Performance of the RI and RIJCOSX approximations in the topological analysis of the electron density
Abstract The performance of the Møller–Plesset (MP2) method in its resolution of the identity (RI-MP2), and the chain of spheres exchange (RIJCOSX-MP2) variants within the Quantum Theory of Atoms in Molecules (QTAIM) wavefunction analyses is examined. We have obtained QTAIM descriptors at bond criti...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Guevara-Vela, José Manuel [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag Berlin Heidelberg 2017 |
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| Übergeordnetes Werk: |
Enthalten in: Theoretical chemistry accounts - Berlin : Springer, 1962, 136(2017), 5 vom: 12. Apr. |
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| Übergeordnetes Werk: |
volume:136 ; year:2017 ; number:5 ; day:12 ; month:04 |
| Links: |
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| DOI / URN: |
10.1007/s00214-017-2084-0 |
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| Katalog-ID: |
SPR002076705 |
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| 100 | 1 | |a Guevara-Vela, José Manuel |e verfasserin |0 (orcid)0000-0003-1782-6792 |4 aut | |
| 245 | 1 | 0 | |a Performance of the RI and RIJCOSX approximations in the topological analysis of the electron density |
| 264 | 1 | |c 2017 | |
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| 520 | |a Abstract The performance of the Møller–Plesset (MP2) method in its resolution of the identity (RI-MP2), and the chain of spheres exchange (RIJCOSX-MP2) variants within the Quantum Theory of Atoms in Molecules (QTAIM) wavefunction analyses is examined. We have obtained QTAIM descriptors at bond critical points for a series of small molecules and water clusters of different sizes. We also considered integrated properties, like QTAIM atomic charges or localization and delocalization indices. The performance of RI methods with respect to the plain MP2 benchmark results is excellent, with mean deviations for all the properties considered below 0.15%. However, in systems where electron delocalization plays a more important role, we found differences up to 5% (e.g. %$\hbox {C}_6\hbox {H}_6%$) from a suitable reference. The account of RIJCOSX-HF results shows that the RIJCOSX approximation works better when electron correlation is included. Finally, a topological analysis of the electron density on the endofullerene complex %$\hbox {H}_2\hbox {OC}_{70}%$ is reported. Overall, herein we suggest the possibility to carry out the QTAIM topological analysis using correlated wavefunctions in large molecules and molecular clusters, thereby extending the applicability of this important methodology. | ||
| 650 | 4 | |a QTAIM |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Fullerene |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Endofullerene |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Water clusters |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Rocha-Rinza, Tomás |4 aut | |
| 700 | 1 | |a Pendás, Ángel Martín |4 aut | |
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10.1007/s00214-017-2084-0 doi (DE-627)SPR002076705 (SPR)s00214-017-2084-0-e DE-627 ger DE-627 rakwb eng Guevara-Vela, José Manuel verfasserin (orcid)0000-0003-1782-6792 aut Performance of the RI and RIJCOSX approximations in the topological analysis of the electron density 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2017 Abstract The performance of the Møller–Plesset (MP2) method in its resolution of the identity (RI-MP2), and the chain of spheres exchange (RIJCOSX-MP2) variants within the Quantum Theory of Atoms in Molecules (QTAIM) wavefunction analyses is examined. We have obtained QTAIM descriptors at bond critical points for a series of small molecules and water clusters of different sizes. We also considered integrated properties, like QTAIM atomic charges or localization and delocalization indices. The performance of RI methods with respect to the plain MP2 benchmark results is excellent, with mean deviations for all the properties considered below 0.15%. However, in systems where electron delocalization plays a more important role, we found differences up to 5% (e.g. %$\hbox {C}_6\hbox {H}_6%$) from a suitable reference. The account of RIJCOSX-HF results shows that the RIJCOSX approximation works better when electron correlation is included. Finally, a topological analysis of the electron density on the endofullerene complex %$\hbox {H}_2\hbox {OC}_{70}%$ is reported. Overall, herein we suggest the possibility to carry out the QTAIM topological analysis using correlated wavefunctions in large molecules and molecular clusters, thereby extending the applicability of this important methodology. QTAIM (dpeaa)DE-He213 Fullerene (dpeaa)DE-He213 Endofullerene (dpeaa)DE-He213 Water clusters (dpeaa)DE-He213 Rocha-Rinza, Tomás aut Pendás, Ángel Martín aut Enthalten in Theoretical chemistry accounts Berlin : Springer, 1962 136(2017), 5 vom: 12. Apr. (DE-627)25490971X (DE-600)1463180-5 1432-2234 nnns volume:136 year:2017 number:5 day:12 month:04 https://dx.doi.org/10.1007/s00214-017-2084-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 136 2017 5 12 04 |
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10.1007/s00214-017-2084-0 doi (DE-627)SPR002076705 (SPR)s00214-017-2084-0-e DE-627 ger DE-627 rakwb eng Guevara-Vela, José Manuel verfasserin (orcid)0000-0003-1782-6792 aut Performance of the RI and RIJCOSX approximations in the topological analysis of the electron density 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2017 Abstract The performance of the Møller–Plesset (MP2) method in its resolution of the identity (RI-MP2), and the chain of spheres exchange (RIJCOSX-MP2) variants within the Quantum Theory of Atoms in Molecules (QTAIM) wavefunction analyses is examined. We have obtained QTAIM descriptors at bond critical points for a series of small molecules and water clusters of different sizes. We also considered integrated properties, like QTAIM atomic charges or localization and delocalization indices. The performance of RI methods with respect to the plain MP2 benchmark results is excellent, with mean deviations for all the properties considered below 0.15%. However, in systems where electron delocalization plays a more important role, we found differences up to 5% (e.g. %$\hbox {C}_6\hbox {H}_6%$) from a suitable reference. The account of RIJCOSX-HF results shows that the RIJCOSX approximation works better when electron correlation is included. Finally, a topological analysis of the electron density on the endofullerene complex %$\hbox {H}_2\hbox {OC}_{70}%$ is reported. Overall, herein we suggest the possibility to carry out the QTAIM topological analysis using correlated wavefunctions in large molecules and molecular clusters, thereby extending the applicability of this important methodology. QTAIM (dpeaa)DE-He213 Fullerene (dpeaa)DE-He213 Endofullerene (dpeaa)DE-He213 Water clusters (dpeaa)DE-He213 Rocha-Rinza, Tomás aut Pendás, Ángel Martín aut Enthalten in Theoretical chemistry accounts Berlin : Springer, 1962 136(2017), 5 vom: 12. Apr. (DE-627)25490971X (DE-600)1463180-5 1432-2234 nnns volume:136 year:2017 number:5 day:12 month:04 https://dx.doi.org/10.1007/s00214-017-2084-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 136 2017 5 12 04 |
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10.1007/s00214-017-2084-0 doi (DE-627)SPR002076705 (SPR)s00214-017-2084-0-e DE-627 ger DE-627 rakwb eng Guevara-Vela, José Manuel verfasserin (orcid)0000-0003-1782-6792 aut Performance of the RI and RIJCOSX approximations in the topological analysis of the electron density 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2017 Abstract The performance of the Møller–Plesset (MP2) method in its resolution of the identity (RI-MP2), and the chain of spheres exchange (RIJCOSX-MP2) variants within the Quantum Theory of Atoms in Molecules (QTAIM) wavefunction analyses is examined. We have obtained QTAIM descriptors at bond critical points for a series of small molecules and water clusters of different sizes. We also considered integrated properties, like QTAIM atomic charges or localization and delocalization indices. The performance of RI methods with respect to the plain MP2 benchmark results is excellent, with mean deviations for all the properties considered below 0.15%. However, in systems where electron delocalization plays a more important role, we found differences up to 5% (e.g. %$\hbox {C}_6\hbox {H}_6%$) from a suitable reference. The account of RIJCOSX-HF results shows that the RIJCOSX approximation works better when electron correlation is included. Finally, a topological analysis of the electron density on the endofullerene complex %$\hbox {H}_2\hbox {OC}_{70}%$ is reported. Overall, herein we suggest the possibility to carry out the QTAIM topological analysis using correlated wavefunctions in large molecules and molecular clusters, thereby extending the applicability of this important methodology. QTAIM (dpeaa)DE-He213 Fullerene (dpeaa)DE-He213 Endofullerene (dpeaa)DE-He213 Water clusters (dpeaa)DE-He213 Rocha-Rinza, Tomás aut Pendás, Ángel Martín aut Enthalten in Theoretical chemistry accounts Berlin : Springer, 1962 136(2017), 5 vom: 12. Apr. (DE-627)25490971X (DE-600)1463180-5 1432-2234 nnns volume:136 year:2017 number:5 day:12 month:04 https://dx.doi.org/10.1007/s00214-017-2084-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 136 2017 5 12 04 |
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10.1007/s00214-017-2084-0 doi (DE-627)SPR002076705 (SPR)s00214-017-2084-0-e DE-627 ger DE-627 rakwb eng Guevara-Vela, José Manuel verfasserin (orcid)0000-0003-1782-6792 aut Performance of the RI and RIJCOSX approximations in the topological analysis of the electron density 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2017 Abstract The performance of the Møller–Plesset (MP2) method in its resolution of the identity (RI-MP2), and the chain of spheres exchange (RIJCOSX-MP2) variants within the Quantum Theory of Atoms in Molecules (QTAIM) wavefunction analyses is examined. We have obtained QTAIM descriptors at bond critical points for a series of small molecules and water clusters of different sizes. We also considered integrated properties, like QTAIM atomic charges or localization and delocalization indices. The performance of RI methods with respect to the plain MP2 benchmark results is excellent, with mean deviations for all the properties considered below 0.15%. However, in systems where electron delocalization plays a more important role, we found differences up to 5% (e.g. %$\hbox {C}_6\hbox {H}_6%$) from a suitable reference. The account of RIJCOSX-HF results shows that the RIJCOSX approximation works better when electron correlation is included. Finally, a topological analysis of the electron density on the endofullerene complex %$\hbox {H}_2\hbox {OC}_{70}%$ is reported. Overall, herein we suggest the possibility to carry out the QTAIM topological analysis using correlated wavefunctions in large molecules and molecular clusters, thereby extending the applicability of this important methodology. QTAIM (dpeaa)DE-He213 Fullerene (dpeaa)DE-He213 Endofullerene (dpeaa)DE-He213 Water clusters (dpeaa)DE-He213 Rocha-Rinza, Tomás aut Pendás, Ángel Martín aut Enthalten in Theoretical chemistry accounts Berlin : Springer, 1962 136(2017), 5 vom: 12. Apr. (DE-627)25490971X (DE-600)1463180-5 1432-2234 nnns volume:136 year:2017 number:5 day:12 month:04 https://dx.doi.org/10.1007/s00214-017-2084-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 136 2017 5 12 04 |
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10.1007/s00214-017-2084-0 doi (DE-627)SPR002076705 (SPR)s00214-017-2084-0-e DE-627 ger DE-627 rakwb eng Guevara-Vela, José Manuel verfasserin (orcid)0000-0003-1782-6792 aut Performance of the RI and RIJCOSX approximations in the topological analysis of the electron density 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2017 Abstract The performance of the Møller–Plesset (MP2) method in its resolution of the identity (RI-MP2), and the chain of spheres exchange (RIJCOSX-MP2) variants within the Quantum Theory of Atoms in Molecules (QTAIM) wavefunction analyses is examined. We have obtained QTAIM descriptors at bond critical points for a series of small molecules and water clusters of different sizes. We also considered integrated properties, like QTAIM atomic charges or localization and delocalization indices. The performance of RI methods with respect to the plain MP2 benchmark results is excellent, with mean deviations for all the properties considered below 0.15%. However, in systems where electron delocalization plays a more important role, we found differences up to 5% (e.g. %$\hbox {C}_6\hbox {H}_6%$) from a suitable reference. The account of RIJCOSX-HF results shows that the RIJCOSX approximation works better when electron correlation is included. Finally, a topological analysis of the electron density on the endofullerene complex %$\hbox {H}_2\hbox {OC}_{70}%$ is reported. Overall, herein we suggest the possibility to carry out the QTAIM topological analysis using correlated wavefunctions in large molecules and molecular clusters, thereby extending the applicability of this important methodology. QTAIM (dpeaa)DE-He213 Fullerene (dpeaa)DE-He213 Endofullerene (dpeaa)DE-He213 Water clusters (dpeaa)DE-He213 Rocha-Rinza, Tomás aut Pendás, Ángel Martín aut Enthalten in Theoretical chemistry accounts Berlin : Springer, 1962 136(2017), 5 vom: 12. Apr. (DE-627)25490971X (DE-600)1463180-5 1432-2234 nnns volume:136 year:2017 number:5 day:12 month:04 https://dx.doi.org/10.1007/s00214-017-2084-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 136 2017 5 12 04 |
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Enthalten in Theoretical chemistry accounts 136(2017), 5 vom: 12. Apr. volume:136 year:2017 number:5 day:12 month:04 |
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Guevara-Vela, José Manuel @@aut@@ Rocha-Rinza, Tomás @@aut@@ Pendás, Ángel Martín @@aut@@ |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR002076705</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230519154737.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">201001s2017 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s00214-017-2084-0</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR002076705</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s00214-017-2084-0-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Guevara-Vela, José Manuel</subfield><subfield code="e">verfasserin</subfield><subfield code="0">(orcid)0000-0003-1782-6792</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Performance of the RI and RIJCOSX approximations in the topological analysis of the electron density</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2017</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© Springer-Verlag Berlin Heidelberg 2017</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract The performance of the Møller–Plesset (MP2) method in its resolution of the identity (RI-MP2), and the chain of spheres exchange (RIJCOSX-MP2) variants within the Quantum Theory of Atoms in Molecules (QTAIM) wavefunction analyses is examined. We have obtained QTAIM descriptors at bond critical points for a series of small molecules and water clusters of different sizes. We also considered integrated properties, like QTAIM atomic charges or localization and delocalization indices. The performance of RI methods with respect to the plain MP2 benchmark results is excellent, with mean deviations for all the properties considered below 0.15%. However, in systems where electron delocalization plays a more important role, we found differences up to 5% (e.g. %$\hbox {C}_6\hbox {H}_6%$) from a suitable reference. The account of RIJCOSX-HF results shows that the RIJCOSX approximation works better when electron correlation is included. Finally, a topological analysis of the electron density on the endofullerene complex %$\hbox {H}_2\hbox {OC}_{70}%$ is reported. 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Guevara-Vela, José Manuel |
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Performance of the RI and RIJCOSX approximations in the topological analysis of the electron density QTAIM (dpeaa)DE-He213 Fullerene (dpeaa)DE-He213 Endofullerene (dpeaa)DE-He213 Water clusters (dpeaa)DE-He213 |
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Performance of the RI and RIJCOSX approximations in the topological analysis of the electron density |
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performance of the ri and rijcosx approximations in the topological analysis of the electron density |
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Performance of the RI and RIJCOSX approximations in the topological analysis of the electron density |
| abstract |
Abstract The performance of the Møller–Plesset (MP2) method in its resolution of the identity (RI-MP2), and the chain of spheres exchange (RIJCOSX-MP2) variants within the Quantum Theory of Atoms in Molecules (QTAIM) wavefunction analyses is examined. We have obtained QTAIM descriptors at bond critical points for a series of small molecules and water clusters of different sizes. We also considered integrated properties, like QTAIM atomic charges or localization and delocalization indices. The performance of RI methods with respect to the plain MP2 benchmark results is excellent, with mean deviations for all the properties considered below 0.15%. However, in systems where electron delocalization plays a more important role, we found differences up to 5% (e.g. %$\hbox {C}_6\hbox {H}_6%$) from a suitable reference. The account of RIJCOSX-HF results shows that the RIJCOSX approximation works better when electron correlation is included. Finally, a topological analysis of the electron density on the endofullerene complex %$\hbox {H}_2\hbox {OC}_{70}%$ is reported. Overall, herein we suggest the possibility to carry out the QTAIM topological analysis using correlated wavefunctions in large molecules and molecular clusters, thereby extending the applicability of this important methodology. © Springer-Verlag Berlin Heidelberg 2017 |
| abstractGer |
Abstract The performance of the Møller–Plesset (MP2) method in its resolution of the identity (RI-MP2), and the chain of spheres exchange (RIJCOSX-MP2) variants within the Quantum Theory of Atoms in Molecules (QTAIM) wavefunction analyses is examined. We have obtained QTAIM descriptors at bond critical points for a series of small molecules and water clusters of different sizes. We also considered integrated properties, like QTAIM atomic charges or localization and delocalization indices. The performance of RI methods with respect to the plain MP2 benchmark results is excellent, with mean deviations for all the properties considered below 0.15%. However, in systems where electron delocalization plays a more important role, we found differences up to 5% (e.g. %$\hbox {C}_6\hbox {H}_6%$) from a suitable reference. The account of RIJCOSX-HF results shows that the RIJCOSX approximation works better when electron correlation is included. Finally, a topological analysis of the electron density on the endofullerene complex %$\hbox {H}_2\hbox {OC}_{70}%$ is reported. Overall, herein we suggest the possibility to carry out the QTAIM topological analysis using correlated wavefunctions in large molecules and molecular clusters, thereby extending the applicability of this important methodology. © Springer-Verlag Berlin Heidelberg 2017 |
| abstract_unstemmed |
Abstract The performance of the Møller–Plesset (MP2) method in its resolution of the identity (RI-MP2), and the chain of spheres exchange (RIJCOSX-MP2) variants within the Quantum Theory of Atoms in Molecules (QTAIM) wavefunction analyses is examined. We have obtained QTAIM descriptors at bond critical points for a series of small molecules and water clusters of different sizes. We also considered integrated properties, like QTAIM atomic charges or localization and delocalization indices. The performance of RI methods with respect to the plain MP2 benchmark results is excellent, with mean deviations for all the properties considered below 0.15%. However, in systems where electron delocalization plays a more important role, we found differences up to 5% (e.g. %$\hbox {C}_6\hbox {H}_6%$) from a suitable reference. The account of RIJCOSX-HF results shows that the RIJCOSX approximation works better when electron correlation is included. Finally, a topological analysis of the electron density on the endofullerene complex %$\hbox {H}_2\hbox {OC}_{70}%$ is reported. Overall, herein we suggest the possibility to carry out the QTAIM topological analysis using correlated wavefunctions in large molecules and molecular clusters, thereby extending the applicability of this important methodology. © Springer-Verlag Berlin Heidelberg 2017 |
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Performance of the RI and RIJCOSX approximations in the topological analysis of the electron density |
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https://dx.doi.org/10.1007/s00214-017-2084-0 |
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Rocha-Rinza, Tomás Pendás, Ángel Martín |
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10.1007/s00214-017-2084-0 |
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| score |
7.3993883 |