Spectroscopic and electrochemical recognition of H

A ruthenium polypyridyl complex 4(PF6) with 2-picolinamide as an anionic N^N bidentate ligand is synthesized and characterized, including single-crystal X-ray analysis. As an effective anion receptor in CH2Cl2, complex 4(PF6) shows selective spectroscopic and electrochemical recognition towards H2PO...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Gong, Zhong-Liang [verfasserIn] Zhong, Yu-Wu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	Ruthenium complexes Electrochemistry Hydrogen bonding interaction Anion sensing Dihydrogen phosphate

Übergeordnetes Werk:	Enthalten in: Journal of organometallic chemistry - New York, NY [u.a.] : Elsevier, 1963, 931
Übergeordnetes Werk:	volume:931

DOI / URN:	10.1016/j.jorganchem.2020.121612

Katalog-ID:	ELV005114829

Internformat


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245	1	0	\|a Spectroscopic and electrochemical recognition of H
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520			\|a A ruthenium polypyridyl complex 4(PF6) with 2-picolinamide as an anionic N^N bidentate ligand is synthesized and characterized, including single-crystal X-ray analysis. As an effective anion receptor in CH2Cl2, complex 4(PF6) shows selective spectroscopic and electrochemical recognition towards H2PO4 − over other anions tested (F−, Cl−, Br−, I−, HP2O7 3−, HSO4 −, AcO− and NO3 −). Job's plot and mass spectral analyses support that an adduct is formed between 4 and H2PO4 − with a 1:2 binding stoichiometry. The absorption spectral titration of 4(PF6) with H2PO4 − yields a global association constant in the order of 108 L2⋅mol−2 and an optical detection limit of 1.4 × 10−6 mol⋅L−1. In response to the presence of H2PO4 −, the Ru(II/III) redox couple of 4(PF6) displays a “two-wave behavior” accompanied by a large negative shift from +0.74 to +0.45 V vs Ag/AgCl. 1H NMR spectral titration analyses suggest that effective hydrogen-bonding interactions are present between 4 and H2PO4 −, which are believed responsible for the observed spectroscopic and electrochemical response of 4(PF6) toward H2PO4 −.
650		4	\|a Ruthenium complexes
650		4	\|a Electrochemistry
650		4	\|a Hydrogen bonding interaction
650		4	\|a Anion sensing
650		4	\|a Dihydrogen phosphate
700	1		\|a Zhong, Yu-Wu \|e verfasserin \|0 (orcid)0000-0003-0712-0374 \|4 aut
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912			\|a GBV_ILN_63
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912			\|a GBV_ILN_73
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912			\|a GBV_ILN_100
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912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2015
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912			\|a GBV_ILN_2021
912			\|a GBV_ILN_2025
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912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2111
912			\|a GBV_ILN_2112
912			\|a GBV_ILN_2113
912			\|a GBV_ILN_2118
912			\|a GBV_ILN_2122
912			\|a GBV_ILN_2129
912			\|a GBV_ILN_2143
912			\|a GBV_ILN_2147
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936	b	k	\|a 35.00 \|j Chemie: Allgemeines
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Indexfelder

author_variant	z l g zlg y w z ywz
matchkey_str	article:18728561:2020----::pcrsoiadlcrceiar
hierarchy_sort_str	2020
bklnumber	35.00
publishDate	2020
allfields	10.1016/j.jorganchem.2020.121612 doi (DE-627)ELV005114829 (ELSEVIER)S0022-328X(20)30515-5 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Gong, Zhong-Liang verfasserin aut Spectroscopic and electrochemical recognition of H 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A ruthenium polypyridyl complex 4(PF6) with 2-picolinamide as an anionic N^N bidentate ligand is synthesized and characterized, including single-crystal X-ray analysis. As an effective anion receptor in CH2Cl2, complex 4(PF6) shows selective spectroscopic and electrochemical recognition towards H2PO4 − over other anions tested (F−, Cl−, Br−, I−, HP2O7 3−, HSO4 −, AcO− and NO3 −). Job's plot and mass spectral analyses support that an adduct is formed between 4 and H2PO4 − with a 1:2 binding stoichiometry. The absorption spectral titration of 4(PF6) with H2PO4 − yields a global association constant in the order of 108 L2⋅mol−2 and an optical detection limit of 1.4 × 10−6 mol⋅L−1. In response to the presence of H2PO4 −, the Ru(II/III) redox couple of 4(PF6) displays a “two-wave behavior” accompanied by a large negative shift from +0.74 to +0.45 V vs Ag/AgCl. 1H NMR spectral titration analyses suggest that effective hydrogen-bonding interactions are present between 4 and H2PO4 −, which are believed responsible for the observed spectroscopic and electrochemical response of 4(PF6) toward H2PO4 −. Ruthenium complexes Electrochemistry Hydrogen bonding interaction Anion sensing Dihydrogen phosphate Zhong, Yu-Wu verfasserin (orcid)0000-0003-0712-0374 aut Enthalten in Journal of organometallic chemistry New York, NY [u.a.] : Elsevier, 1963 931 Online-Ressource (DE-627)302469990 (DE-600)1491530-3 (DE-576)094950318 1872-8561 nnns volume:931 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 931
spelling	10.1016/j.jorganchem.2020.121612 doi (DE-627)ELV005114829 (ELSEVIER)S0022-328X(20)30515-5 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Gong, Zhong-Liang verfasserin aut Spectroscopic and electrochemical recognition of H 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A ruthenium polypyridyl complex 4(PF6) with 2-picolinamide as an anionic N^N bidentate ligand is synthesized and characterized, including single-crystal X-ray analysis. As an effective anion receptor in CH2Cl2, complex 4(PF6) shows selective spectroscopic and electrochemical recognition towards H2PO4 − over other anions tested (F−, Cl−, Br−, I−, HP2O7 3−, HSO4 −, AcO− and NO3 −). Job's plot and mass spectral analyses support that an adduct is formed between 4 and H2PO4 − with a 1:2 binding stoichiometry. The absorption spectral titration of 4(PF6) with H2PO4 − yields a global association constant in the order of 108 L2⋅mol−2 and an optical detection limit of 1.4 × 10−6 mol⋅L−1. In response to the presence of H2PO4 −, the Ru(II/III) redox couple of 4(PF6) displays a “two-wave behavior” accompanied by a large negative shift from +0.74 to +0.45 V vs Ag/AgCl. 1H NMR spectral titration analyses suggest that effective hydrogen-bonding interactions are present between 4 and H2PO4 −, which are believed responsible for the observed spectroscopic and electrochemical response of 4(PF6) toward H2PO4 −. Ruthenium complexes Electrochemistry Hydrogen bonding interaction Anion sensing Dihydrogen phosphate Zhong, Yu-Wu verfasserin (orcid)0000-0003-0712-0374 aut Enthalten in Journal of organometallic chemistry New York, NY [u.a.] : Elsevier, 1963 931 Online-Ressource (DE-627)302469990 (DE-600)1491530-3 (DE-576)094950318 1872-8561 nnns volume:931 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 931
allfields_unstemmed	10.1016/j.jorganchem.2020.121612 doi (DE-627)ELV005114829 (ELSEVIER)S0022-328X(20)30515-5 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Gong, Zhong-Liang verfasserin aut Spectroscopic and electrochemical recognition of H 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A ruthenium polypyridyl complex 4(PF6) with 2-picolinamide as an anionic N^N bidentate ligand is synthesized and characterized, including single-crystal X-ray analysis. As an effective anion receptor in CH2Cl2, complex 4(PF6) shows selective spectroscopic and electrochemical recognition towards H2PO4 − over other anions tested (F−, Cl−, Br−, I−, HP2O7 3−, HSO4 −, AcO− and NO3 −). Job's plot and mass spectral analyses support that an adduct is formed between 4 and H2PO4 − with a 1:2 binding stoichiometry. The absorption spectral titration of 4(PF6) with H2PO4 − yields a global association constant in the order of 108 L2⋅mol−2 and an optical detection limit of 1.4 × 10−6 mol⋅L−1. In response to the presence of H2PO4 −, the Ru(II/III) redox couple of 4(PF6) displays a “two-wave behavior” accompanied by a large negative shift from +0.74 to +0.45 V vs Ag/AgCl. 1H NMR spectral titration analyses suggest that effective hydrogen-bonding interactions are present between 4 and H2PO4 −, which are believed responsible for the observed spectroscopic and electrochemical response of 4(PF6) toward H2PO4 −. Ruthenium complexes Electrochemistry Hydrogen bonding interaction Anion sensing Dihydrogen phosphate Zhong, Yu-Wu verfasserin (orcid)0000-0003-0712-0374 aut Enthalten in Journal of organometallic chemistry New York, NY [u.a.] : Elsevier, 1963 931 Online-Ressource (DE-627)302469990 (DE-600)1491530-3 (DE-576)094950318 1872-8561 nnns volume:931 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 931
allfieldsGer	10.1016/j.jorganchem.2020.121612 doi (DE-627)ELV005114829 (ELSEVIER)S0022-328X(20)30515-5 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Gong, Zhong-Liang verfasserin aut Spectroscopic and electrochemical recognition of H 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A ruthenium polypyridyl complex 4(PF6) with 2-picolinamide as an anionic N^N bidentate ligand is synthesized and characterized, including single-crystal X-ray analysis. As an effective anion receptor in CH2Cl2, complex 4(PF6) shows selective spectroscopic and electrochemical recognition towards H2PO4 − over other anions tested (F−, Cl−, Br−, I−, HP2O7 3−, HSO4 −, AcO− and NO3 −). Job's plot and mass spectral analyses support that an adduct is formed between 4 and H2PO4 − with a 1:2 binding stoichiometry. The absorption spectral titration of 4(PF6) with H2PO4 − yields a global association constant in the order of 108 L2⋅mol−2 and an optical detection limit of 1.4 × 10−6 mol⋅L−1. In response to the presence of H2PO4 −, the Ru(II/III) redox couple of 4(PF6) displays a “two-wave behavior” accompanied by a large negative shift from +0.74 to +0.45 V vs Ag/AgCl. 1H NMR spectral titration analyses suggest that effective hydrogen-bonding interactions are present between 4 and H2PO4 −, which are believed responsible for the observed spectroscopic and electrochemical response of 4(PF6) toward H2PO4 −. Ruthenium complexes Electrochemistry Hydrogen bonding interaction Anion sensing Dihydrogen phosphate Zhong, Yu-Wu verfasserin (orcid)0000-0003-0712-0374 aut Enthalten in Journal of organometallic chemistry New York, NY [u.a.] : Elsevier, 1963 931 Online-Ressource (DE-627)302469990 (DE-600)1491530-3 (DE-576)094950318 1872-8561 nnns volume:931 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 931
allfieldsSound	10.1016/j.jorganchem.2020.121612 doi (DE-627)ELV005114829 (ELSEVIER)S0022-328X(20)30515-5 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Gong, Zhong-Liang verfasserin aut Spectroscopic and electrochemical recognition of H 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A ruthenium polypyridyl complex 4(PF6) with 2-picolinamide as an anionic N^N bidentate ligand is synthesized and characterized, including single-crystal X-ray analysis. As an effective anion receptor in CH2Cl2, complex 4(PF6) shows selective spectroscopic and electrochemical recognition towards H2PO4 − over other anions tested (F−, Cl−, Br−, I−, HP2O7 3−, HSO4 −, AcO− and NO3 −). Job's plot and mass spectral analyses support that an adduct is formed between 4 and H2PO4 − with a 1:2 binding stoichiometry. The absorption spectral titration of 4(PF6) with H2PO4 − yields a global association constant in the order of 108 L2⋅mol−2 and an optical detection limit of 1.4 × 10−6 mol⋅L−1. In response to the presence of H2PO4 −, the Ru(II/III) redox couple of 4(PF6) displays a “two-wave behavior” accompanied by a large negative shift from +0.74 to +0.45 V vs Ag/AgCl. 1H NMR spectral titration analyses suggest that effective hydrogen-bonding interactions are present between 4 and H2PO4 −, which are believed responsible for the observed spectroscopic and electrochemical response of 4(PF6) toward H2PO4 −. Ruthenium complexes Electrochemistry Hydrogen bonding interaction Anion sensing Dihydrogen phosphate Zhong, Yu-Wu verfasserin (orcid)0000-0003-0712-0374 aut Enthalten in Journal of organometallic chemistry New York, NY [u.a.] : Elsevier, 1963 931 Online-Ressource (DE-627)302469990 (DE-600)1491530-3 (DE-576)094950318 1872-8561 nnns volume:931 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 931
language	English
source	Enthalten in Journal of organometallic chemistry 931 volume:931
sourceStr	Enthalten in Journal of organometallic chemistry 931 volume:931
format_phy_str_mv	Article
bklname	Chemie: Allgemeines
institution	findex.gbv.de
topic_facet	Ruthenium complexes Electrochemistry Hydrogen bonding interaction Anion sensing Dihydrogen phosphate
dewey-raw	540
isfreeaccess_bool	false
container_title	Journal of organometallic chemistry
authorswithroles_txt_mv	Gong, Zhong-Liang @@aut@@ Zhong, Yu-Wu @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
hierarchy_top_id	302469990
dewey-sort	3540
id	ELV005114829
language_de	englisch
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author	Gong, Zhong-Liang
spellingShingle	Gong, Zhong-Liang ddc 540 bkl 35.00 misc Ruthenium complexes misc Electrochemistry misc Hydrogen bonding interaction misc Anion sensing misc Dihydrogen phosphate Spectroscopic and electrochemical recognition of H
authorStr	Gong, Zhong-Liang
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topic_title	540 DE-600 35.00 bkl Spectroscopic and electrochemical recognition of H Ruthenium complexes Electrochemistry Hydrogen bonding interaction Anion sensing Dihydrogen phosphate
topic	ddc 540 bkl 35.00 misc Ruthenium complexes misc Electrochemistry misc Hydrogen bonding interaction misc Anion sensing misc Dihydrogen phosphate
topic_unstemmed	ddc 540 bkl 35.00 misc Ruthenium complexes misc Electrochemistry misc Hydrogen bonding interaction misc Anion sensing misc Dihydrogen phosphate
topic_browse	ddc 540 bkl 35.00 misc Ruthenium complexes misc Electrochemistry misc Hydrogen bonding interaction misc Anion sensing misc Dihydrogen phosphate
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title	Spectroscopic and electrochemical recognition of H
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title_full	Spectroscopic and electrochemical recognition of H
author_sort	Gong, Zhong-Liang
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title_sort	spectroscopic and electrochemical recognition of h
title_auth	Spectroscopic and electrochemical recognition of H
abstract	A ruthenium polypyridyl complex 4(PF6) with 2-picolinamide as an anionic N^N bidentate ligand is synthesized and characterized, including single-crystal X-ray analysis. As an effective anion receptor in CH2Cl2, complex 4(PF6) shows selective spectroscopic and electrochemical recognition towards H2PO4 − over other anions tested (F−, Cl−, Br−, I−, HP2O7 3−, HSO4 −, AcO− and NO3 −). Job's plot and mass spectral analyses support that an adduct is formed between 4 and H2PO4 − with a 1:2 binding stoichiometry. The absorption spectral titration of 4(PF6) with H2PO4 − yields a global association constant in the order of 108 L2⋅mol−2 and an optical detection limit of 1.4 × 10−6 mol⋅L−1. In response to the presence of H2PO4 −, the Ru(II/III) redox couple of 4(PF6) displays a “two-wave behavior” accompanied by a large negative shift from +0.74 to +0.45 V vs Ag/AgCl. 1H NMR spectral titration analyses suggest that effective hydrogen-bonding interactions are present between 4 and H2PO4 −, which are believed responsible for the observed spectroscopic and electrochemical response of 4(PF6) toward H2PO4 −.
abstractGer	A ruthenium polypyridyl complex 4(PF6) with 2-picolinamide as an anionic N^N bidentate ligand is synthesized and characterized, including single-crystal X-ray analysis. As an effective anion receptor in CH2Cl2, complex 4(PF6) shows selective spectroscopic and electrochemical recognition towards H2PO4 − over other anions tested (F−, Cl−, Br−, I−, HP2O7 3−, HSO4 −, AcO− and NO3 −). Job's plot and mass spectral analyses support that an adduct is formed between 4 and H2PO4 − with a 1:2 binding stoichiometry. The absorption spectral titration of 4(PF6) with H2PO4 − yields a global association constant in the order of 108 L2⋅mol−2 and an optical detection limit of 1.4 × 10−6 mol⋅L−1. In response to the presence of H2PO4 −, the Ru(II/III) redox couple of 4(PF6) displays a “two-wave behavior” accompanied by a large negative shift from +0.74 to +0.45 V vs Ag/AgCl. 1H NMR spectral titration analyses suggest that effective hydrogen-bonding interactions are present between 4 and H2PO4 −, which are believed responsible for the observed spectroscopic and electrochemical response of 4(PF6) toward H2PO4 −.
abstract_unstemmed	A ruthenium polypyridyl complex 4(PF6) with 2-picolinamide as an anionic N^N bidentate ligand is synthesized and characterized, including single-crystal X-ray analysis. As an effective anion receptor in CH2Cl2, complex 4(PF6) shows selective spectroscopic and electrochemical recognition towards H2PO4 − over other anions tested (F−, Cl−, Br−, I−, HP2O7 3−, HSO4 −, AcO− and NO3 −). Job's plot and mass spectral analyses support that an adduct is formed between 4 and H2PO4 − with a 1:2 binding stoichiometry. The absorption spectral titration of 4(PF6) with H2PO4 − yields a global association constant in the order of 108 L2⋅mol−2 and an optical detection limit of 1.4 × 10−6 mol⋅L−1. In response to the presence of H2PO4 −, the Ru(II/III) redox couple of 4(PF6) displays a “two-wave behavior” accompanied by a large negative shift from +0.74 to +0.45 V vs Ag/AgCl. 1H NMR spectral titration analyses suggest that effective hydrogen-bonding interactions are present between 4 and H2PO4 −, which are believed responsible for the observed spectroscopic and electrochemical response of 4(PF6) toward H2PO4 −.
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title_short	Spectroscopic and electrochemical recognition of H
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doi_str	10.1016/j.jorganchem.2020.121612
up_date	2024-07-06T16:51:58.208Z
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Spectroscopic and electrochemical recognition of H

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