Interaction of ferrocene moieties across a square Pt4 unit: synthesis, characterization, and electrochemical properties of carboxylate-bridged bimetallic Pt4Fe(n) (n = 2, 3, and 4) complexes.
Shinji Tanaka
1
,
Publication type: Journal Article
Publication date: 2011-10-18
scimago Q1
wos Q1
SJR: 0.958
CiteScore: 7.4
Impact factor: 4.7
ISSN: 00201669, 1520510X
PubMed ID:
22007623
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
Four types of square Pt(4) complexes bearing two or more ferrocenecarboxylate ligands--[Pt(4)(μ-OCOCH(3))(4)(μ-OCOC(5)H(4)FeCp)(4)] (6); [Pt(4)(μ-OCOCH(3))(4)(μ-OCOC(5)H(4)FeCp)(3)(μ-ArNCHNAr)], where ArNCHNAr = N,N'-diarylformamidinate) (7); trans-[Pt(4)(μ-OCOCH(3))(4)(μ-OCOC(5)H(4)FeCp)(2)(μ-ArNCHNAr)(2)] (8); and cis-[Pt(4)(μ-OCOCH(3))(4)(μ-OCOC(5)H(4)FeCp)(2)(κ(4)-N(4)-DArBp)(2)], where DArBp = 1,3-bis(benzamidinato)propane (9)--were successfully prepared via reactions of [FeCp(η(5)-C(5)H(4)COOH)] (5) with the corresponding square Pt(4) complexes, which have labile in-plane acetate ligands. The newly prepared Pt(4) complexes (6-9) with ferrocene moieties as pendants were characterized by nuclear magnetic resonance (NMR) spectroscopy, mass spectroscopy (MS), combustion analyses, and single-crystal X-ray analysis for 6, some of the trans-Pt(4)Fe(2)8, and the cis-Pt(4)Fe(2) complexes 9. Weak interactions between two ferrocene moieties across the Pt(4) core, providing ΔE(1/2) values and K(c) constants, were revealed electrochemically, using cyclic and differential-pulse voltammetry in dichloromethane containing [(n)Bu(4)N][BAr(F)(4)] (where Ar(F) = C(6)H(3)(CF(3))(2)-3,5), which was a better supporting electrolyte for such an interaction than [(n)Bu(4)N][PF(6)].
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Tanaka S., Mashima K. Interaction of ferrocene moieties across a square Pt4 unit: synthesis, characterization, and electrochemical properties of carboxylate-bridged bimetallic Pt4Fe(n) (n = 2, 3, and 4) complexes. // Inorganic Chemistry. 2011. Vol. 50. No. 22. pp. 11384-11393.
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Tanaka S., Mashima K. Interaction of ferrocene moieties across a square Pt4 unit: synthesis, characterization, and electrochemical properties of carboxylate-bridged bimetallic Pt4Fe(n) (n = 2, 3, and 4) complexes. // Inorganic Chemistry. 2011. Vol. 50. No. 22. pp. 11384-11393.
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RIS
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TY - JOUR
DO - 10.1021/ic201012m
UR - https://doi.org/10.1021/ic201012m
TI - Interaction of ferrocene moieties across a square Pt4 unit: synthesis, characterization, and electrochemical properties of carboxylate-bridged bimetallic Pt4Fe(n) (n = 2, 3, and 4) complexes.
T2 - Inorganic Chemistry
AU - Tanaka, Shinji
AU - Mashima, Kazushi
PY - 2011
DA - 2011/10/18
PB - American Chemical Society (ACS)
SP - 11384-11393
IS - 22
VL - 50
PMID - 22007623
SN - 0020-1669
SN - 1520-510X
ER -
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@article{2011_Tanaka,
author = {Shinji Tanaka and Kazushi Mashima},
title = {Interaction of ferrocene moieties across a square Pt4 unit: synthesis, characterization, and electrochemical properties of carboxylate-bridged bimetallic Pt4Fe(n) (n = 2, 3, and 4) complexes.},
journal = {Inorganic Chemistry},
year = {2011},
volume = {50},
publisher = {American Chemical Society (ACS)},
month = {oct},
url = {https://doi.org/10.1021/ic201012m},
number = {22},
pages = {11384--11393},
doi = {10.1021/ic201012m}
}
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Tanaka, Shinji, and Kazushi Mashima. “Interaction of ferrocene moieties across a square Pt4 unit: synthesis, characterization, and electrochemical properties of carboxylate-bridged bimetallic Pt4Fe(n) (n = 2, 3, and 4) complexes..” Inorganic Chemistry, vol. 50, no. 22, Oct. 2011, pp. 11384-11393. https://doi.org/10.1021/ic201012m.