Antiferromagnetic complexes with metal-metal bonds XXVI. Synthesis, molecular structure and magnetic properties of mixed-metal triangular clusters, Cp2Cr2(μ-SR)(μ3-S)2FeCp (R = CMe3 or Ph) and linear mixed-metal chain CpCr(μ-SPh)3Fe(μ-SPh)3CrCp
S.E. Nefedov
1
,
G Sh Gasanov
1
,
V. M. Novotortsev
1
,
A. I. Yanovsky
2
,
O.G Ellert
1
,
Yu. T. Struchkov
2
,
A. A. Pasynskii
1
,
Publication type: Journal Article
Publication date: 1993-01-01
scimago Q3
wos Q2
SJR: 0.385
CiteScore: 4.1
Impact factor: 2.4
ISSN: 0022328X, 18728561
Materials Chemistry
Organic Chemistry
Biochemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
Abstract The antiferromagnetic triangular cluster Cp 2 Cr 2 (μ-SCMe 3 )(μ 3 -S) 2 FeCp ( II ) ( - 2 J = 520 cm −1 ) with a strongly bonded Cr 2 Fe metal core (CrCr 2.650(3), CrFe 2.666(3) and 2.675(2) A) was obtained by prolonged photochemical reaction of Cp 2 Cr 2 (μ-SCMe 3 ) 2 (μ-S) ( I ) and Cp 2 Fe 2 (CO) 4 in THF. It was shown that thermal reaction between complex I and Cp 2 Fe 2 (CO) 2 (μ-SPh) 2 yields two clusters, diamagnetic triangular Cp 2 Cr 2 (μ-SPh)(μ 3 -S) 2 FeCp ( III ) and antiferromagnetic metal chain CpCr(μ-SPh) 3 Fe(μ-SPh) 3 CrCp ( IV ) (μ eff . 5.29 (296 K) - 3.95 (77 K) μ B ). Complex III as well as II involves the strongly bonded metal core Cr 2 Fe (CrCr 2.637(3), CrFe 2.644(3) and 2.672(3) A), whereas the FeCr bonds in the linear chain of IV are considerably elongated (up to 2.996(3) and 2.969(3) A), which is in agreement with their reduced bond order (equal to 1/2).
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Eremenko I. L. et al. Antiferromagnetic complexes with metal-metal bonds XXVI. Synthesis, molecular structure and magnetic properties of mixed-metal triangular clusters, Cp2Cr2(μ-SR)(μ3-S)2FeCp (R = CMe3 or Ph) and linear mixed-metal chain CpCr(μ-SPh)3Fe(μ-SPh)3CrCp // Journal of Organometallic Chemistry. 1993. Vol. 443. No. 1. pp. 101-105.
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Nefedov S., Gasanov G. S., Novotortsev V. M., Yanovsky A. I., Ellert O., Struchkov Y. T., Pasynskii A. A., Eremenko I. L. Antiferromagnetic complexes with metal-metal bonds XXVI. Synthesis, molecular structure and magnetic properties of mixed-metal triangular clusters, Cp2Cr2(μ-SR)(μ3-S)2FeCp (R = CMe3 or Ph) and linear mixed-metal chain CpCr(μ-SPh)3Fe(μ-SPh)3CrCp // Journal of Organometallic Chemistry. 1993. Vol. 443. No. 1. pp. 101-105.
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TY - JOUR
DO - 10.1016/0022-328X(93)80015-4
UR - https://doi.org/10.1016/0022-328X(93)80015-4
TI - Antiferromagnetic complexes with metal-metal bonds XXVI. Synthesis, molecular structure and magnetic properties of mixed-metal triangular clusters, Cp2Cr2(μ-SR)(μ3-S)2FeCp (R = CMe3 or Ph) and linear mixed-metal chain CpCr(μ-SPh)3Fe(μ-SPh)3CrCp
T2 - Journal of Organometallic Chemistry
AU - Nefedov, S.E.
AU - Gasanov, G Sh
AU - Novotortsev, V. M.
AU - Yanovsky, A. I.
AU - Ellert, O.G
AU - Struchkov, Yu. T.
AU - Pasynskii, A. A.
AU - Eremenko, Igor L.
PY - 1993
DA - 1993/01/01
PB - Elsevier
SP - 101-105
IS - 1
VL - 443
SN - 0022-328X
SN - 1872-8561
ER -
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@article{1993_Eremenko,
author = {S.E. Nefedov and G Sh Gasanov and V. M. Novotortsev and A. I. Yanovsky and O.G Ellert and Yu. T. Struchkov and A. A. Pasynskii and Igor L. Eremenko},
title = {Antiferromagnetic complexes with metal-metal bonds XXVI. Synthesis, molecular structure and magnetic properties of mixed-metal triangular clusters, Cp2Cr2(μ-SR)(μ3-S)2FeCp (R = CMe3 or Ph) and linear mixed-metal chain CpCr(μ-SPh)3Fe(μ-SPh)3CrCp},
journal = {Journal of Organometallic Chemistry},
year = {1993},
volume = {443},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/0022-328X(93)80015-4},
number = {1},
pages = {101--105},
doi = {10.1016/0022-328X(93)80015-4}
}
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Eremenko, I. L., et al. “Antiferromagnetic complexes with metal-metal bonds XXVI. Synthesis, molecular structure and magnetic properties of mixed-metal triangular clusters, Cp2Cr2(μ-SR)(μ3-S)2FeCp (R = CMe3 or Ph) and linear mixed-metal chain CpCr(μ-SPh)3Fe(μ-SPh)3CrCp.” Journal of Organometallic Chemistry, vol. 443, no. 1, Jan. 1993, pp. 101-105. https://doi.org/10.1016/0022-328X(93)80015-4.
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