V4S9Br4: A Novel High-Spin Vanadium Cluster Thiobromide with Square-Planar Metal Core Full article
Journal |
The Journal of Physical Chemistry B
ISSN: 1520-6106 , E-ISSN: 1520-5207 |
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Output data | Year: 2005, Volume: 109, Number: 50, Pages: 23804-23807 Pages count : 4 DOI: 10.1021/jp053572k | ||||||
Tags | Electronic structure; Magnetic properties; Probability density function; Single crystals; Specific heat; Synthesis (chemical); X ray diffraction analysis | ||||||
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Abstract:
The novel vanadium thiobromide, V4S9Br4, with a square-planar metal cluster core was synthesized and characterized by single-crystal X-ray diffraction, measurements of magnetic properties and the heat capacity, and DFT calculations of the electronic structure. At the room temperature, the compound displays paramagnetic properties with an independent spin on each V atom and with a weak exchange constant (J ≈ 10 cm-1). The paramagnetic state is transformed into a low-spin state (AF-type ordering) at low temperatures. This change is accompanied by a heat-capacity anomaly. The observed magnetic and heat-capacity anomalies can be explained by the thermal excitation of electrons on the closely spaced molecular energy levels in the presence of the Jahn−Teller effect.
Cite:
Mironov Y.V.
, Yarovoi S.S.
, Naumov D.Y.
, Kozlova S.G.
, Ikorsky V.N.
, Kremer R.K.
, Simon A.
, Fedorov V.E.
V4S9Br4: A Novel High-Spin Vanadium Cluster Thiobromide with Square-Planar Metal Core
The Journal of Physical Chemistry B. 2005. V.109. N50. P.23804-23807. DOI: 10.1021/jp053572k WOS Scopus РИНЦ
V4S9Br4: A Novel High-Spin Vanadium Cluster Thiobromide with Square-Planar Metal Core
The Journal of Physical Chemistry B. 2005. V.109. N50. P.23804-23807. DOI: 10.1021/jp053572k WOS Scopus РИНЦ
Dates:
Submitted: | Jun 30, 2005 |
Accepted: | Oct 6, 2005 |
Published online: | Nov 30, 2005 |
Published print: | Dec 1, 2005 |
Identifiers:
Web of science | WOS:000234119100007 |
Scopus | 2-s2.0-30544435867 |
Elibrary | 13477409 |
Chemical Abstracts | 2005:1255225 |
Chemical Abstracts (print) | 144:183051 |
PMID | 16375364 |
OpenAlex | W2952134716 |