Thermally activated intramolecular motion in the crystalline complex SbCl3 · C6H4(NO2)2-m

Thermally activated intramolecular motion in the crystalline complex SbCl3 · C6H4(NO2)2-m Temperature dependences of the 35Cl and 121Sb NQR frequencies and the spin-lattice relaxation times in the molecular complex of antimony trichloride with meta-dinitrobenzene were investigated. These dependences for 35Cl nuclei suggest a thermoactivated motion of chlorine atoms with the activation energy E a = 50 kJ/mol in the crystal. The data obtained were used for determination of the molecular structure of the complex. Some features of the intramolecular motion in SbCl3 complexes of the vπ and vn types were discussed. The 121Sb NQR data revealed no thermoactivated motion of the ligands bound to the Sb atom. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Coordination Chemistry Springer Journals

Thermally activated intramolecular motion in the crystalline complex SbCl3 · C6H4(NO2)2-m

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Chemistry; Inorganic Chemistry; Physical Chemistry
ISSN
1070-3284
eISSN
1608-3318
D.O.I.
10.1134/S1070328406010039
Publisher site
See Article on Publisher Site

Abstract

Temperature dependences of the 35Cl and 121Sb NQR frequencies and the spin-lattice relaxation times in the molecular complex of antimony trichloride with meta-dinitrobenzene were investigated. These dependences for 35Cl nuclei suggest a thermoactivated motion of chlorine atoms with the activation energy E a = 50 kJ/mol in the crystal. The data obtained were used for determination of the molecular structure of the complex. Some features of the intramolecular motion in SbCl3 complexes of the vπ and vn types were discussed. The 121Sb NQR data revealed no thermoactivated motion of the ligands bound to the Sb atom.

Journal

Russian Journal of Coordination ChemistrySpringer Journals

Published: Feb 13, 2006

References

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