The preparation and characterization of seven-coordinate tin(IV) complexes of the 2,6-diacetylpyridine Schiff bases of S-alkyl/aryl-dithiocarbazates and the X-ray crystal structure of the [Sn(dapsme)I-2] complex (dapsme=doubly deprotonated form of the 2,6

Ali, M. A., Mirza, A. H., Tan, A. L., Wei, L. K. and Bernhardt, P. V. (2004) The preparation and characterization of seven-coordinate tin(IV) complexes of the 2,6-diacetylpyridine Schiff bases of S-alkyl/aryl-dithiocarbazates and the X-ray crystal structure of the [Sn(dapsme)I-2] complex (dapsme=doubly deprotonated form of the 2,6. Polyhedron, 23 11: 2037-2043. doi:10.1016/j.poly.2004.05.010


Author Ali, M. A.
Mirza, A. H.
Tan, A. L.
Wei, L. K.
Bernhardt, P. V.
Title The preparation and characterization of seven-coordinate tin(IV) complexes of the 2,6-diacetylpyridine Schiff bases of S-alkyl/aryl-dithiocarbazates and the X-ray crystal structure of the [Sn(dapsme)I-2] complex (dapsme=doubly deprotonated form of the 2,6
Journal name Polyhedron   Check publisher's open access policy
ISSN 0277-5387
Publication date 2004
Sub-type Article (original research)
DOI 10.1016/j.poly.2004.05.010
Volume 23
Issue 11
Start page 2037
End page 2043
Total pages 7
Place of publication Oxford
Publisher Pergamon-elsevier Science Ltd
Collection year 2004
Language eng
Subject C1
250201 Transition Metal Chemistry
780103 Chemical sciences
Abstract New tin(IV) complexes of empirical formula, Sn(SNNNS)I-2 (SNNNS = anionic form of the 2,6-diacetylpyridine Schiff bases of S-methyl- or S-benzyldithiocarbazate) have been prepared and characterized by a variety of physico-chemical techniques. The structure of Sn(dapsme)I-2 has been determined by single crystal X-ray crystallographic structural analysis. The complex has a seven-coordinate distorted pentagonal-bipyramidal geometry with the Schiff base coordinated to the tin(IV) ion as a dinegatively charged pentadentate chelating agent via the pyridine nitrogen atom, the two azomethine nitrogen atoms and the two thiolate sulfur atoms. The ligand occupies the equatorial plane and the iodo ligands are coordinated to the tin(IV) ion at axial positions. The distortion from an ideal pentagonal bipyramidal geometry is attributed to the restricted bite size of the pentadentate ligands. (C) 2004 Elsevier Ltd. All rights reserved.
Keyword Chemistry, Inorganic & Nuclear
Crystallography
Tin(iv) Complexes
Dithiocarbazates
2,6-diacetylpyridine Schiff Bases Of S-alkyldithiocarbazates
Seven-coordinate Tin(iv) Complexes
Spectroscopic Characterization
Platinum(ii) Complexes
Thiosemicarbazone Hl
Ion
Palladium(ii)
Ligand
Bis(thiosemicarbazone)
Cobalt(iii)
Dihydrate
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 04:04:07 EST