Tin tetrachloride chelates with 4-dimethylaminobenzaldehyde pyridinoylhydrazones. Molecular and crystal structures of [SnCl4(γ-Idb · H)] · CH3CN and [SnCl4(γ-Idb · H)] · DMF

Tin tetrachloride chelates with 4-dimethylaminobenzaldehyde pyridinoylhydrazones. Molecular and... The reactions of SnCl4 with 4-dimethylaminobenzaldehyde pyridinoylhydrazones (α-HPdb, β-HNdb, and γ-HIdb) afford complexes [SnCl4(Pdb · H)] (I); [SnCl4(Ndb · H)] · nSolv, Solv = 0 (II), CH3OH (IIa); and [SnCl4(Idb · H)] · nSolv, Solv = 0 (III), CH3OH (IIIa), CH3CN (IIIb), DMF (IIIc). The complexes are thermally stable to 310–340°C, and desolvation occurs in ranges of 145–190°C (CH3OH), 160–230°C (CH3CN), and 160–190°C (DMF). It is found by IR spectroscopy that the complexes include the form of ligands protonated at N(Py), where the ligands are bonded to tin according to the bidentate-cyclic mode through the azomethine nitrogen atom and the oxygen atom of the oxyazine group. The molecular and crystal structures of complexes IIIb and IIIc are determined by X-ray diffraction analyses (CIF files CCDC nos. 1055248 and 1055249, respectively). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Coordination Chemistry Springer Journals

Tin tetrachloride chelates with 4-dimethylaminobenzaldehyde pyridinoylhydrazones. Molecular and crystal structures of [SnCl4(γ-Idb · H)] · CH3CN and [SnCl4(γ-Idb · H)] · DMF

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Physical Chemistry; Inorganic Chemistry
ISSN
1070-3284
eISSN
1608-3318
D.O.I.
10.1134/S1070328415080059
Publisher site
See Article on Publisher Site

Abstract

The reactions of SnCl4 with 4-dimethylaminobenzaldehyde pyridinoylhydrazones (α-HPdb, β-HNdb, and γ-HIdb) afford complexes [SnCl4(Pdb · H)] (I); [SnCl4(Ndb · H)] · nSolv, Solv = 0 (II), CH3OH (IIa); and [SnCl4(Idb · H)] · nSolv, Solv = 0 (III), CH3OH (IIIa), CH3CN (IIIb), DMF (IIIc). The complexes are thermally stable to 310–340°C, and desolvation occurs in ranges of 145–190°C (CH3OH), 160–230°C (CH3CN), and 160–190°C (DMF). It is found by IR spectroscopy that the complexes include the form of ligands protonated at N(Py), where the ligands are bonded to tin according to the bidentate-cyclic mode through the azomethine nitrogen atom and the oxygen atom of the oxyazine group. The molecular and crystal structures of complexes IIIb and IIIc are determined by X-ray diffraction analyses (CIF files CCDC nos. 1055248 and 1055249, respectively).

Journal

Russian Journal of Coordination ChemistrySpringer Journals

Published: Aug 1, 2015

References

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