Indazole complexes of diorganotin(IV) dihalides. The crystal structures of dichloro and dibromodimethylbis(indazole) tin(IV)

Reaction of indazole (HInd) with diorganotin(IV) dihalides yielded compounds of the type [SnR 2X 2(HInd) 2] (R = Me, Et, Bu and Ph; X = Cl, Br). The structures of the dihalodimethylbis(indazole)tin(IV) complexes were determined by X-ray crystallography. These are trans-octahedral centrosymmetric com...

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Bibliographic Details
Published inJournal of organometallic chemistry Vol. 530; no. 1; pp. 141 - 148
Main Authors Alvarez Boo, P., Casas, J.S., Casellato, U., Couce, M.D., Freijanes, E., Graziani, R., Salgado, B., Russo, U., Sordo, J.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.03.1997
Subjects
Complexes
Crystal structure
Indazole
Organotin
Preparation
Tin
Tin
Organotin
Complexes
Preparation
Indazole
Crystal structure
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Summary:Reaction of indazole (HInd) with diorganotin(IV) dihalides yielded compounds of the type [SnR 2X 2(HInd) 2] (R = Me, Et, Bu and Ph; X = Cl, Br). The structures of the dihalodimethylbis(indazole)tin(IV) complexes were determined by X-ray crystallography. These are trans-octahedral centrosymmetric compounds with the following bond lengths (Å) around the tin atom: Sn-Cl 2.590(2), Sn-N 2.377(6), Sn-C 2.12(1) in the chloride; and Sn-Br 2.733(1), Sn-N 2.370(5) and Sn-C 2.12(1) in the bromide. Mössbauer and vibrational spectra suggest similar trans stereochemistry for the other complexes prepared. The behaviour of these compounds in solution was studied by conductimetry and NMR techniques.
ISSN:0022-328X
1872-8561
DOI:10.1016/S0022-328X(96)06667-3