Ca. Diop et al., Synthesis, spectroscopic characterization and crystal and molecular structures of {Ph4P[(SeO4)(SnPh3)(SnPh3X)]}(n) (X = Cl, Br), Z NATURFO B, 56(3), 2001, pp. 233-238
Citations number
20
Categorie Soggetti
Chemistry
Journal title
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES
The reactions of bis[triphenyltin(IV)] selenate monohydrate [(Ph3Sn)(2)O4Se
.H2O] with tetraphenylphosphonium halides Ph4PX (X = Cl, Br) led to the fo
rmation of 1:1 complexes of formula {Ph4P[(SeO4)(SnPh3)(SnPh3X)]n [X = Br (
I) or Cl (II)], which were characterized by infrared, Mossbauer and H-1,C-1
3 and Sn-119 NMR techniques and by X-ray diffractometry. The complexes have
polymeric structures in which the [SnPh3](+) units alternate with bridging
[SeO4](2-) units, each of which also bears an SnPh3X side chain. In both t
he [SnPh3](+) and the [SnPh3X] units the coordination polyhedron of the tin
atom is a distorted trigonal bipyramid.