CRYSTAL AND MOLECULAR-STRUCTURES OF SPIRO-BIS(TRITHIASTANNOCANE), SN(SCH2CH2SCH2CH2S)(2), AND SPIRO-BIS(OXADITHIASTANNOCANE), SN(SCH2CH2OCH2CH2S)(2) - DISTORTION OF THE SNS4 TETRAHEDRAL COORDINATION PRODUCED BY TRANSANNULAR SN-CENTER-DOT-CENTER-DOT-CENTER-DOT-X (X=S, O) INTERACTIONS

被引：17

作者：

CEAOLIVARES, R

LOMELI, V

HERNANDEZORTEGA, S

HAIDUC, I

机构：

[1] Instituto de Química, Universidad Nacional Autómona de México, 04510 Mexico D.F, Circuito Exterior, Cuidad Universitaria

来源：

POLYHEDRON | 1995年 / 14卷 / 06期

关键词：

D O I：

10.1016/0277-5387(94)00302-U

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The title compounds, prepared from X(CH2CH2SNa)(2) (X = S, O) and SnCl4 were investigated by X-ray diffraction. In both compounds transannular secondary Sn ... X interactions in the eight-membered rings produce a distortion of the SnS4 tetrahedron. This consists of an enlargement of S-Sn-S angle [to 126.1 degrees when X = S and 118.9 degrees (118.4 degrees) when X = O] with simultaneous decrease of the opposite tetrahedral angle [to 93.2 degrees when X = S and 94.4 degrees (93.2 degrees) when X = O]. The coordination geometry in both compounds can be described as based upon a bicapped tetrahedron.

引用

页码：747 / 755

页数：9

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