catena-Poly[[diphenyltin(IV)]-di-μ-isothiocyanato]: an unprecedented layered coordination polymer resulting from bridging κ2N:S thiocyanato ligands

IUCrData Pub Date : 2024-11-01 DOI:10.1107/S2414314624010939

Ann-Kathrin Pancratz , Anne Kamrowski , Hans Reuter

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Abstract

Diphenyltin(IV) diisothiocyanate, Ph₂Sn(NCS)₂, exhibits a new kind of intermolecular association with loss of molecular individuality and formation of a two-dimensional layer structure of octahedrally coordinated tin atoms linked via ambidentate κ²NS thiocyanate ions.

In the title compound, diphenyltin(IV) diisothiocyanate, [Sn(NCS)₂(C₆H₅)₂]_n or Ph₂Sn(NCS)₂, comparatively long tin–nitrogen and short tin–sulfur bonds prove that the ambidentate isothiocyanate ion acts as a bridge between two neighboring, octahedrally coordinated tin atoms. As a result, the molecules lose their individuality in favor of a layered coordination polymer that represents a new type of molecular interactions in the structural chemistry of diorganotin(IV) dihalides/pseudohalides. The tin atom is located on a center of inversion.

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链-聚[[二苯基锡（IV）]-二μ-异硫氰基]：一种前所未有的由κ2 N:S硫氰基配体桥接而成的层状配位聚合物。

在标题化合物二苯基锡（IV）二异硫氰酸盐，[Sn(NCS)2(C6H5)2] n或Ph2Sn(NCS)2中，相对较长的锡氮键和较短的锡硫键证明了双齿异硫氰酸盐离子在两个相邻的八面体配位锡原子之间起着桥梁作用。结果，分子失去了个性，取而代之的是一种层状配位聚合物，它代表了二有机锡（IV）二卤化物/伪卤化物结构化学中一种新型的分子相互作用。锡原子位于反转中心。

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