New Organyltriphenylphosphonium Hexabromoplatinates [Ph3PR]2[PtBr6], R = CH3, CH=CH2, CH2CH=CH2

被引：3

作者：

Zykova, A. R. ^{[1
]}

Sharutin, V. V. ^{[1
]}

Sharutina, O. K. ^{[1
]}

机构：

[1] Natl South Ural State Res Univ, Chelyabinsk 454080, Russia

来源：

RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2021年 / 66卷 / 01期

关键词：

phosphonium bromides; potassium hexabromoplatinate; acetonitrile; phosphonium hexabromoplatinates; X-ray diffraction analysis;

D O I：

10.1134/S0036023621010149

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of compounds [Ph3PCH3](2)[PtBr6] (I), [Ph3PCH=CH2](2)[PtBr6] (II), [Ph3PCH2CH=CH2](2)[PtBr6] (III) have been synthesized to extend the knowledge about ionic hexabromo-containing platinum (IV) complexes promising as catalysts of chemical reactions and bioactive components. Complexes I-III represent red crystals formed from potassium hexabromoplatinate and organyltriphenylphosphonium bromides in acetonitrile with a yield of 90-94%. The structure of the synthesized complexes was determined by X-ray diffraction and IR spectroscopy. Crystals of complexes I-III contain tetrahedral phosphonium cations. The tetrahedral configuration of cations approaches an ideal value. In hexabromoplatinate octahedral anions, the BrPtBr trans-angles are 180 degrees and the cis-angles are close to the theoretical value of 90 degrees. The structure of crystals is formed by weak hydrogen bonds (BrH)-H- horizontal ellipsis -C between cations and anions.

引用

页码：56 / 60

页数：5

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