HYDROTHERMAL SYNTHESIS OF (PH(4)P)(2)[HG2AS4S9] AND (ME(4)N)[HGAS3S6] - EXTENDED CHAINS AND LAYERS BASED ON THE CONDENSATION OF [ASS3](3-) UNITS

被引：73

作者：

CHOU, JH ^{[1
]}

KANATZIDIS, MG ^{[1
]}

机构：

[1] MICHIGAN STATE UNIV,CTR FUNDAMENTAL MAT RES,E LANSING,MI 48824

来源：

CHEMISTRY OF MATERIALS | 1995年 / 7卷 / 01期

关键词：

D O I：

10.1021/cm00049a002

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Hydrothermal conditions promote the condensation of[AsS3](3-) to higher order [AsxSy](n-) oligomers which then bind to metal ions in a variety of ways to produce extended structures. Two novel compounds, (Ph(4)P)(2)[Hg2As4S9] and (Me(4)N)[HgAs3S6], were synthesized hydrothermally at 130 degrees C using mixtures of HgCI2/K3AsS3/2Ph(4)PBr and HgCl2/K3AsS3/2Me(4)NCl respectively in sealed Pyrex tubes. (Ph(4)P)(2)[Hg2As4S9] contains [Hg2As4S9](2n-)(n) macroanions which have a one-dimensional ribbon structure consisting of trigonal planar Hg2+ and [As4S9](6-) units formed by corner sharing [AsS3](3-) units. The (Me(4)N)[HgAs3S6] contains [HgAs3S6](n-)(n) layers made of distorted tetrahedral Hg2+ and polymeric [AsS2](-) units. The Me(4)N(+) cations are located between the layers. [GRAPHICS]

引用

页码：5 / 8

页数：4

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