Formamidinium salts of low valent metal halide anions MX3-(M = Ge, Sn) and M2X6 (2-) (M = Ga, In)

Tian X; Pape T; Mitzel NW

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Formamidinium salts of low valent metal halide anions MX3-(M = Ge, Sn) and M2X6 (2-) (M = Ga, In)

机译：低价金属卤化物阴离子MX3-（M = Ge，Sn）和M2X6（2-）（M = Ga，In）的甲ami盐

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Tetramethylformamidinium trichlorogermanite, [CH(NMe2)(2)][GeCl3], tetramethylformamidinium trichlorostannite, [CH(NMe2)(2)][SnCl3], bis-(tetramethylformamidinium hexaiododigallate, [CH(NMe2)(2)](2)[Ga2I6] and bis-(tetramethylformamidinium hexachlorodiindate, [CH(NMe2)(2)](2)[In2Cl6] have been prepared by the reactions between tetramethylformamidinium chloride, [CH(NMe2)(2)]Cl, and the corresponding low valent halides GeCl2 (as dioxane adduct), SnCl2, "GaI" and InCl. Their crystal structures have been determined by single crystal X-ray diffraction. [CH(NMe2)(2)][GeCl3] aggregates in a centrosymmetric dimeric structure, in which two trigonal pyramidal GeCl3 units are connected together by two weak (GeCl)-Cl-... bonds and each Ge atom is bonded to one cation by a weak (GeN)-N-... contact. Two sets of weak hydrogen bonds C-(HCl)-Cl-... are observed with bond lengths of 2.87(2) Angstrom and 2.85(2) Angstrom. In [CH(NMe2)(2)][SnCl3], the SnCl3- units adopts a (3+3) coordination with three normal Sn-Cl bonds and three weak (SnCl)-Cl-... contacts. [CH(NMe2)(2)](2)[Ga2I6] and [CH(NMe2)(2)](2)[In2Cl6] contain metal-metal bonded anions with distorted staggered ethane-like conformations. The metal-metal bond lengths are 2.423(1) Angstrom (Ga-Ga) and 2.719(1) Angstrom (In-In). Their Raman spectra contain intense bands at 118.7cm(-1) (Ga-Ga) and 174.7 cm(-1) (In-In) associated with metal-metal stretching modes.

机译：四甲基甲ami三氯锗石，[CH（NMe2）（2）] [GeCl3]，四甲基甲ami三氯锡石，[CH（NMe2）（2）] [SnCl3]，双-（四甲基甲ami六碘代没食子酸酯，[CH（NMe2）（2）]（2） [Ga2I6]和双-（四甲基甲ami六氯二酸酯，[CH（NMe2）（2）]（2）[In2Cl6]是通过四甲基甲ami氯化物，[CH（NMe2）（2）] Cl和相应的低价卤化物GeCl2（作为二恶烷加合物），SnCl2，“ GaI”和InCl。它们的晶体结构已通过单晶X射线衍射确定。[CH（NMe2）（2）] [GeCl3]聚集为中心对称的二聚体结构，其中两个三角锥体GeCl3单元通过两个弱（GeCl）-Cl -...键连接在一起，并且每个Ge原子通过弱（GeN）-N -...接触键与一个阳离子键合。观察到氢键C-（HCl）-Cl -...的键长为2.87（2）埃和2.85（2）埃。在[CH（NMe2）（2）] [SnCl3]中，SnCl3-单元采用与三个n的（3 + 3）协调正常的Sn-Cl键和三个弱（SnCl）-Cl -...触点。 [CH（NMe2）（2）]（2）[Ga2I6]和[CH（NMe2）（2）]（2）[In2Cl6]包含具有扭曲的交错类乙烷构象的金属-金属键合阴离子。金属-金属键长为2.423（1）埃（Ga-Ga）和2.719（1）埃（In-In）。他们的拉曼光谱包含与金属-金属拉伸模式相关的118.7cm（-1）（Ga-Ga）和174.7 cm（-1）（In-In）的强带。

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《Zeitschrift fur Naturforschung, B. A Journal of Chemical Sciences》 |2004年第12期|共8页
作者
Tian X; Pape T; Mitzel NW;
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正文语种 eng
中图分类化学;
关键词
formamidinium salts; germanite; stannite; digallate; diindate; MAIN-GROUP ORGANOMETALLICS; CRYSTAL-STRUCTURES; COORDINATION-COMPOUNDS; VIBRATIONAL-SPECTRA; PHASE-TRANSITIONS; INDIUM; TRICHLOROGERMANATE(II); DIFFRACTION; COMPLEXES; GERMANIUM;

机译：甲salts盐;锗石;锡矿;对苯二甲酸盐;二酸盐;主结构有机体;晶体结构;配位化合物;振动光谱;相变;铟;三茂铁锗酸盐（II）;衍射;络合物;

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1. Formamidinium salts of low valent metal halide anions MX3-(M = Ge, Sn) and M2X6 (2-) (M = Ga, In) [J] . Tian X, Pape T, Mitzel NW Zeitschrift fur Naturforschung, B. A Journal of Chemical Sciences . 2004,第11a12期

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Formamidinium salts of low valent metal halide anions MX3-(M = Ge, Sn) and M2X6 (2-) (M = Ga, In)

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