新颍Mo-Cu-Se簇合物{MoCu3Se3I}(PPh3)3O·0.5CH2Cl2的合成及晶体结构 |
CLUSTER COMPOUND {MoCu3Se3I}(PPh3)3O·0.5CH2Cl2 |
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摘要: 新颍Mo-Cu-Se簇合物{MoCu3Se3I}(PPh3)3O·0.5CH2Cl2是由[Et4N]2MoSe4、Cu(PPh3)2NO3和KI在乙腈和二氯甲烷1∶1的混合溶剂中反应所得。晶体属单斜晶系,空间群P21 |
关键词: Mo-Cu-Se化合物 合成 晶体结构 |
基金项目: |
Abstract: The new novel Mo-Cu-Se cluster compound {MoCu3Se3I}(PPh3)3O·0.5CH2Cl2 has been synthesized by [Et4N]2MoSe4, Cu(PPh3)2NO3, KI in CH3CN/CH2Cl2 (1∶1) solvent. Its crystal is monoclinic, space group P21/c with unit cell parameters: a=11.994(2), b=28.358(8), c=19.500(3)?; β=102.04(1)°; V=6486.7(4)?3; Z=4; Dc=1.58 g/cm3; F(000)=2992. The final R=0.073 and RW=0.079 for 4057 (I>3.0 (σ)) observed reflections. The core {MoCu3Se3I} of the title compound is a distorted cubic configuration. The average values of Mo-Cu and Mo-Se bond length are 2.782 and 2.385?, respectively. The Cu-I bond lengths vary from 2.803(4) to 3.015(4)?. |
Keywords: Mo-Cu-Se cluster compound synthesis crystal structure |
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张千峰,洪茂椿,吴明辉,曹荣,刘汉钦.新颍Mo-Cu-Se簇合物{MoCu3Se3I}(PPh3)3O·0.5CH2Cl2的合成及晶体结构[J].无机化学学报,1997,13(2):179-185. |
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