| CRYSTAL STRUCTURE OF BIS-ETHYLENEDIAMINE TRITHIOCYANATE OF COPPER(Ⅱ) AND SILVER(Ⅰ) Cu(en)_2Ag(SCN)_3 |
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| 引用本文： | 黄金陵,卢嘉锡,黄德斌,刘世雄.CRYSTAL STRUCTURE OF BIS-ETHYLENEDIAMINE TRITHIOCYANATE OF COPPER(Ⅱ) AND SILVER(Ⅰ) Cu(en)_2Ag(SCN)_3[J].中国科学B辑(英文版),1983(1). |
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| 作者姓名： | 黄金陵 卢嘉锡 黄德斌 刘世雄 |
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| 作者单位： | Fujian Institute of Research on the Strueture of Matter，Academia Sinica，Fuzhou，Fujian Institute of Research on the Strueture of Matter，Academia Sinica，Fuzhou，Institute of Structural Chemistry，Fuzhou University，Institute of Structural Chemistry，Fuzhou University |
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| 摘 要： | Cu(en)_2Ag(SCN)_3 crystallizes in space group P2_12_12_1 with its cell parameters, a=7.126(2), b=12.587(5), c=17.585(5). There are four formula units per unit cell(ρ_obs.=1.90g/cm~3, ρ_(calc.=1.96g/cm~3). Diffraction data are collected on a CAD4 four-circle diffractometer using Mo-Ka radiation. The structure is determiued by heavy atom method, then refined by leastsquare method to a final R=0.036. It is shown that in the crystal the coordination of Cu atoms is square pyramidal with four N atoms of en groups in the square plane and oue Natom of thiocyanate group in the apical position. The Ag atom is coordinated tetrahedrally by four S atoms of thiocyanate groups, one of which links up two AgS_4 together, thus forming the infinite AgS_4 tetrahedron chains along a axis.
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