| Synthesis and Crystal Structure of Squarate Complex ［CuLaSm（C_4O_4）_4（H_2O）_（16）］·2H_2O |
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| 作者姓名： | Shi Jing-Min Yan Shi-Ping Liao Dai-Zheng Jiang Zong-Hui Wang Geng-Lin |
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| 作者单位： | Shi Jing-Min; Yan Shi-Ping; Liao Dai-Zheng;Jiang Zong-Hui; Wang Geng-Lin (Department of Chemistry，Nankai University，Tianjin，China，300071 )(National Laboratory of Coordination Chemistry，Nanjing University，China) Wang Ru-Ji; Wang Hong-Gen; Yao Xin-Kan |
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| 摘 要： | ＳｙｎｔｈｅｓｉｓａｎｄＣｒｙｓｔａｌＳｔｒｕｃｔｕｒｅｏｆＳｑｕａｒａｔｅＣｏｍｐｌｅｘ［ＣｕＬａＳｍ（Ｃ_４Ｏ_４）_４（Ｈ_２Ｏ）_（１６）］·２Ｈ_２Ｏ￥ＳｈｉＪｉｎｇ－Ｍｉｎ；ＹａｎＳｈｉ－Ｐｉｎｇ；ＬｉａｏＤａｉ－Ｚｈｅｎｇ；ＪｉａｎｇＺｏｎｇ...
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Synthesis and Crystal Structure of Squarate Complex[CuLaSm(C_4O_4)_4 (H_2O)_(16)]·2H_2O |
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| Shi Jing-Min, Yan Shi-Ping, Liao Dai-Zheng,Jiang Zong-Hui, Wang Geng-Lin.Synthesis and Crystal Structure of Squarate Complex[CuLaSm(C_4O_4)_4 (H_2O)_(16)]·2H_2O[J].Chinese Journal of Structural Chemistry,1995(2). |
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| Authors: | Shi Jing-Min Yan Shi-Ping Liao Dai-Zheng Jiang Zong-Hui Wang Geng-Lin |
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| Abstract: | CuLaSm(C4O4 )4(H2O)16]·2H2O was obtained as a single crystal from a mixture of squaric acid, lanthanum chloride, samarium chloride, and copper chloride in water. The complex crystallized in the monoclinic system, space group P2_1,with a=6. 728(1) . b=32. 117(9),c=8. 150(1) A ,β=111. 60(1),Z=2, M_r=1125. 24, V= 1637(1 ) A3, Dc= 2. 28g/cm3, μ(MoKα) = 38. 36 cm-1, F(000)= 1104, R= 0. 040 for 2823 independent observed reflections. The coordinated environments of the lanthanides are a 4-capped square antiprism and a 4,4, 4-tricapped trigonal prism, and that of the copper is a distorted octahedron. The complex is the first example that contains copper and two kinds of different lanthanides when the squarate is employed as the ligand. |
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| Keywords: | rare earth complex squarate crystal structure model of intermediate for high -Tc superconductors |
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