Hydrothermal synthesis and crystal structure of a 3D rare-earth coordination polymer [Ce2(H2btc) (btc) (H2O)2]n

被引：0
作者：
Fan, HL
Cao, MH
Qi, YJ
Mao, L
Hu, CW [1 ]
Wang, EB
机构：
[1] NE Normal Univ, Inst Polyoxometalates Chem, Changchun 130024, Peoples R China
[2] Beijing Inst Technol, Dept Chem, Beijing 100081, Peoples R China
[3] Jilin Agr Univ, Coll Resource & Environm, Changchun 130118, Peoples R China
来源：
CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE | 2004年 / 25卷 / 08期
关键词：
hydrothermal synthesis; coordination polymer; cerium; crystal structure;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new 3D rare-earth coordination polymer [Ce-2 (H(2)btc) (btc) (H2O)(2)](n) (1) was hydrothermally synthesized and its structure was characterized by the single crystal X-ray diffraction. Compound I crystallizes in a triclinic crystal system, space group P1 with a=0.641 17(13) nm, b=0.939 41(19) nm, c= 0.957 97 (19) nm, alpha= 103-888 (17)degrees, beta= 74. 57 (3)degrees, gamma= 76. 71 (3)degrees, V= 0.540 98(19) nm(3), Z = 1, R= 0.026 4, omegaR(2) = 0. 077 9. The three-dimensional compound 1 is built by linking one crystallographically independent nine-coordination Ce (III) subunit through the btc and the H(2)btc ligands. Each nine-coordinate Ce (III) unit is a distorted tricapped trigonal prism, of which eight oxygen atoms belong to six different carboxylate groups of btc or H(2)btc and a water molecule, with the Cc(III)-O bond lengths ranging from 0. 240 3(3) nm to 0. 263 6(3) nm.
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页码：1419 / 1421
页数：3
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