Synthesis, crystal structure and vibrational spectrum of cobalt(II)orotate trihydrate, [Co(C5N2O4H2)•3H2O

被引：10
|
作者：
Brockner, W [1 ]
Branscheid, R [1 ]
Gjikaj, M [1 ]
Adam, A [1 ]
机构：
[1] Clausthal Univ Technol, Inst Inorgan & Analyt Chem, D-38678 Clausthal Zellerfeld, Germany
来源：
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 2005年 / 60卷 / 02期
关键词：
cobalt(II)orotate trihydrate; crystal structure; vibrational spectrum; thermal behavior;
D O I：
10.1515/znb-2005-0208
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Cobalt orotate trihydrate, [CO(C5N2O4H2)]center dot 3H(2)O, has been synthesized and its crystal structure determined. The title compound crystallizes in the orthorhombic space group P2(1)2(1)2(1) (no. 19) with a = 771.5(2), b = 788.9(7), c = 1470.4(2) pm, and Z = 4. Bridging orotate anions coordinate in a mono- and bidentate manner to the Co atom resulting in infinite chains of alternating Co(II) cations and orotate (OrH(2-)) anions parallel to the c axis. The distorted octahedral Co coordination geometry is completed by three H2O molecules. The FT-Raman and FT-IR spectra of the crystalline compound have been recorded and an assignment of the vibrational modes is proposed. The thermal behavior (TG) was investigated.
引用
收藏
页码：175 / 179
页数：5
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