Structures of pyridine carboxylate complexes of cobalt(II) and copper(II)

被引：70
|
作者：
Waizumi, K [1 ]
Takuno, M
Fukushima, N
Masuda, H
机构：
[1] Yamaguchi Univ, Fac Educ, Dept Chem, Yamaguchi 753, Japan
[2] Cray Res Japan Ltd, Chiyoda Ku, Tokyo 102, Japan
[3] Nagoya Inst Technol, Dept Appl Chem, Showa Ku, Nagoya, Aichi 466, Japan
来源：
JOURNAL OF COORDINATION CHEMISTRY | 1998年 / 44卷 / 3-4期
关键词：
X-ray structures; cobalt(II); copper(II); nicotinate; isonicotinate;
D O I：
10.1080/00958979808023079
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The syntheses and crystal structures of [Co(nic)(2)(H2O)(4)] (1), [Co(iso)(2)(H2O)(4)] (2), [Cu(nic)(2) (H2O)(4)] (3), and [Cu(iso)(2)(H2O)(4)] (4) (nic = nicotinate; iso = isonicotinate) are reported. Complex 1 crystallizes in monoclinic, space group C2/m with cell parameters a = 14.150(4), b = 6.883(2), c = 8.497(2) Angstrom, beta = 118.28(2)degrees and Z = 2. The other crystals, 2, 3, and 4, are all triclinic, P (1) over bar; a = 9.777(3), b = 6.348(4), c = 6.888(3) Angstrom, alpha = 113.10(6), beta = 110.55(3), gamma = 97.61(5)degrees, and Z = 1 for 2; a = 7.0281(4), b = 7.7176(6), c = 8.6978(7) Angstrom, alpha = 68.103(7), beta = 68.526(5), gamma = 62.550(6)degrees, and Z = 1 for 3; a = 9.1807(4), b = 6.3334(3), c = 6.8871(3) Angstrom, alpha = 108.213(4), beta = 99.433(4), gamma = 105.190(4)degrees, and Z = 1 for 4. The arrangements around the metal ions are trans-octahedra with two pyridyl nitrogens and two aqua oxygens in the equatorial positions and two aqua oxygens in the axial positions, although the Cu(II) complexes show a larger Jahn-Teller distortion.
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收藏
页码：269 / 279
页数：11
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