Synthesis and structural characterization of nickel(II) hexaazamacrotetracyclic complexes with phthalate ligands

被引:1
|
作者
Choi, Ki-Young [1 ]
Lim, In-Tack [1 ]
Kim, Chul-Kang [1 ]
机构
[1] Kongju Natl Univ, Dept Chem Educ, Kong Ju 314701, South Korea
关键词
Crystal structure; Nickel(II) complexes; 1D coordination polymer; Antiferomagnetic complex; Hexaaza macrocycle Terephthalic acid; Isophthalic acid; TEMPLATE CONDENSATION; MACROCYCLIC COMPLEX; CRYSTAL-STRUCTURES; FORMALDEHYDE; CHEMISTRY;
D O I
10.1007/s10847-012-0195-8
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The octahedral nickel(II) complexes, [[Ni(L)(tp)]center dot 2H(2)O (1) and [[Ni(L)(isoph)(2)]center dot 2H(2)O (2) (L = 1,3,10,12,16,19-hexaazatetracyclo[17,3,1,1(12.16),0(4.9)] tetracosane, tp(2-) = terephthalate, isoph(2-) = isophthalate) were obtained by the reaction of [Ni(L)](ClO4)(2)center dot 2H(2)Owith corresponding ligands. These complexes have been characterized by X-ray crystallography, spectroscopic and magnetic susceptibility. The crystal structure of 1 shows a distorted octahedral coordination geometry with two secondary and two tertiary amines of the macrocycle and two oxygen atoms of the tp 2-ligand, which reveals a 1D coordination polymer. Electronic spectra of the complexes in solid state exhibit a high-spin octahedral environment. The magnetic behavior of 1 reveals a very weak antiferromagnetic interaction with J values of -1.19(3) cm(-1).
引用
收藏
页码:263 / 268
页数:6
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