CARBOXYLATE BRIDGING OF AMINO-ACIDS IN DINUCLEAR MACROCYCLIC NICKEL(II) COMPLEXES

被引:35
作者
DAS, R
NANDA, KK
VENKATSUBRAMANIAN, K
PAUL, P
NAG, K
机构
[1] INDIAN ASSOC CULTIVAT SCI,DEPT INORGAN CHEM,CALCUTTA 700032,W BENGAL,INDIA
[2] CENT SALT & MARINE CHEM RES INST,DIV COORDINAT CHEM,BHAVNAGAR 364002,GUJARAT,INDIA
来源
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1992年 / 07期
关键词
D O I
10.1039/dt9920001253
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The dinuclear nickel(II) complex [Ni2L(MeOH)2(ClO4)2].2NEt3HClO4, derived from a tetraazadiphenol macrocyclic ligand H2L, on reaction with glycine, beta-alanine and glycylglycine affords the mu-carboxylato complexes of composition [Ni2L(-O2C-NH3+)(H2O)2][ClO2]2.nH2O. The structure of [Ni2L(mu-O2CCH2-NH3) (H2O)2][ClO4]2.2H2O has been determined: monoclinic, space group C(c), with a - 17.465(2), b = 21.834(2), c = 11.480(1) angstrom, beta = 115.27(2)-degrees and Z = 4. The structure was solved by direct methods and refined to R = 0.047 and R' = 0.064.
引用
收藏
页码:1253 / 1257
页数:5
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