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14각형 헥사아자 거대고리 구리(II)착물과 음이온의 반응에 미치는 리간드의 치환기 효과
姜信杰,李成得성득,權在槿,鄭守炅 大邱大學校附設 基礎科學硏究所 1991 基礎科學硏究 Vol.8 No.-
Reactions of copper(In complexes of 1, 8-dimethyl-, 1, 8-diethyl-, and 1, 8-dipropyl-1, 3, 6, 8, 11, 13-hexaazacyclotertradecanes(A, B, and C, respectively) with halide and pseudohalide ions have been studied in aqueous solutions by spectrophotometric method. It is observed that the equilibrium constants(K) of these reactions decrease with the ligand structure in the order A> B>C for anions and decrase with the anions in the order SCN^(-)>N_(3)^(-)>Br^(-)>Cl^(-) for complexes. The values of K increased with increasing temperature. Thermodynamic parameters obtained from the equilibrium constants are investigated.