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使用RD-1型热导式自动量热计分别测定了Ni(Ⅱ)-N-(对位取代苯基)氨基乙酸和Ni(Ⅱ)-N-(间位取代苯基)氨基乙酸的配位热,发现在配位热与配体的质子化热之间存在直线焓关系:△H_M=A-B△H_L,此外,在配位熵与质子化熵之间亦存在线性关系。
The distributions of Ni (Ⅱ) -N- (para-substituted phenyl) glycine and Ni (Ⅱ) -N- (meta-substituted phenyl) glycine were measured by RD-1 thermal conductivity automatic calorimeter It is found that there is a linear enthalpy relationship between the coordination heat and the protonation heat of the ligand: ΔH_M = ABΔH_L, and there is a linear relationship between the coordination entropy and the protonation entropy.