| 镍、锌、钴(II)-N-(对位取代苯基)亚氨基二乙酸的量热 |
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| 引用本文： | 林华宽,卢祥生,古宗信,李卫红,陈荣悌.镍、锌、钴(II)-N-(对位取代苯基)亚氨基二乙酸的量热[J].物理化学学报,1994,10(3):212-216. |
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| 作者姓名： | 林华宽 卢祥生 古宗信 李卫红 陈荣悌 |
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| 作者单位： | Department of Chemistry, Nankai University, Tianjin 300071 |
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| 摘 要： | 使用改进的RD-1型热导式量热计测定了镍（Ⅱ）-、钴（Ⅱ）-、锌（Ⅱ）-N-（对位取代苯基）亚氨基二乙酸等三个二元配位体系的生成热．这些配合物的生成热不仅与配体的质子化热之间存在着线性关系，而且它们的大小按金属离子来说是完全符合Irving-Williams序列的，并利用配体的多环水化结构解释了N-（取代苯基）亚氨基二乙酸根质子化热呈正值（吸热）的实验事实。
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| 关 键 词： | 直线焓关系 多环水化结构 氢键 |
| 收稿时间： | 1992-08-12 |
| 修稿时间： | 1993-01-05 |
Calorimetric Study of Ni(II), Co(II), Zn(II)-N-(para-cubstitutd Pheny1) Iminodiacetic Acid |
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| Lin Huakuan, Lu Xiangsheng ,Gu Zongxin, Li Weihong, Chen Rongti.Calorimetric Study of Ni(II), Co(II), Zn(II)-N-(para-cubstitutd Pheny1) Iminodiacetic Acid[J].Acta Physico-Chimica Sinica,1994,10(3):212-216. |
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| Authors: | Lin Huakuan Lu Xiangsheng Gu Zongxin Li Weihong Chen Rongti |
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| Institution: | Department of Chemistry, Nankai University, Tianjin 300071 |
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| Abstract: | The formation heats of binary complex compounds formed from N-(para substituted phenyl) iminodiacetic acid (p-RPhIDA) with Ni(Ⅱ), Co(Ⅱ) and Zn(Ⅱ) have been determined by means of a model RD-1 conduction automatic calorimeter at 25.0±0.2 ℃ in the presence of KNO_3 (0.1 mol·L~(-1)). It was found that linear enthalpy relation ships not only did exist between the formation heats of the binary complex compounds (Ni(Ⅱ )-, Co(Ⅱ)-, Zn(Ⅱ)-p-RPhIDA) and the protonation heats of p-RPhIDA but the order of maghitude of these formation heats is in agreement with Irving-Willams order for the metal ions. The experimental fact of positive (endothermic) protonation heats of p-RPhIDA has been explained by means of polyring hydration structure of N-(para-substituted phenyl) iminodiacetate. |
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| Keywords: | LER Polyring structure of hydration Hydrogen bonding |
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