Thermochemical Properties of n-Undecylammonium Bromide Monohydrate C11H28BrNO(s)
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- 作者：Li-Jun Zhang (1)
You-Ying Di (1)
Jian-Min Dou (1) - 关键词：n ; Undecylammonium bromide monohydrate ; Crystal structure ; Pitzer’s model ; Molar enthalpy of dissolution ; Pitzer’s parameter
- 刊名：Journal of Solution Chemistry
- 出版年：2013
- 出版时间：January 2013
- 年：2013
- 卷：42
- 期：1
- 页码：52-59
- 全文大小：379KB
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13. Pitzer, K.S. (ed.): Activity coefficients in electrolyte solutions, 2nd edn. CRC, Boca Raton (1991) - 作者单位：Li-Jun Zhang (1)
You-Ying Di (1)
Jian-Min Dou (1)
1. Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, Shandong, People’s Republic of China - ISSN：1572-8927
文摘
The crystal structure of n-undecylammonium bromide monohydrate was determined by X-ray crystallography. The crystal system of the compound is monoclinic, and the space group is P21/c. Molar enthalpies of dissolution of the compound at different concentrations m/(mol·kg?) were measured with an isoperibol solution–reaction calorimeter at T?=?298.15?K. According to the Pitzer’s electrolyte solution model, the molar enthalpy of dissolution of the compound at infinite dilution ( $ \Updelta_{\text{sol}} H_{\text{m}}^{\infty } $ ) and Pitzer parameters ( $ \beta_{\text{MX}}^{(0)L} $ and $ \beta_{\text{MX}}^{(1)L} $ ) were obtained. Values of the apparent relative molar enthalpies ( $ {}^{\Upphi }L $ ) of the title compound and relative partial molar enthalpies ( $ \bar{L}_{2} $ and $ \bar{L}_{1} $ ) of the solute and the solvent at different concentrations were derived from experimental values of the enthalpies of dissolution.