| Lattice potential energy and standard molar enthalpy in the formation of 1-dodecylamine hydrobromide (1-C12H25NH3 ·Br)（s） |
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| 引用本文： | 刘玉普,邸友莹,淡文彦,何东华,孔玉霞,杨伟伟.Lattice potential energy and standard molar enthalpy in the formation of 1-dodecylamine hydrobromide (1-C12H25NH3 ·Br)（s）[J].中国物理 B,2011,20(2):28202-028202. |
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| 作者姓名： | 刘玉普 邸友莹 淡文彦 何东华 孔玉霞 杨伟伟 |
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| 作者单位： | College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant Nos. 20673050 and 20973089). |
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| 摘 要： | This paper reports that 1-dodecylamine hydrobromide (1--C12H25NH3·Br)(s) has been synthesized using the liquid phase reaction method. The lattice potential energy of the compound 1--C12H25NH3·Br and the ionic volume and radius of the 1--C12H25NH3+ cation are obtained from the crystallographic data and other auxiliary thermodynamic data. The constant-volume energy of combustion of 1--C12H25NH3·Br(s) is measured to be Δc Umo(1--C12H25NH3·Br, s) =--(7369.03±3.28) kJ·mol-1 by means of an RBC-II precision rotating-bomb combustion calorimeter at T=(298.15±0.001) K. The standard molar enthalpy of combustion of the compound is derived to be Δc Hmo(1--C12H25NH3·Br, s)=--(7384.52±3.28) kJ·mol - 1 from the constant-volume energy of combustion. The standard molar enthalpy of formation of the compound is calculated to be Δf Hmo(1--C12H25NH3·Br, s)=--(1317.86±3.67) kJ·mol-1 from the standard molar enthalpy of combustion of the title compound and other auxiliary thermodynamic quantities through a thermochemical cycle.
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| 关 键 词： | 1-dodecylamine hydrobromide lattice potential energy ionic radius standard molar enthalpy of formation |
| 收稿时间： | 8/4/2010 12:00:00 AM |
| 修稿时间： | 9/8/2010 12:00:00 AM |
Lattice potential energy and standard molar enthalpy in the formation of 1–dodecylamine hydrobromide (1–C12H25NH3·Br)(s) |
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| Liu Yu-Pu,Di You-Ying,Dan Wen-Yan,He Dong-Hu,Kong Yu-Xia and Yang Wei-Wei.Lattice potential energy and standard molar enthalpy in the formation of 1–dodecylamine hydrobromide (1–C12H25NH3·Br)(s)[J].Chinese Physics B,2011,20(2):28202-028202. |
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| Authors: | Liu Yu-Pu Di You-Ying Dan Wen-Yan He Dong-Hu Kong Yu-Xia and Yang Wei-Wei |
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| Institution: | College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China |
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| Abstract: | This paper reports that 1-dodecylamine hydrobromide (1--C12H25NH3·Br)(s) has been synthesized using the liquid phase reaction method. The lattice potential energy of the compound 1--C12H25NH3·Br and the ionic volume and radius of the 1--C12H25NH3+ cation are obtained from the crystallographic data and other auxiliary thermodynamic data. The constant-volume energy of combustion of 1--C12H25NH3·Br(s) is measured to be Δc Umo(1--C12H25NH3·Br, s) =--(7369.03±3.28) kJ·mol-1 by means of an RBC-II precision rotating-bomb combustion calorimeter at T=(298.15±0.001) K. The standard molar enthalpy of combustion of the compound is derived to be Δc Hmo(1--C12H25NH3·Br, s)=--(7384.52±3.28) kJ·mol - 1 from the constant-volume energy of combustion. The standard molar enthalpy of formation of the compound is calculated to be Δf Hmo(1--C12H25NH3·Br, s)=--(1317.86±3.67) kJ·mol-1 from the standard molar enthalpy of combustion of the title compound and other auxiliary thermodynamic quantities through a thermochemical cycle. |
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| Keywords: | 1-dodecylamine hydrobromide lattice potential energy ionic radius standard molar enthalpy of formation |
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