Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/85920
Title: (Li, Na, K)OH hydration bonding thermodynamics : solution self-heating
Authors: Sun, Chang Qing
Yao, Chuang
Chen, Jiasheng
Liu, Xinjuan
Zhang, Xi
Huang, Yongli
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Hydrogen Bond
Solvation
Issue Date: 2018
Source: Sun, C. Q., Chen, J., Yao, C., Liu, X., Zhang, X., & Huang, Y. (2018). (Li, Na, K)OH hydration bonding thermodynamics : solution self-heating. Chemical Physics Letters, 696, 139-143. doi:10.1016/j.cplett.2018.02.038
Series/Report no.: Chemical Physics Letters
Abstract: The resultant energy of solvent H–O bond exothermic elongation by O:⇔:O repulsion, featured at <3100 cm −1 , and the solute H–O bond endothermic contraction by bond-order-deficiency, at 3610 cm −1 , heats up the (Li, Na, K)OH solutions. The solution temperature increases linearly with the number fraction of the ordinary O:H–O bonds transiting into their hydration states. The elongated H–O bond emits >150% the O:H cohesive energy of 0.095 eV that caps the energy dissipating by molecular motion, thermal fluctuation, diffusion, and even evaporation. Therefore, the intramolecular H–O bond relaxation dictates the OH − solvation bonding thermodynamics and the performance of basic solutions.
URI: https://hdl.handle.net/10356/85920
http://hdl.handle.net/10220/48296
ISSN: 0009-2614
DOI: 10.1016/j.cplett.2018.02.038
Rights: © 2018 Elsevier. All rights reserved. This paper was published in Chemical Physics Letters and is made available with permission of Elsevier.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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