The effects of quantum zero point energy fluctuations on the variation with concentration of the maximum density temperatures in water-alcohol solutions

被引:3
作者
Deeney, F. A. [1 ]
O'Leary, J. P. [1 ]
Cronin, B. [2 ]
O'Leary, D. M. [1 ]
机构
[1] Natl Univ Ireland, Dept Phys, Cork, Ireland
[2] Univ Oxford, Chem Res Lab, Oxford OX1 3TA, England
关键词
D O I
10.1016/j.cplett.2008.09.063
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Unlike the situation for ionic aqueous solutions, the relationship between the density maximum temperature T-md and solute concentration for aqueous solutions of primary alcohols is known to be strongly non-linear. Using our recent theory for the existence of the maximum density in water in terms of quantum zero point energy effects, we explain why this is so. We also explain why some of the alcohols show a maximum in their Tmd vs. concentration curves but others do not. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:216 / 219
页数:4
相关论文
共 25 条
[1]   Quantum effects on the structure of water at constant temperature and constant atomic density [J].
Badyal, YS ;
Price, DL ;
Saboungi, ML ;
Haeffner, DR ;
Shastri, SD .
JOURNAL OF CHEMICAL PHYSICS, 2002, 116 (24) :10833-10837
[2]   Hydrogen bonding in water [J].
Chen, B ;
Ivanov, I ;
Klein, ML ;
Parrinello, M .
PHYSICAL REVIEW LETTERS, 2003, 91 (21)
[3]   EFFECT OF STRUCTURE-MAKING AND -BREAKING SOLUTES ON TEMPERATURE OF MAXIMUM DENSITY OF WATER [J].
DARNELL, AJ ;
GREYSON, J .
JOURNAL OF PHYSICAL CHEMISTRY, 1968, 72 (08) :3021-&
[4]   A rapid method for measuring maximum density temperatures in water and aqueous solutions for the study of quantum zero point energy effects in these liquids [J].
Deeney, F. A. ;
O'Leary, J. P. .
EUROPEAN JOURNAL OF PHYSICS, 2008, 29 (05) :871-877
[5]   Zero point energy and the origin of the density maximum in water [J].
Deeney, F. A. ;
O'Leary, J. P. .
PHYSICS LETTERS A, 2008, 372 (10) :1551-1554
[6]   The density maximum in liquid He4 and its relationship to the lambda point [J].
Deeney, F. A. ;
O'Leary, J. P. ;
O'Sullivan, P. .
PHYSICS LETTERS A, 2006, 358 (01) :53-56
[7]  
ELLIOTT S, 2000, PHYS CHEM SOLIDS, pCH4
[8]   The structure of aqueous solutions of tertiary butanol [J].
Finney, JL ;
Bowron, DT ;
Soper, AK .
JOURNAL OF PHYSICS-CONDENSED MATTER, 2000, 12 (8A) :A123-A128
[10]   APPARENT MOLAR VOLUMES AND TEMPERATURES OF MAXIMUM DENSITY OF DILUTE AQUEOUS SUCROSE SOLUTIONS [J].
GARROD, JE ;
HERRINGT.TM .
JOURNAL OF PHYSICAL CHEMISTRY, 1970, 74 (02) :363-&