On the solvation of L-aspartic acid

被引:7
|
作者
Paxton, AT [1 ]
Harper, JB
机构
[1] Queens Univ Belfast, Sch Math & Phys, Atomist Simulat Ctr, Belfast BT7 1NN, Antrim, North Ireland
[2] Univ New S Wales, Sch Chem, Sydney, NSW 2052, Australia
关键词
D O I
10.1080/00268970410001711913
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
We use molecular statics and dynamics to study the stability of L-aspartic acid both in vacuo and solvated by polar and non-polar molecules using density functional theory in the generalized gradient approximation. We find that structures stable in vacuo are unstable in aqueous solution and vice versa. From our simulations we are able to come to some conclusions about the mechanism of stabilisation of zwitterions by polar protic solvents, water and methanol.
引用
收藏
页码:953 / 958
页数:6
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