Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-3192
Bakó, I; Hutter, J; Pálinkás, G (2002). Car–Parrinello molecular dynamics simulation of the hydrated calcium ion. Journal of Chemical Physics, 117(21):9838-9843.
View at publisher
First principles molecular dynamics has been used to investigate the structural, vibrational, and energetic properties of [Ca(H2O)(n)](2+) clusters with n=1-9, and the hydration shell of a calcium ion in a periodically repeated box with 54 water molecules. We find that, while stable highly symmetric Ca-water clusters can be formed with up to eight water molecules, the n=9 cluster dissociates into the last stable [Ca(H2O)8](2+) complex. In solution the first hydration shell around the Ca2+ ion contains six water molecules in an octahedral arrangement. The electronic structure of nearest neighbor hydration shell water molecules has been examined with a localized orbital analysis. The average dipole moments of hydration water molecules was found to be increased by about 0.4 Debye relative to that of pure water.
65 downloads since deposited on 27 Mar 2009
5 downloads since 12 months
|Item Type:||Journal Article, refereed, original work|
|Communities & Collections:||07 Faculty of Science > Department of Chemistry|
|Dewey Decimal Classification:||540 Chemistry|
|Deposited On:||27 Mar 2009 10:24|
|Last Modified:||05 Jun 2014 13:52|
|Publisher:||American Institute of Physics|
Users (please log in): suggest update or correction for this item
Repository Staff Only: item control page