期刊
PHYSICAL REVIEW LETTERS
卷 108, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.236104
关键词
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资金
- MICINN [FIS2010-15127]
- CAM program NANOBIOMAGNET [S2009/MAT1726]
- Division of Chemical Sciences, Office of Basic Energy Sciences, Office of Energy Research, U. S. Department of Energy [DE-FG02-87ER13744]
- Nationale Computerfaciliteiten (NCF)
- Chemical Sciences (CW) of NWO
Ab initio molecular dynamics (AIMD) calculations using the specific reaction parameter approach to density functional theory are presented for the reaction of D-2 on Cu(111) at high surface temperature (T-S = 925 K). The focus is on the dependence of reaction on the alignment of the molecule's angular momentum relative to the surface. For the two rovibrational states for which measured energy resolved rotational quadrupole alignment parameters are available, and for the energies for which statistically accurate rotational quadrupole alignment parameters could be computed, statistically significant results of our AIMD calculations are that, on average, (i) including the effect of the experimental surface temperature (925 K) in the AIMD simulations leads to decreased rotational quadrupole alignment parameters, and (ii) including this effect leads to increased agreement with experiment.
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