New predictions on the sticking of HCl to ice at hyperthermal energies

被引:35
作者
Al-Halabi, A
Kleyn, AW
Kroes, GJ
机构
[1] Leiden Univ, Leiden Inst Chem, Gorlaeus Labs, NL-2300 RA Leiden, Netherlands
[2] FOM, Inst Atom & Mol Phys, NL-1098 SJ Amsterdam, Netherlands
关键词
D O I
10.1016/S0009-2614(99)00538-2
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
Hexagonal ice (I-h) is a molecular crystal with an unusually open structure, with shafts running perpendicular to the basal plane (0001) surface. As a result, the (0001) face can be penetrated by small molecules at collision energies (1 eV) which are more than an order of magnitude lower than those for which penetration of metallic or covalently bonded crystals, by atoms, becomes possible. This is demonstrated theoretically in calculations on HCl + ice. This prediction can be tested by molecular beam experiments on scattering of HCl from clean and adsorbate covered ice. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:505 / 510
页数:6
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