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Ota, Yukihiro; Ruiz-Barragan, S.*; Machida, Masahiko; Shiga, Motoyuki
Chemical Physics Letters, 648, p.119 - 123, 2016/03
Times Cited Count:5 Percentile:19.17(Chemistry, Physical)We developed an interface program between a program suite for an automated search of chemical reaction pathways, GRRM, and a program package of semiempirical methods, MOPAC. A two-step structural search is proposed as an application of this interface program. A screening test is first performed by semiempirical calculations. Subsequently, a reoptimization procedure is done by ab initio or density functional calculations. We apply this approach to ion adsorption on cellulose. The computational efficiency is also shown for a GRRM search. The interface program is suitable for the structural search of large molecular systems for which semiempirical methods are applicable.
Miyazaki, Yasunori; Sano, Yuichi; Takeuchi, Masayuki; Hoshino, Masamitsu*; Gejo, Tatsuo*; Adachi, Junichi*
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