<> "The repository administrator has not yet configured an RDF license."^^ . <> . . . "Analytical gradient for geometry optimizations of (H2 O)n^- clusters as described by the PM1 polarizable model"^^ . "Expressions for the analytical gradients of the PM1 polarization model for describing the interaction of excess electrons with water clusters are reported. For the (H2 O)45- cluster, evaluation of the gradient by use of the analytical expressions lead to a factor of five speedup over numerical evaluation of the gradient. © 2008 Elsevier B.V. All rights reserved."^^ . "2008-10-23" . . "464" . "4-6" . . "Chemical Physics Letters"^^ . . . "00092614" . . . . . . . . . . "TH"^^ . "Choi"^^ . "TH Choi"^^ . . "KD"^^ . "Jordan"^^ . "KD Jordan"^^ . . . . . . "Analytical gradient for geometry optimizations of (H2 O)n^- clusters as described by the PM1 polarizable model (Plain Text)"^^ . . . "licence.txt"^^ . . . "Analytical gradient for geometry optimizations of (H2 O)n^- clusters as described by the PM1 polarizable model (Other)"^^ . . . . . . "indexcodes.txt"^^ . . "HTML Summary of #18397 \n\nAnalytical gradient for geometry optimizations of (H<inf>2</inf> O)<inf>n</inf>^- clusters as described by the PM1 polarizable model\n\n" . "text/html" . .