title: Unusual hydrogen bonding behavior in binary complexes of coinage metal anions with water.
abstract: We have studied the interaction of atomic coinage metal anions with water molecules by infrared photodissociation spectroscopy of M-.H2O.Ar(n) clusters (M=Cu, Ag, Au; n=1, 2). We compare our observations with calculations on density-functional and coupled cluster levels of theory. The gold anion is bound to the water molecule by a single ionic hydrogen bond, similar to the halide-water complexes. In contrast, zero-point motion in the silver and copper complexes leads to a deviation from this motif.
authors.affiliation: Institut für Physikalische Chemie, Universität Karlsruhe, D-76128 Karlsruhe, Germany.
authors.forename: Holger
authors.initials: H
authors.lastname: Schneider
authors.forename: A Daniel
authors.initials: AD
authors.lastname: Boese
authors.forename: J Mathias
authors.initials: JM
authors.lastname: Weber