Aurophilic attraction: The additivity and the combination with hydrogen bonds
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The coexistence of gold-gold contacts and hydrogen bonding is studied in the model system [H2P(OH)AuCl]2 and [H2P(OH)AuPH2(O)]2. The two interactions are found to be comparable. The possible non-additivity of the aurophilic, Au(I)-Au(I) interaction is studied at MP2 level for the pentagonal [Au(SH)2(AuSH)5)]- and hexagonal [Au(SH)2(AuSH)6]- clusters. The possibilities of 'mechanical cooperativity' between different aurophilic attractions and of Au...S attractions are also considered. © 2003 Published by Elsevier Science B.V.
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