A novel, compact and sensitive SE-LIAD/TOF-MS has been described. It facilitates the fast sample preparation and a full mass spectrum acquired efficiently and sensitively. More importantly, it features detection of...
It has been established that the noble-metal-H analogue has been found in a large number of noble-metalligand clusters in view of geometric and electronic structures. Here, we demonstrated a different view of noblemetal-H analogue between noble-metal and hydrogen in M(SCH 3 ) 2 À (M ¼ Cu, Ag, Au and H) systems. Although H(SCH 3 ) 2 À is a typical ion-hydrogen bonding cluster dramatically different from the chemical bonding clusters of M(SCH 3 ) 2 À (M ¼ Cu, Ag and Au), the comparison of the two typical bonding patterns has not yet been fully investigated. Through a series of chemical bonding analyses, it is indicated that the evolution has been exhibited from typical ionic bonding in Cu(SCH 3 ) 2 À to a significant covalent bonding nature in Au(SCH 3 ) 2 À and hydrogen bonding dominating in H(SCH 3 ) 2 À . The comparison of M(SCH 3 ) 2 À (M ¼ Cu, Ag and Au) with H(SCH 3 ) 2 À illustrates the differences in bonding between noble metals and hydrogen, which are mainly related to their diverse atomic orbitals participating in chemical bonding.
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