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JOE P. HARRIS, TIMOTHY G. WRIGHT AND DANIEL R. MANSHIP, School of Chemistry, University Park, University of Nottingham, NG7 2RD, United Kingdom.
The beryllium hydride (Be\textperiodcentered \textperiodcentered \textperiodcentered H)\textsuperscript- dimer has recently been shown to be surprisingly strongly bound, with an electronic structure which is highly dependent on internuclear separation. At the equilibrium distance, the negative charge is to be found on the beryllium atom, despite the higher electronegativity of the hydrogen. The current study expands this investigation to the other Group 2 hydrides, and attempts to explain these effects.