Diphenylberyllium: electron impact and calorimetric studies
Abstract
Diphenylberyllium, at 200–240 °C, produces parent trimer- and monomer-ions (Ph6Be3+˙ and Ph2Be+˙) in a mass spectrometer, with A(Ph2Be+˙)= 9·2 ± 0·1 and A(PhBe+)= 13·4 ± 0·2 eV. Acid hydrolysis leads to ΔHf°Ph2Be(s)= 153·1 ± 2·5 kJ mol–1.
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