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Free keywords:
diazenides; inelastic neutron spectroscopy; nitrides; vibrational spectroscopy
Abstract:
Birds in a cage: The highly absorbent nitrogen-rich compounds SrN and SrN2 hide their secrets from Raman scattering experiments, but when observed using inelastic neutron scattering, the dinitrogen can be shown to lie trapped within a cage of strontium atoms. Such a structure is shown in the graphic for SrN2, in which the dumbbell-shaped dinitrogen can be clearly identified.