Infrared spectra and electronic structure calculations for the NUN(NN) 1-5 and NU(NN)1-6 complexes in solid argon

Lester Andrews, Xuefeng Wang, Yu Gong, Bess Vlaisavljevich, Laura Gagliardi

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15 Scopus citations

Abstract

Reactions of laser-ablated U atoms with N2 molecules in excess argon during co-deposition at 4 K gave intense NUN and weaker UN absorptions. Annealing increased progressions of new absorptions for the NUN(NN) 1,2,3,4,5 and NU(NN)1,2,3,4,5,6 uranium nitride complexes. Small matrix shifts are observed when the secondary coordination layers around the primary NUN(NN)1,2,3,4,5 and NU(NN)1,2,3,4,5,6 complexes are changed from argon to nitrogen. Electronic structure and energy and frequency calculations provide support for the identification of these complexes and further characterization of the Nî - Uî - N and Uî - N core molecules as terminal uranium nitrides with full triple bonds.

Original languageEnglish (US)
Pages (from-to)9989-9993
Number of pages5
JournalInorganic Chemistry
Volume52
Issue number17
DOIs
StatePublished - Sep 2 2013

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