Matrix Isolation ESR and Theoretical Study of ZnN

Thomas S. Hearne, Sally A. Yates, Duncan A. Wild, Allan J. McKinley

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The (ZnN)-N-14, (ZnN)-Zn-67-N-14, (ZnN)-N-15, and (6)7Zn(15)N radicals have been formed by the reaction of a plume of zinc metal produced with laser ablation and either ammonia vapor or nitrogen atoms isolated in an inert neon matrix at 4.3 K. The ground electronic state of ZnN was determined to be (4)Sigma(-) using electron spin resonance spectroscopy. The following magnetic parameters were determined experimentally for ZnN: g(perpendicular to) = 1.9998(3), g(parallel to) = 2.0018(3), vertical bar D vertical bar = 7268(8) MHz, A(perpendicular to)(N-14) =-17.9(20) MHz, A(parallel to)(14N) = 1.5(20) MHz, A(parallel to)(15N) = 25.1(20) MHz, A(parallel to)(N-15)=-2.0(20) MHz, A(perpendicular to) (Zn-67) = 156(3) MHz, and A(parallel to)(Zn-67) = 168(12) MHz. The low-lying electronic states of ZnN were also investigated using the complete active space self-consistent field technique. By plotting the potential energy surface, theoretical parameters for the ground state with a configuration of 8 sigma(2)9 sigma(2)10 sigma(1)4 pi(2) were determined, including r(e) = 2.079 angstrom and D-e = 1.0 kcal/mol.

Original languageEnglish
Pages (from-to)3709-3717
Number of pages9
JournalJournal of Physical Chemistry A
Issue number17
Publication statusPublished - 2 May 2019


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