Generation and Identification of the Linear OCBNO and OBNCO Molecules with 24 Valence Electrons

Guohai Deng, Sudip Pan, Jiaye Jin, Guanjun Wang, Lili Zhao, Mingfei Zhou, Gernot Frenking

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8 Scopus citations

Abstract

Two structural isomers containing five second-row element atoms with 24 valence electrons were generated and identified by matrix-isolation IR spectroscopy and quantum chemical calculations. The OCBNO complex, which is produced by the reaction of boron atoms with mixtures of carbon monoxide and nitric oxide in solid neon, rearranges to the more stable OBNCO isomer on UV excitation. Bonding analysis indicates that the OCBNO complex is best described by the bonding interactions between a triplet-state boron cation with an electron configuration of (2s)0(2pσ)0(2pπ)2 and the CO/NO ligands in the triplet state forming two degenerate electron-sharing π bonds and two ligand-to-boron dative σ bonds.

Original languageEnglish
Pages (from-to)412-418
Number of pages7
JournalChemistry - A European Journal
Volume27
Issue number1
DOIs
StatePublished - 4 Jan 2021

Keywords

  • IR spectroscopy
  • ab initio calculations
  • bonding analysis
  • boron
  • matrix isolation

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