Abstract
The molecular and crystal structure of the adduct NF3⋅BF3 was studied computationally using density functional theory. It shows that the adduct exists in the form of a complex but is not ionic. The heats of formation in the gas and the condensed phase of the adduct are −1266.09 and −1276.37 kJ ⋅mol−1, respectively, which indicates that it is stable under atmospheric conditions. The crystal form belongs to P21/c space group. The calculated large band gap (ΔE g) of the crystal proves that it is stable. The conduction band (LUCO) is mainly contributed by the p orbital of N atom and the valence band (HOCO) from the p orbital of F atom.
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Acknowledgements
This work was supported by Research and development Foundation (2012FR057, 2013FR019 and 2013FK026) of Zhejiang A & F University.
We are grateful for the technical support and computer time at the Sugon server of the computer centre of Nanjing University of Science & Technology.
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DU, H. Theoretical study on the molecular and crystal structures of nitrogen trifluoride and its adduct with BF3 . J Chem Sci 127, 1491–1496 (2015). https://doi.org/10.1007/s12039-015-0857-3
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DOI: https://doi.org/10.1007/s12039-015-0857-3