Gas-phase molecular structure of bis(difluorophosphino)amine, determined by electron diffraction
- 1 January 1980
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 6,p. 954-957
- https://doi.org/10.1039/dt9800000954
Abstract
The molecular geometry of bis(difluorophosphino)amine, NH(PF2)2, in the gas phase has been studied by electron diffraction. Principal parameters are: ra(P–F) 158.4(3), ra(P–N) 168.4(8) pm; FPF 95.6(10), FPN 98.3(7), and PN P 122.1(7)°. Two conformers are present in the vapour at room temperature. The predominant form (72%) has almost C2v symmetry, but the PF2 groups are twisted 5°away from most symmetrical positions. In the less abundant form, one PF2, group is twisted by 60° from the C2v position but the other only by 5°.Keywords
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