Electron diffraction investigation of gaseous perchloryl fluoride and calculation of its force field and amplitudes of vibration

Abstract
The electron diffraction pattern from gaseous perchloryl fluoride at –30° has been recorded over the range = 0·86 to 40·42 Å–1. Least-squares refinement gave the structural parameters: rg(1) for Cl–O 1·404(2)Å, rg(1) for Cl–F 1·619(4)Å, ∠OClO 116·6°(0·50), uClO 0·036(2)Å, uClF 0·040(4)Å,uOO 0·049(7)Å and uOF 0·064(6)Å. The vibrational amplitudes obtained are in agreement with the values calculated from spectroscopic data.

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