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Title: The structure of phosphacymantrene
Authors: Khetrapal, C.L.
Kunwar, A.C.
Mathey, F.
Issue Date: Nov-1979
Publisher: Elsevier B.V.
Citation: Journal of Organometallic Chemistry, 1979, Vol.181, p349-353
Abstract: Proton NMR spectra of phosphacymantrene (π-phospholyl manganese tricarbonyl) orientated in the nematic phases of liquid crystals have been investigated. The derived H-H and H-P direct dipolar coupling constants have been used to determine the relative proton-proton and proton-phosphorus distances. A comparison of the geometrical data of various 5-membered aromatic heterocycles shows that the relative distances between the protons closest to the heteroatom increase with the van der Waals radius of the heteroatom. The results suggest that NMR spectroscopy of orientated molecules can be used to determine van der Waals radii.
Description: Restricted Access.
ISSN: 0022-328X
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Copyright: 1979 Elsevier B.V.
Appears in Collections:Research Papers (SCM)

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