31P solid-state NMR spectroscopy
is a powerful tool to get structural information about the environment
of the phosphorus atoms in zinc phosphonates. In a series of
various known structures taken as reference, the connectivity of the
RPO3 groups (i.e., the number of zinc atoms
bonded to each of the three oxygen atoms of the phosphonate units) can
be differentiated on the basis of the value of the chemical shift
asymmetry and anisotropy.
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