Deuterium Positions in Lanthanum Deuteroxide by Neutron Diffraction

Abstract
The deuterium positions in La(OD)3 have been determined by the neutron diffraction method. No hydrogen bonding was found in this structure. The close packing structure around the deuterium atom is characterized by the average distances of D—D = 2.29 A and D—O = 2.74 A. The infrared absorption spectra of La(OD)3 and La(OH)3 are briefly discussed.

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