Amorphous Solid Water: A Neutron Diffraction Study

Jack Wenzel, C. U. Linderstrøm-Lang, Stuart A. Rice

    Research output: Contribution to journalJournal articleResearchpeer-review


    The structure factor of amorphous solid D2O deposited from the vapor at 10°K has been obtained by measuring the neutron diffraction spectrum in the wave vector transfer from 0.8 to 12.3 reciprocal angstroms. The results indicate that the phase investigated is amorphous and has a liquiid-like structure factor. The Fourier-transformed structure e factor yields a real space pair distribution function consistent with local tetrahedral coordination and hydrogen bonding, as in other condensed phases of water. The intramolecular OD separation is 1.00 angstrom; the lack of data for very large wave vector transfer and the expected near equality of the intramolecular DD separation and intermolecular O . . . D separation make it impossible to determine the intramolecular DOD angle with precision. The neutron scattering data presented are complementary to the x-ray diffraction studies of Venkatesh, Rice, antd Narten.
    Original languageEnglish
    Issue number4175
    Pages (from-to)428-430
    Publication statusPublished - 1975


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