A PRELIMINARY SURVEY OF SOME FLUORIDE COMPOUNDS - II | Zendy

Lawrence A. Harris | Zendy

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A PRELIMINARY SURVEY OF SOME FLUORIDE COMPOUNDS - II

Author(s) -

Lawrence A. Harris

Publication year - 1958

Language(s) - English

Resource type - Reports

DOI - 10.2172/1068849

Subject(s) - crystallography , hexagonal crystal system , fluoride , unit (ring theory) , chemistry , analytical chemistry (journal) , materials science , mineralogy , inorganic chemistry , mathematics , organic chemistry , mathematics education

These two parts were issued separately, but are cataloged as a unit. The two compounds Na/sub 4/U/sub 3/F/sub 17/ and Na/sub 3/Th/sub 2/F/sub 11/ were found to have a face-centered cubic structure. From parameter dimensions and intensity values these two compounds appear to be isomorphous. Na/sub 5/U/sub 3/F/sub 17/ has an identical cell size with alpha -Na/sub 2//UF/sub 6/. A group of three compounds (Rb/sub 2/ThF/sub Rb/sub 2/ZrF/sub 6/, and CsZrF/sub 6/) were reliably identified as being uniaxial by use of their optical properties. These compounds were tentatively indexed on the basis of data obtained from powder x-ray spectrometer patterns found to best fit a hexagonal unit cell. (W.L.H.

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