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THE STRUCTURE OF Li2K(IO3)3 AND Li2NH4(IO3)3 CRYSTALS
Author(s) -
Jingkui Liang,
Wang Chao-Guo,
Che Guang-Can
Publication year - 1981
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.30.565
Subject(s) - monoclinic crystal system , crystallography , crystal structure , unit (ring theory) , space group , radius , materials science , diffraction , lattice (music) , chemistry , x ray crystallography , optics , physics , mathematics , computer science , mathematics education , computer security , acoustics
The crystal structure and the atomic parameters of Li2K(IO3)3 and Li2NH4(IO3)3 have been determined by means of the X-ray powder diffraction method. The Li2K(IO3)3 and Li2NH4(IO3)3 are isomorphic with Li2Rb(IO3)3. The unit cell is monoclinic. The space group is P21/α. There are four formula units per unit cell. Lattice parameters are α= 11.198?, b = 11.046?, c = 8.254?, β= 111.53° and α =11.327?, b = 11.078?, c = 8.341?,β = 111.87° respectively. The relation between formation of Li2M(IO3)3 compounds and Mionic radius has been discussed.

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