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*data for   ICSD #79800
Coll Code   79800
Rec  Date   1996/10/14
Chem Name   Potassium Hydrogen Titanium Oxide Hydrate (0.5/0.2/1.8/4/0.7)
Structured  K0.48 H0.22 Ti1.825 O4 (H2 O)0.52
Sum         H1.26 K0.48 O4.52 Ti1.825
ANX         AB4X9
D(calc)     2.95
Title       Preparation and acid-base properties of a protonated titanate with
            the lepidocrocite-like layer structure
Author(s)   Sasaki, T.;Watanabe, M.;Michiue, Y.;Komatsu, Y.;Izumi, F.;Takenouchi,
            S.
Reference   Chemistry of Materials (1,1989-
            (1995), 7, 1001-1007
Unit Cell   3.7896(8) 17.9080(40) 2.9854(6) 90. 90. 90.
Vol         202.6
Z           2
Space Group I m m m
SG Number   71
Cryst Sys   orthorhombic
Pearson     oI16
Wyckoff     i h g2
R Value     .036
Red Cell    I  2.985 3.789 9.273 101.790 99.263 89.999 101.301
Trans Red   0.000 0.000 -1.000 / 1.000 0.000 0.000 / -0.500 -0.500 0.500
Comments    formula and O occupation inconsistent
            Total SOF on at least one site differs from unity (SOF <
            0.997 resp. SOF > 1.003)
            The structure has been assigned a PDF number (calculated
            powder diffraction data): 01-083-0703
            Rietveld profile refinement applied
            X-ray diffraction (powder)
            At least one temperature factor is implausible or
            meaningless but agrees with the value given in the paper.
            Position of 3 Elements of H Are Undetermined.
Atom  #   OX   SITE      x           y           z           SOF      H        ITF(B)   
K    1  +1    4 i   0           0           0.29(1)        0.24       0         12.1(7)
O    1  -2    4 i   0           0           0.29(1)        0.26       0         12.1(7)
Ti   1  +4    4 h   0           0.3105(8)   0.5            0.9125     0          0.4(4)
O    2  -2    4 g   0           0.217(2)    0              1.         0          0.8(7)
O    3  -2    4 g   0           0.362(2)    0              1.         0          0.8(7)
*end for    ICSD #79800
2Â¥2012-05-29 10:04:27
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3Â¥2012-05-29 12:49:39
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5Â¥2012-05-29 13:44:20
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8Â¥2012-05-29 13:50:50
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Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

Title       Preparation and acid-base properties of a protonated titanate with
            the lepidocrocite-like layer structure
Author(s)   Sasaki, T.;Watanabe, M.;Michiue, Y.;Komatsu, Y.;Izumi, F.;Takenouchi,
            S.
Reference   Chemistry of Materials (1,1989-
            (1995), 7, 1001-1007
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9Â¥2012-05-29 13:58:24
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lijunjie84: ½ð±Ò+1 2012-05-29 15:00:30
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