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kangyipu: ½ð±Ò+2, ¡ï¡ï¡ïºÜÓаïÖú, ÓÐcifÎļþ×îºÃÁË 2014-06-17 12:57:06
data for   ICSD #40473
Coll Code   40473
Rec  Date   1999/06/02
Mod  Date   2005/10/01
Chem Name   Gadolinium Oxide
Structured  Gd2 O3
Sum         Gd2 O3
ANX         A2X3
D(calc)     7.62
Title       Structural change of C-type rare earth oxides, ytterbium oxide and
            erbium oxide at high temperatures
Author(s)   Saiki, A.;Ishizawa, N.;Mizutani, N.;Kato, M.
Reference   Yogyo Kyokai Shi (= Journal of the Ceramic Assoc. of Japan)
            (1985), 93, 649-654
            Journal of the Ceramic Society of Japan
            (1985), 93, 649-654
            Acta Crystallographica B (39,1983-)
            (1984), 40, 76-82
            Phase Transition
            (1992), 38, 127-220
Unit Cell   10.809(9) 10.809 10.809 90. 90. 90.
Vol         1262.86
Z           16
Space Group I a -3
SG Number   206
Cryst Sys   cubic
Pearson     cI80
Wyckoff     e d b
R Value     .042
Red Cell    I  9.360 9.360 9.360 109.471 109.471 109.471 631.432
Trans Red   0.500 0.500 -0.500 / -0.500 0.500 0.500 / 0.500 -0.500 0.500
Comments    Cell constant from 3rd reference
            Calculated from ion size (3rd reference): a=10.814, x(Gd2)=-
            .0286, xyz(O1)=.3841, .1463, .3806, D=7.614
            Bixbyite-type, for description in I213 cf. 33652
            Stable up to 1573 K (4th ref., Tomaszewski), from 1573 to
            2443 K: C2/m, from 2443 to 2473 K: P3-m1, from 2473 to
            2633: hexagonal, above cubic, m.p. 2670 K
            The structure has been assigned a PDF number (calculated
            powder diffraction data): 01-086-2477
            The structure has been assigned a PDF number (experimental
            powder diffraction data): 43-1014
            Structure type : Mn2O3
            X-ray diffraction from single crystal
Atom  #   OX   SITE      x           y           z           SOF      H        ITF(B)   
Gd   1  +3    8 b   0.25        0.25        0.25           1.         0            0.25
Gd   2  +3    24 d  -.03243     0           0.25           1.         0            0.21
O    1  -2    48 e  0.391       0.1518      0.3755         1.         0             0.5
*end for    ICSD #40473
2Â¥2014-06-16 19:32:27
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