COL  ICSD Collection Code 100384
 DATE Recorded Jan 1, 1980; updated May 26, 1987
 NAME Pentapotassium undecaniobium digermanium oxide
 FORM K10 Nb22 Ge4 O68
      = Ge4 K10 Nb22 O68
 TITL Nouvelles phases multiples obtenues par intercroissance des 
      reseaux "M6X4O26" et "M8O21": les oxydes K10 (M8 O21)2 * M6 X4 O26 
      (M=Nb,Ta)(X=Ge,Si)
 REF  Materials Research Bulletin
      MRBUA 12 (1977) 621-627
 AUT  Choisnet J, Hervieu˙M, Groult˙D, Raveau˙B
 CELL a=9.112 b=9.112 c=20.010 ŕ=90.0 á=90.0 ç=120.0
      V=1438.8 D=4.43 Z=1
 SGR  P -6 2 m      (189) - hexagonal
 CLAS -6m2  (Hermann-Mauguin) - D3h (Schoenflies)
 PRS  hP104
 ANX  A5B2C11X34
 PARM Atom__No OxStat  Wyck ---X--- ---Y--- ---Z---  -SOF-
      K      1  1.000    3f  0.344   0.      0.        0.833
      K      2  1.000    6i  0.598   0.      0.297     0.833
      K      3  1.000    3g  0.547   0.      1/2       0.833
      Nb     1  5.000    6i  0.744   0.      0.09
      Nb     2  5.000    6i  0.251   0.      0.215
      Nb     3  5.000    6i  0.234   0.      0.403
      Nb     4  5.000    4h  1/3     2/3     0.149
      Ge     1  4.000    4h  1/3     2/3     0.41
      O      1 -2.000    3f  0.79    0.      0.
      O      2 -2.000    6i  0.179   0.      0.106
      O      3 -2.000   12l  0.822   0.509   0.092
      O      4 -2.000   12l  0.182   0.502   0.209
      O      5 -2.000    6i  0.795   0.      0.193
      O      6 -2.000    6i  0.202   0.      0.31
      O      7 -2.000   12l  0.206   0.483   0.367
      O      8 -2.000    3g  0.252   0.      1/2
      O      9 -2.000    6i  0.799   0.      0.412
      O     10 -2.000    2d  1/3     2/3     1/2
 WYCK l3 i8 h2 g2 f2 d
 ITF  K   1   B=0.4
 ITF  K   2   B=0.8
 ITF  K   3   B=3.2
 ITF  Nb  1   B=2.1
 ITF  Nb  2   B=0.1
 ITF  Nb  3   B=2.
 ITF  Nb  4   B=0.1
 ITF  Ge  1   B=1.5
 ITF  O   1   B=0.1
 ITF  O   2   B=0.1
 ITF  O   3   B=0.1
 ITF  O   4   B=0.1
 ITF  O   5   B=2.8
 ITF  O   6   B=2.4
 ITF  O   7   B=1.1
 ITF  O   8   B=0.1
 ITF  O   9   B=0.1
 ITF  O  10   B=0.1
 REM  XDP (X-ray diffraction from a powder)
 RVAL 0.089
 TEST At least one temperature factor is implausible or meaningless but 
      agrees with the value given in the paper. (Code 52)