COL  ICSD Collection Code 29441
 DATE Recorded Jan 24, 1985; updated Jan 29, 1985
 NAME Barium aluminium oxide (.75/11/17.25)
 FORM Ba.75 Al11 O17.25
      = Al11 Ba.75 O17.25
 TITL The Structure of Barium Aluminate, Ba.75 Al11 O17.25
 REF  Acta Crystallographica C (39,1983-)
      ACSCE 40 (1984) 1124-1127
 AUT  Berkel F P F !van, Zandbergen˙H˙W, Verschoor˙G˙C, Ijdo˙D˙J˙W
 CELL a=5.582 b=5.582 c=22.715 ŕ=90.0 á=90.0 ç=120.0
      V=612.9 Z=2
 SGR  P 63/m m c    (194) - hexagonal
 CLAS 6/mmm (Hermann-Mauguin) - D6h (Schoenflies)
 PRS  hP58
 ANX  AB11X17
 PARM Atom__No OxStat  Wyck ---X--- ---Y--- ---Z---  -SOF-
      Ba     1  2.000    2d  1/3     2/3     3/4       0.75
      Al     1  3.000    2a  0.      0.      0.
      Al     2  3.000    4f  1/3     2/3     0.0235
      Al     3  3.000   12k  0.1676  0.3351 -0.1046    0.9167
      Al     4  3.000    4f  1/3     2/3     0.1756
      Al     5  3.000   12k  0.8453  0.6906  0.178     0.0833
      O      1 -2.000    4e  0.      0.      0.1413
      O      2 -2.000    4f  1/3     2/3    -0.0554
      O      3 -2.000    2c  1/3     2/3     1/4
      O      4 -2.000   12k  0.1582  0.3164  0.0495
      O      5 -2.000   12k  0.5036  0.0073  0.1474
      O      6 -2.000    6h  0.8855  0.771   1/4       0.0833
 WYCK k4 h f3 e d c a
 ITF  Ba  1   B=1.12(2)
 ITF  Al  1   B=0.44(5)
 ITF  Al  2   B=0.47(3)
 ITF  Al  3   B=0.51(3)
 ITF  Al  4   B=0.77(3)
 ITF  Al  5   B=0.5(3)
 ITF  O   1   B=0.50(7)
 ITF  O   2   B=0.27(7)
 ITF  O   3   B=5.15(27)
 ITF  O   4   B=0.59(6)
 ITF  O   5   B=0.67(6)
 ITF  O   6   B=1.3(13)
 REM  TEM 293
 RVAL 0.025