COL  ICSD Collection Code 62993
 DATE Recorded Jun 19, 1989; updated Nov 10, 1997
 NAME Zirconium dioxide
 MINR Baddeleyite
 FORM Zr O2
      = O2 Zr
 TITL Structures of the Zr O2 polymorphs at room temperature by high 
      resolution neutron powder diffraction.
 REF  Acta Crystallographica B (39,1983-)
      ASBSD 44 (1988) 116-120
 AUT  Howard C J, Hill˙R˙J, Reichert˙B˙E
 CELL a=5.150 b=5.212 c=5.317 ŕ=90.0 á=99.2 ç=90.0
      V=140.9 Z=4
 SGR  P 1 21/c 1    (14) - monoclinic
 CLAS 2/m   (Hermann-Mauguin) - C2h (Schoenflies)
 PRS  mP12
 ANX  AX2
 PARM Atom__No OxStat  Wyck ---X--- ---Y--- ---Z---  -SOF-
      Zr     1  4.000    4e  0.2754  0.0395  0.2083
      O      1 -2.000    4e  0.07    0.3317  0.3447
      O      2 -2.000    4e  0.4496  0.7569  0.4792
 WYCK e3
 ITF  Zr  1   B=0.33(2)
 ITF  O   1   B=0.55(2)
 ITF  O   2   B=0.46(2)
 REM  NDP (neutron diffraction from a powder)
 REM  F Temperature factors for all atoms as B eq.
 REM  F Rwp is .0466, Rb is .0195
 REM  M PDF 37-1484
 TEST No R value given in the paper. (Code 51)