 COL  ICSD Collection Code 24830
 NAME Iron(III) magnesium oxide (2.96/0.04/4)
 MINR Magnetite - from Iron County, Utah
 FORM Mg.04 Fe2.96 O4
      = Fe2.96 Mg.04 O4
 TITL The Structure of Magnetite: Defect Structure II
 REF  Acta Crystallographica B (24,1968-38,1982)
      ACBCA 38 (1982) 1718-1723
 AUT  Fleet M E
 CELL a=8.393(1) b=8.393(1) c=8.393(1) =90.0 =90.0 =90.0
      V=591.2 Z=8
 SGR  F d -3 m Z    (227) - cubic
 CLAS m-3m  (Hermann-Mauguin) - Oh  (Schoenflies)
 PRS  cF56
 ANX  AB2X4
 PARM Atom__No OxStat  Wyck -----X----- -----Y----- -----Z-----  -SOF-
      Mg     1  2.000    8a  1/8         1/8         1/8         0.013
      Mg     2  2.000   16d  1/2         1/2         1/2         0.013
      Fe     1  3.000    8a  1/8         1/8         1/8         0.918
      Fe     2  2.500   16d  1/2         1/2         1/2         0.94
      Fe     3  3.000   48f  3/8         1/8         1/8         0.01
      Fe     4  2.500   96h  0           0.0179(14)  0.9821(14)  0.007
      O      1 -2.000   32e  0.2547(1)   0.2547(1)   0.2547(1)
 WYCK h f e d a

 TF   Atom   B(1,1)  B(2,2)  B(3,3)  B(1,2)  B(1,3)  B(2,3)
      Mg 1    0.3420  0.3420  0.3420  0.0000  0.0000  0.0000
               (170)   (170)   (170)
      Mg 2    0.4560  0.4560  0.4560  0.0270  0.0270  0.0270
               (120)   (120)   (120)    (50)    (50)    (50)
      Fe 1    0.3420  0.3420  0.3420  0.0000  0.0000  0.0000
               (170)   (170)   (170)
      Fe 2    0.4560  0.4560  0.4560  0.0270  0.0270  0.0270
               (120)   (120)   (120)    (50)    (50)    (50)
      Fe 3    0.3420  0.3420  0.3420  0.0000  0.0000  0.0000
               (170)   (170)   (170)
      Fe 4    0.4560  0.4560  0.4560  0.0270  0.0270  0.0270
               (120)   (120)   (120)    (50)    (50)    (50)
      O  1    0.5940  0.5940  0.5940  0.0830  0.0830  0.0830
               (300)   (300)   (300)   (200)   (200)   (200)
 RVAL 0.032
 TEST At least one temperature factor is implausible or meaningless but 
      agrees with the value given in the paper. (Code 52)
