COL  ICSD Collection Code 38308
 DATE Recorded Dec 31, 1984; updated Nov 10, 1997
 NAME Iron carbide
 MINR Cohenite - synthetic
 MINR (Cementite)
 FORM Fe3 C
      = C Fe3
 TITL Etudes structurales de composes de type cementite: effet de 
      l'hydrogene sur Fe3 C suivi par diffraction neutronique 
      Spectrometrie moessbauer sur Fe Co2 B et Co3 B dopes au 57Fe
 REF  Journal of Solid State Chemistry
      JSSCB 51 (1984) 246-252
 AUT  Fruchart D, Chaudouet’P, Fruchart’R, Rouault’A, Senateur’J’P
 CELL a=5.092 b=6.741 c=4.527 ą=90.0 į=90.0 ē=90.0
      V=155.4 Z=4
 SGR  P n m a       (62) - orthorhombic
 CLAS mmm   (Hermann-Mauguin) - D2h (Schoenflies)
 PRS  oP16
 ANX  NO3
 PARM Atom__No OxStat  Wyck ---X--- ---Y--- ---Z---  -SOF-
      Fe     1  0.000    8d  0.1834  0.0689  0.3344
      Fe     2  0.000    4c  0.0388  1/4     0.8422
      C      1  0.000    4c  0.8764  1/4     0.4426
 WYCK d c2
 ITF  Fe  1   B=0.43(2)
 ITF  Fe  2   B=1.0(3)
 ITF  C   1   B=0.9(2)
 REM  NDP (neutron diffraction from a powder)
 REM  M PDF 34-1
 REM  TEM 498 (15 K above Curie point)
 REM  M Lattice constants at RT. At 498 K about 4.54, 6.765, 5.10
 TEST No R value given in the paper. (Code 51)