Wustite
      Fjellvag H, Gronvold F, Stolen S, Hauback B C
      Journal of Solid State Chemistry 124 (1996) 52-57
      On the crystallographic and magnetic structures of
      nearly stoichiometric iron monoxide
      Locality: synthetic
      Note: low-temperature polymorph
      Sample: Single-Phase Fe0.925O, T = 12 K
      _database_code_amcsd 0013898

      CELL PARAMETERS:    6.0730   6.0730   6.0730   59.920   59.920   59.920
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    158.091
      Density (g/cm3):      5.684
      MAX. ABS. INTENSITY / VOLUME**2:      76.41938380    
      RIR:      4.377
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                36.21         16.03        2.4808    2   2   2         2
                36.27         47.88        2.4768    2   0   0         6
                42.11        100.00        2.1458    2   2   0         6
                61.03         32.00        1.5182    4   2   2         6
                61.11         31.84        1.5164    0  -2   2         6
                73.07          3.64        1.2950    4   2   4         6
                73.14          5.44        1.2938    4   0   2         6
                73.14          5.44        1.2938    4   2   0         6
                73.18          5.43        1.2933    2  -2   2         6
                77.00         10.91        1.2384    4   0   0         6
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.