Sylvine
      Ott H
      Zeitschrift fur Kristallographie 63 (1926) 222-230
      Die Strukturen von Mn O, Mn S, Ag F, Ni S, Sn I4, Sr Cl2, Ba F2,
      Praezisionsmessungen einiger Alkalihalogenide.
      _cod_database_code 1011127
      _database_code_amcsd 0018021

      CELL PARAMETERS:    6.2770   6.2770   6.2770   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    247.318
      Density (g/cm3):      2.002
      MAX. ABS. INTENSITY / VOLUME**2:      35.61067383    
      RIR:      5.792
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.44        100.00        3.1385    2   0   0         6
                40.65         63.43        2.2193    2   2   0        12
                50.36         19.47        1.8120    2   2   2         8
                58.85          8.07        1.5692    4   0   0         6
                66.63         20.08        1.4036    4   2   0        24
                73.98         13.68        1.2813    4   2   2        24
                88.02          3.96        1.1096    4   4   0        12
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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.