Calcite
      Elliott N
      Journal of the American Chemical Society 59 (1937) 1380-1382
      A Redetermination of the Carbon - Oxygen Distance in Calcite and the
      Nitrogen - Oxygen Distance in Sodium Nitrate
      _cod_database_code 1010928
      _database_code_amcsd 0017650

      CELL PARAMETERS:    6.3600   6.3600   6.3600   46.100   46.100   46.100
      SPACE GROUP: R3c       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    121.857
      Density (g/cm3):      2.727
      MAX. ABS. INTENSITY / VOLUME**2:      25.71974563    
      RIR:      3.071
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.12          9.99        3.8471    1   1   0         3
                29.49        100.00        3.0289    2   1   1         3
                31.54          2.51        2.8364    2   2   2         1
                36.07         13.38        2.4902    0  -1   1         6
                39.52         22.22        2.2802    2   1   0         6
                43.28         14.58        2.0905    2   0   0         3
                47.25          6.49        1.9236    2   2   0         3
                47.67         19.65        1.9079    3   3   2         3
                48.66         21.54        1.8713    3   2   1         6
                56.73          3.48        1.6228    0  -1   2         6
                57.57          9.02        1.6011    2  -1   1         6
                60.85          5.80        1.5223    3   1   0         6
                63.25          2.14        1.4703    3   2   0         6
                64.85          7.70        1.4377    1  -2   1         3
                76.51          1.09        1.2451    0  -2   2         6
                84.05          4.94        1.1516    3  -1   2         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.