Massicot
      Hill R J
      Acta Crystallographica C41 (1985) 1281-1284
      Refinement of the structure of orthorhombic PbO (massicot) by
      Rietveld analysis of neutron powder diffraction data
      Locality: synthetic: Merck "pro analyse" (batch number 0093820)
      _database_code_amcsd 0010011

      CELL PARAMETERS:    5.8931   5.4904   4.7528   90.000   90.000   90.000
      SPACE GROUP: Pbcm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    153.779
      Density (g/cm3):      9.639
      MAX. ABS. INTENSITY / VOLUME**2:      679.2876635    
      RIR:     22.946
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.03          4.99        5.8931    1   0   0         2
                22.13          1.36        4.0171    1   1   0         4
                29.11        100.00        3.0680    1   1   1         8
                30.33         24.52        2.9465    2   0   0         2
                32.62         22.09        2.7452    0   2   0         2
                37.86         16.21        2.3764    0   0   2         2
                39.55          1.72        2.2785    2   1   1         8
                45.14         15.26        2.0086    2   2   0         4
                46.21          1.44        1.9644    3   0   0         2
                49.26         11.99        1.8498    2   0   2         4
                50.82         11.80        1.7967    0   2   2         4
                53.14         18.09        1.7236    3   1   1         8
                56.06         15.78        1.6404    1   3   1         8
                57.71          1.15        1.5975    3   2   0         4
                60.34         11.97        1.5340    2   2   2         8
                61.22          1.11        1.5141    3   0   2         4
                63.08         10.11        1.4738    1   1   3         8
                63.10          1.85        1.4733    4   0   0         2
                68.34          1.80        1.3726    0   4   0         2
                68.88          1.88        1.3632    4   1   1         8
                71.11          1.13        1.3258    3   2   2         8
                72.86          2.45        1.2981    4   2   0         4
                73.47          5.46        1.2889    3   3   1         8
                76.00          2.03        1.2522    4   0   2         4
                76.57          2.51        1.2442    2   4   0         4
                79.69          4.72        1.2032    3   1   3         8
                80.87          2.13        1.1886    0   4   2         4
                80.90          1.38        1.1882    0   0   4         2
                82.11          4.55        1.1738    1   3   3         8
                85.17          3.08        1.1392    4   2   2         8
                87.00          2.88        1.1199    5   1   1         8
                88.76          3.32        1.1023    2   4   2         8
                88.79          1.85        1.1020    2   0   4         4
                89.98          1.92        1.0904    0   2   4         4
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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.