H3 P
      Natta G, Casazza E
      Gazzetta Chimica Italiana 60 (1930) 851-859
      La struttura dell'idrogeno fosforato (P H3) e dell'idrogeno arsenicale (As H3)
      _cod_database_code 1010132
      _database_code_amcsd 0017062

      CELL PARAMETERS:    6.3100   6.3100   6.3100   90.000   90.000   90.000
      SPACE GROUP: P4_232    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    251.240
      Density (g/cm3):      0.899
      MAX. ABS. INTENSITY / VOLUME**2:      11.98166707    
      RIR:      4.341
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.43        100.00        3.6431    1   1   1         8
                28.29         42.54        3.1550    2   0   0         6
                40.43         31.82        2.2309    2   2   0        12
                47.81         38.15        1.9025    3   1   1        24
                50.08         12.40        1.8215    2   2   2         8
                58.51          5.43        1.5775    4   0   0         6
                64.36         14.54        1.4476    3   3   1        24
                66.24         13.14        1.4110    4   2   0        24
                73.53          9.17        1.2880    4   2   2        24
                78.82          7.91        1.2144    5   1   1        24
                78.82          2.64        1.2144    3   3   3         8
                87.44          3.12        1.1155    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.