Hydrogen
      Vindryevsky B A, Ishmaev S N, Sadikov I P, Chernyshev A A
      Physics Letters 76A (1980) 355-358
      Neutron diffraction studies of solid parahydrogen at pressures up to 5 kbar
      Locality: synthetic
      Sample: P = .028 GPa, T = 14.9 K
      _database_code_amcsd 0015294

      CELL PARAMETERS:    3.6700   3.6700   5.9710   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     69.648
      Density (g/cm3):      0.048
      MAX. ABS. INTENSITY / VOLUME**2:     0.4951924399E-01
      RIR:      0.336
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.07         28.14        3.1783    1   0   0         6
                29.93         29.05        2.9855    0   0   2         2
                31.90        100.00        2.8056    1   0   1        12
                41.50          9.51        2.1760    1   0   2        12
                49.68          6.95        1.8350    1   1   0         6
                54.39          6.01        1.6869    1   0   3        12
                59.09          4.72        1.5633    1   1   2        12
                60.26          3.11        1.5357    2   0   1        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.