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 = .14 GPa, T = 17.3 K
      _database_code_amcsd 0015296

      CELL PARAMETERS:    3.4440   3.4440   5.6030   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     57.554
      Density (g/cm3):      0.058
      MAX. ABS. INTENSITY / VOLUME**2:     0.5432797360E-01
      RIR:      0.304
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.96         28.96        2.9826    1   0   0         6
                31.95         29.47        2.8015    0   0   2         2
                34.05        100.00        2.6328    1   0   1        12
                44.36          8.86        2.0420    1   0   2        12
                53.19          6.14        1.7220    1   1   0         6
                58.29          5.16        1.5829    1   0   3        12
                63.40          3.97        1.4670    1   1   2        12
                64.68          2.61        1.4411    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.