Hydrogen
      Ishmaev S N, Sadikov I P, Chernyshev A A, Vindryevsky B A, Sukhoparov V A,
      Telepnev A S, Kobelyev G V
      Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki 84 (1983) 394-403
      Neutron structural investigations of solid para-hydrogen at pressures
      up to 24 kbar
      Locality: synthetic
      Sample: at P = .480 GPa & T = 16.6 K
      Note: known as para-hydrogen
      _database_code_amcsd 0015886

      CELL PARAMETERS:    3.2070   3.2070   5.2060   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     46.370
      Density (g/cm3):      0.144
      MAX. ABS. INTENSITY / VOLUME**2:     0.1155242555    
      RIR:      0.261
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                32.23         61.64        2.7773    1   0   0         6
                36.67        100.00        2.4504    1   0   1        12
                57.47         10.92        1.6035    1   1   0         6
                63.18          4.75        1.4717    1   0   3        12
                70.14          2.14        1.3418    2   0   1        12
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.