As Ga O4
      Philippot E, Armand P, Yot P, Cambon O, Goiffon A, McIntyre G, Bordet P
      Journal of Solid State Chemistry 146 (1999) 114-123
      Neutron and x-ray structure refinements between 15 and 1083 K of
      piezoelectric gallium arsenate, Ga As O4: temperature and pressure
      behavior compared with other alpha-quartz materials
      _cod_database_code 1009004
      _database_code_amcsd 0016866

      CELL PARAMETERS:    5.0110   5.0110  11.3880   90.000   90.000  120.000
      SPACE GROUP: P3_121    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    247.643
      Density (g/cm3):      4.196
      MAX. ABS. INTENSITY / VOLUME**2:      110.6845683    
      RIR:      8.588
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.47         19.56        4.3397    1   0   0         6
                25.81         78.40        3.4515    0   1   2         6
                25.81         21.60        3.4515    1   0   2         6
                35.84          9.49        2.5055    1   1   0         3
                37.79         19.37        2.3805    1   0   4         6
                39.29         12.39        2.2933    1   1   2         6
                41.62         16.46        2.1698    2   0   0         6
                44.69          1.40        2.0276    0   2   2         6
                47.93          4.24        1.8980    0   0   6         2
                48.39          9.96        1.8809    1   1   4         6
                52.63          1.68        1.7390    0   1   6         6
                53.07          2.49        1.7257    0   2   4         6
                53.07          2.51        1.7257    2   0   4         6
                56.07          1.72        1.6402    2   1   0         6
                58.57          3.08        1.5761    1   2   2         6
                58.57          9.72        1.5761    2   1   2         6
                61.27          3.56        1.5129    1   1   6         6
                65.32          2.61        1.4286    0   2   6         6
                65.32          4.79        1.4286    2   0   6         6
                65.70          8.26        1.4212    1   2   4         6
                66.72          6.46        1.4020    0   3   2         6
                69.49          2.55        1.3526    0   1   8         6
                69.49          2.09        1.3526    1   0   8         6
                73.42          3.70        1.2896    3   0   4         6
                76.81          2.01        1.2410    2   1   6         6
                77.05          1.96        1.2377    1   1   8         6
                79.66          1.19        1.2036    3   1   0         6
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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.