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 1009005
      _database_code_amcsd 0016867

      CELL PARAMETERS:    5.0170   5.0170  11.4010   90.000   90.000  120.000
      SPACE GROUP: P3_121    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    248.520
      Density (g/cm3):      4.182
      MAX. ABS. INTENSITY / VOLUME**2:      109.2149031    
      RIR:      8.504
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.44         19.72        4.3448    1   0   0         6
                25.78         78.12        3.4556    0   1   2         6
                25.78         21.88        3.4556    1   0   2         6
                35.80          9.25        2.5085    1   1   0         3
                37.75         19.03        2.3832    1   0   4         6
                39.24         12.25        2.2960    1   1   2         6
                41.57         16.22        2.1724    2   0   0         6
                44.64          1.35        2.0300    0   2   2         6
                47.87          4.12        1.9002    0   0   6         2
                48.33          9.82        1.8831    1   1   4         6
                52.57          1.63        1.7410    0   1   6         6
                53.00          2.35        1.7278    0   2   4         6
                53.00          2.34        1.7278    2   0   4         6
                56.00          1.64        1.6422    2   1   0         6
                58.49          9.31        1.5780    2   1   2         6
                58.49          2.98        1.5780    1   2   2         6
                61.19          3.34        1.5147    1   1   6         6
                65.23          2.51        1.4303    0   2   6         6
                65.23          4.57        1.4303    2   0   6         6
                65.61          7.78        1.4229    1   2   4         6
                66.63          6.06        1.4037    0   3   2         6
                69.40          2.37        1.3541    0   1   8         6
                69.40          1.95        1.3541    1   0   8         6
                73.32          3.43        1.2912    3   0   4         6
                76.70          1.84        1.2425    2   1   6         6
                76.95          1.83        1.2391    1   1   8         6
                79.55          1.08        1.2050    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.