CO2
      Park J H, Yoo C S, Iota V, Cynn H, Nicol M F, Le Bihan T
      Physical Review B68 (2003) 014107-014107
      Crystal structure of bent carbon dioxide phase IV
      Sample: P = 15 GPa, the authors think this structure is correct
      _database_code_amcsd 0015236

      CELL PARAMETERS:    4.3441   6.1110   4.2850   90.000   90.000   90.000
      SPACE GROUP: Pbcn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    113.753
      Density (g/cm3):      2.569
      MAX. ABS. INTENSITY / VOLUME**2:      6.168109720    
      RIR:      0.782
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.23          6.59        3.0555    0   2   0         2
                32.81         14.03        2.7294    1   1   1         8
                36.10         16.83        2.4878    0   2   1         4
                41.58         15.31        2.1720    2   0   0         2
                41.84        100.00        2.1588    1   2   1         8
                42.18         12.61        2.1425    0   0   2         2
                47.31          4.46        1.9215    1   0   2         4
                49.35          1.67        1.8468    2   1   1         8
                49.74          1.19        1.8330    1   1   2         8
                60.61          3.26        1.5278    0   4   0         2
                60.72          6.44        1.5253    2   0   2         4
                76.05          1.98        1.2515    3   2   1         8
                76.18          1.05        1.2496    2   4   0         4
                76.88          1.48        1.2401    1   2   3         8
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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.