Hoelite Prakash A Acta Crystallographica 22 (1967) 439-440 Refinement of the crystal structure of anthraquinone _database_code_amcsd 0009309 CELL PARAMETERS: 15.8100 3.9420 7.8950 90.000 102.720 90.000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 479.964 Density (g/cm3): 1.441 MAX. ABS. INTENSITY / VOLUME**2: 1.895614930 RIR: 0.428 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.48 100.00 7.7110 2 0 0 2 11.49 63.86 7.7012 0 0 1 2 14.35 71.12 6.1706 -2 0 1 2 17.98 1.90 4.9330 2 0 1 2 23.07 4.10 3.8555 4 0 0 2 23.10 2.12 3.8506 0 0 2 2 23.29 13.18 3.8192 1 1 0 4 23.42 2.13 3.7986 -4 0 1 2 23.44 2.15 3.7951 -2 0 2 2 25.38 30.59 3.5099 2 1 0 4 25.38 23.01 3.5090 0 1 1 4 26.61 36.36 3.3496 1 1 1 4 28.53 6.99 3.1282 3 1 0 4 28.94 1.96 3.0853 -4 0 2 2 29.00 5.07 3.0795 2 1 1 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.