Fluorine Meyer L, Barrett C S, Greer S C Journal of Chemical Physics 49 (1968) 1902-1907 Crystal structure of alpha-fluorine Locality: synthetic Sample: at T = 23 K Note: alpha phase, stable between T = 0 K & 45.6 K _database_code_amcsd 0012990 CELL PARAMETERS: 5.5000 3.2800 10.0100 90.000 134.660 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 128.445 Density (g/cm3): 1.965 MAX. ABS. INTENSITY / VOLUME**2: 8.713722713 RIR: 1.444 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 25.01 16.13 3.5600 0 0 2 2 33.07 100.00 2.7091 -1 1 2 4 33.33 49.82 2.6882 -2 0 2 2 35.72 44.09 2.5135 1 1 0 4 37.43 13.37 2.4027 -2 0 4 2 38.20 1.88 2.3561 -2 0 1 2 38.67 1.08 2.3286 -1 1 3 4 45.33 1.28 2.0008 -2 0 5 2 51.33 5.28 1.7800 0 0 4 2 53.27 2.80 1.7197 1 1 2 4 55.59 1.46 1.6533 -2 0 6 2 56.08 4.87 1.6400 0 2 0 2 57.64 6.75 1.5993 -3 1 4 4 66.82 2.60 1.4000 -2 2 2 4 69.17 1.08 1.3581 2 0 2 2 70.87 2.03 1.3297 -1 1 6 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.