Pertoldite Yamanaka T, Ogata K Journal of Applied Crystallography 24 (1991) 111-118 Structure refinement of GeO2 polymorphs at high pressures and temperatures by energy-dispersive spectra of powder diffraction Note: P = 4.58 GPa T = 293 K Locality: synthetic _database_code_amcsd 0019059 CELL PARAMETERS: 4.8310 4.8310 5.5680 90.000 90.000 120.000 SPACE GROUP: P3_221 X-RAY WAVELENGTH: 1.541838 Cell Volume: 112.539 Density (g/cm3): 4.631 MAX. ABS. INTENSITY / VOLUME**2: 117.4095264 RIR: 8.255 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 21.24 18.90 4.1838 1 0 0 6 26.65 80.92 3.3448 0 1 1 6 26.65 19.08 3.3448 1 0 1 6 37.22 10.97 2.4155 1 1 0 3 38.86 21.79 2.3178 1 0 2 6 40.72 13.36 2.2160 1 1 1 6 43.25 17.32 2.0919 2 0 0 6 46.37 1.68 1.9582 0 2 1 6 46.37 1.09 1.9582 2 0 1 6 49.08 5.33 1.8560 0 0 3 2 49.99 9.64 1.8245 1 1 2 6 54.05 1.69 1.6966 0 1 3 6 54.90 2.67 1.6724 0 2 2 6 54.90 3.33 1.6724 2 0 2 6 58.36 2.21 1.5813 2 1 0 6 60.90 10.70 1.5212 2 1 1 6 60.90 2.86 1.5212 1 2 1 6 63.18 4.13 1.4717 1 1 3 6 67.46 2.92 1.3883 0 2 3 6 67.46 4.98 1.3883 2 0 3 6 68.20 9.53 1.3750 1 2 2 6 69.48 6.92 1.3528 0 3 1 6 71.42 2.39 1.3208 1 0 4 6 71.42 3.14 1.3208 0 1 4 6 76.38 4.20 1.2469 3 0 2 6 79.46 2.12 1.2061 1 1 4 6 79.65 2.16 1.2037 2 1 3 6 83.27 1.35 1.1604 3 1 0 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.