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 = 0.0001 GPa T = 293 K Locality: synthetic _database_code_amcsd 0019056 CELL PARAMETERS: 4.9858 4.9858 5.6473 90.000 90.000 120.000 SPACE GROUP: P3_221 X-RAY WAVELENGTH: 1.541838 Cell Volume: 121.574 Density (g/cm3): 4.287 MAX. ABS. INTENSITY / VOLUME**2: 115.4089442 RIR: 8.766 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.57 18.93 4.3178 1 0 0 6 25.98 77.80 3.4301 0 1 1 6 25.98 22.20 3.4301 1 0 1 6 36.03 9.82 2.4929 1 1 0 3 38.08 19.81 2.3632 1 0 2 6 39.51 12.82 2.2806 1 1 1 6 41.84 17.17 2.1589 2 0 0 6 44.95 1.42 2.0166 0 2 1 6 48.35 4.39 1.8824 0 0 3 2 48.73 11.00 1.8688 1 1 2 6 53.07 1.80 1.7256 0 1 3 6 53.42 2.59 1.7151 0 2 2 6 53.42 2.74 1.7151 2 0 2 6 56.38 1.99 1.6320 2 1 0 6 58.91 10.88 1.5678 2 1 1 6 58.91 3.47 1.5678 1 2 1 6 61.75 3.94 1.5022 1 1 3 6 65.82 3.06 1.4188 0 2 3 6 65.82 5.59 1.4188 2 0 3 6 66.13 9.55 1.4130 1 2 2 6 67.11 7.34 1.3947 0 3 1 6 70.13 2.87 1.3419 0 1 4 6 70.13 2.45 1.3419 1 0 4 6 73.91 4.30 1.2823 3 0 2 6 77.39 2.38 1.2331 2 1 3 6 77.74 2.41 1.2285 1 1 4 6 80.14 1.43 1.1976 3 1 0 6 89.74 1.21 1.0927 1 0 5 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.