Pigeonite Nestola F, Tribaudino M, Ballaran T B American Mineralogist 89 (2004) 189-196 High pressure behavior, transformation and crystal structure of synthetic iron-free pigeonite Sample: P = 4.5 GPa _database_code_amcsd 0003199 CELL PARAMETERS: 9.5230 8.7000 5.1360 90.000 107.800 90.000 SPACE GROUP: P2_1/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 405.148 Density (g/cm3): 3.330 MAX. ABS. INTENSITY / VOLUME**2: 8.765240304 RIR: 0.857 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 20.42 7.07 4.3500 0 2 0 2 20.84 7.22 4.2629 0 1 1 4 25.35 1.46 3.5140 1 1 1 4 27.20 3.69 3.2784 -1 2 1 4 27.44 32.69 3.2502 0 2 1 4 28.44 32.16 3.1388 2 2 0 4 30.41 100.00 2.9394 -2 2 1 4 31.06 2.09 2.8794 1 2 1 4 31.33 58.20 2.8550 3 1 0 4 31.39 27.85 2.8498 -3 1 1 4 34.97 1.09 2.5662 -1 0 2 2 35.82 23.90 2.5071 -1 3 1 4 36.01 7.71 2.4944 0 3 1 4 36.01 8.69 2.4940 -2 0 2 2 36.76 44.90 2.4451 0 0 2 2 36.79 1.07 2.4429 2 3 0 4 37.17 25.40 2.4190 2 2 1 4 38.38 9.32 2.3453 -2 3 1 4 40.95 9.12 2.2040 3 1 1 4 41.07 9.11 2.1979 1 0 2 2 42.42 7.58 2.1309 1 1 2 4 43.24 2.06 2.0925 3 3 0 4 43.28 30.47 2.0905 -3 3 1 4 43.80 4.35 2.0667 -4 2 1 4 45.04 2.09 2.0127 -3 2 2 4 45.50 8.17 1.9937 -4 0 2 2 45.50 1.49 1.9937 -1 4 1 4 45.65 9.15 1.9873 0 4 1 4 46.30 4.03 1.9610 2 4 0 4 46.74 3.75 1.9433 -4 1 2 4 47.33 6.31 1.9207 2 0 2 2 47.63 6.60 1.9094 -2 4 1 4 49.97 3.04 1.8252 -4 3 1 4 51.48 4.91 1.7753 5 1 0 4 51.82 1.08 1.7642 -3 4 1 4 52.05 7.08 1.7570 2 2 2 4 52.52 3.06 1.7423 2 4 1 4 52.56 2.19 1.7413 -5 2 1 4 53.63 7.05 1.7088 1 5 0 4 53.80 1.61 1.7039 4 2 1 4 56.10 1.41 1.6393 0 5 1 4 56.11 2.55 1.6392 -2 4 2 4 56.15 6.68 1.6381 3 1 2 4 56.34 2.67 1.6331 -3 1 3 4 56.64 2.35 1.6251 0 4 2 4 57.26 1.06 1.6089 -5 2 2 4 57.52 1.17 1.6022 0 1 3 4 57.97 17.03 1.5909 -2 2 3 4 58.03 23.22 1.5894 -5 3 1 4 58.36 1.55 1.5811 -1 2 3 4 58.69 1.08 1.5732 3 4 1 4 58.84 1.86 1.5694 4 4 0 4 59.20 1.34 1.5608 4 3 1 4 61.35 4.15 1.5112 6 0 0 2 61.49 5.06 1.5081 -6 0 2 2 61.49 5.52 1.5080 3 5 0 4 61.53 1.87 1.5072 -3 5 1 4 63.14 11.16 1.4725 -2 3 3 4 63.51 10.58 1.4648 -1 3 3 4 63.98 3.35 1.4553 4 0 2 2 64.24 14.63 1.4500 0 6 0 2 64.75 1.24 1.4397 2 4 2 4 64.97 1.11 1.4353 4 1 2 4 65.08 1.29 1.4332 -5 1 3 4 65.51 1.65 1.4249 -6 2 2 4 65.88 3.44 1.4177 0 5 2 4 67.36 1.42 1.3902 0 6 1 4 67.86 3.36 1.3810 -3 5 2 4 68.02 2.20 1.3782 -5 2 3 4 68.56 28.34 1.3688 5 3 1 4 69.65 3.54 1.3499 1 3 3 4 70.01 4.50 1.3439 -2 4 3 4 70.51 1.36 1.3356 2 2 3 4 71.20 4.06 1.3243 -7 0 2 2 72.15 6.54 1.3092 -7 1 2 4 72.46 2.14 1.3044 0 4 3 4 72.80 2.37 1.2991 -5 3 3 4 73.99 2.02 1.2812 7 1 0 4 74.26 3.42 1.2771 -3 0 4 2 74.79 1.84 1.2694 -2 1 4 4 74.92 2.69 1.2675 5 1 2 4 75.76 1.16 1.2555 5 5 0 4 75.90 2.49 1.2535 -2 6 2 4 76.36 8.12 1.2472 0 6 2 4 76.37 2.58 1.2470 -4 0 4 2 77.57 2.16 1.2307 -7 3 1 4 79.11 1.76 1.2106 0 1 4 4 79.62 6.01 1.2041 3 5 2 4 79.78 1.54 1.2021 -3 5 3 4 82.21 1.50 1.1727 -4 6 2 4 82.32 1.27 1.1713 3 3 3 4 83.54 1.05 1.1572 2 6 2 4 83.79 1.20 1.1545 -5 2 4 4 85.72 1.14 1.1334 8 0 0 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.