Shannonite Krivovichev S V, Burns P C Mineralogical Magazine 64 (2000) 1063-1068 Crystal chemistry of basic lead carbonates. I. Crystal structure of synthetic shannonite, Pb2O(CO3) Locality: synthetic _database_code_amcsd 0014550 CELL PARAMETERS: 5.1465 9.0140 9.3150 90.000 90.000 90.000 SPACE GROUP: P2_12_12_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 432.128 Density (g/cm3): 7.537 MAX. ABS. INTENSITY / VOLUME**2: 153.3051111 RIR: 6.623 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.67 20.96 6.4777 0 1 1 4 19.06 2.02 4.6575 0 0 2 2 19.71 3.83 4.5047 1 0 1 4 21.48 34.54 4.1378 0 1 2 4 21.91 3.06 4.0571 0 2 1 4 22.06 60.28 4.0295 1 1 1 4 25.80 2.99 3.4533 1 0 2 4 26.28 15.69 3.3906 1 2 0 4 27.54 17.63 3.2388 0 2 2 4 27.66 94.70 3.2248 1 1 2 4 28.00 100.00 3.1861 1 2 1 4 30.45 24.37 2.9357 0 1 3 4 31.28 49.13 2.8596 0 3 1 4 32.67 3.61 2.7412 1 2 2 4 33.71 14.33 2.6586 1 0 3 4 34.87 36.57 2.5733 2 0 0 2 35.10 6.13 2.5569 0 2 3 4 35.93 4.22 2.4996 1 3 1 4 36.31 2.73 2.4744 2 1 0 4 37.61 2.38 2.3915 2 1 1 4 38.66 13.54 2.3287 0 0 4 2 39.35 24.21 2.2899 1 2 3 4 39.99 12.23 2.2547 0 1 4 4 40.01 12.41 2.2535 0 4 0 2 40.03 1.59 2.2523 2 0 2 4 41.22 4.68 2.1903 0 4 1 4 41.32 22.86 2.1852 2 1 2 4 41.56 3.58 2.1730 2 2 1 4 41.84 10.45 2.1592 0 3 3 4 43.84 3.28 2.0652 1 1 4 4 43.86 7.06 2.0643 1 4 0 4 44.98 8.17 2.0154 1 4 1 4 44.99 11.34 2.0148 2 2 2 4 45.80 1.34 1.9813 2 0 3 4 46.95 11.98 1.9351 2 1 3 4 47.36 2.51 1.9196 1 2 4 4 47.54 24.78 1.9128 2 3 1 4 48.22 4.82 1.8872 1 4 2 4 49.52 2.18 1.8406 0 3 4 4 50.01 7.73 1.8238 0 4 3 4 50.31 6.00 1.8138 2 2 3 4 50.65 2.34 1.8022 2 3 2 4 52.22 10.52 1.7518 1 0 5 4 52.82 19.36 1.7331 1 3 4 4 53.04 6.85 1.7267 2 0 4 4 53.27 7.43 1.7196 1 1 5 4 54.08 6.28 1.6958 2 1 4 4 54.10 5.17 1.6953 2 4 0 4 54.85 1.06 1.6737 1 5 1 4 55.06 4.27 1.6679 2 4 1 4 55.40 6.73 1.6583 3 1 1 4 55.56 6.34 1.6541 2 3 3 4 56.35 4.18 1.6328 1 2 5 4 56.86 3.27 1.6194 0 4 4 4 57.23 2.08 1.6098 3 0 2 4 57.48 1.66 1.6033 3 2 0 4 57.68 24.24 1.5981 1 5 2 4 58.22 7.63 1.5847 3 1 2 4 58.27 1.67 1.5833 0 3 5 4 58.41 7.03 1.5801 3 2 1 4 59.27 2.94 1.5591 0 5 3 4 59.88 1.33 1.5447 1 4 4 4 61.13 1.60 1.5160 3 2 2 4 61.25 1.03 1.5133 1 3 5 4 61.75 2.23 1.5023 0 6 0 2 61.78 2.04 1.5016 3 0 3 4 61.99 1.25 1.4971 2 3 4 4 62.41 7.75 1.4880 2 4 3 4 63.21 2.59 1.4711 3 3 1 4 63.36 6.37 1.4679 0 2 6 4 63.43 1.42 1.4665 1 1 6 4 64.63 2.60 1.4421 1 6 0 4 65.49 1.54 1.4252 1 6 1 4 65.52 4.16 1.4246 3 2 3 4 66.21 1.42 1.4116 1 2 6 4 67.75 3.86 1.3830 1 4 5 4 68.45 2.24 1.3706 2 4 4 4 68.77 1.58 1.3650 3 4 0 4 69.51 1.31 1.3524 0 6 3 4 69.61 1.66 1.3506 3 4 1 4 69.74 1.86 1.3485 2 3 5 4 70.64 2.92 1.3334 2 5 3 4 71.43 1.30 1.3206 3 2 4 4 71.69 2.21 1.3164 0 1 7 4 72.11 1.91 1.3099 3 4 2 4 72.91 3.03 1.2974 2 6 0 4 73.03 1.65 1.2955 0 5 5 4 73.51 1.76 1.2883 1 0 7 4 73.62 2.72 1.2866 4 0 0 2 74.37 1.95 1.2756 0 7 1 4 74.38 2.25 1.2754 1 1 7 4 74.41 8.50 1.2750 2 2 6 4 75.28 1.23 1.2624 0 6 4 4 75.31 2.49 1.2620 3 0 5 4 75.80 4.61 1.2550 3 3 4 4 76.17 2.69 1.2498 3 1 5 4 76.80 1.44 1.2411 0 7 2 4 76.83 3.85 1.2408 1 4 6 4 77.02 1.06 1.2381 1 7 1 4 77.73 1.74 1.2286 4 1 2 4 77.89 1.07 1.2264 4 2 1 4 77.92 1.04 1.2261 1 6 4 4 79.89 6.17 1.2007 3 5 2 4 80.18 1.95 1.1971 2 6 3 4 80.80 1.04 1.1895 0 7 3 4 81.72 1.06 1.1784 4 1 3 4 82.15 2.96 1.1733 4 3 1 4 82.26 2.48 1.1720 2 1 7 4 83.55 2.13 1.1572 2 5 5 4 84.25 1.74 1.1493 4 2 3 4 84.84 2.21 1.1429 2 7 1 4 85.07 2.82 1.1404 1 6 5 4 85.72 1.75 1.1334 2 6 4 4 86.40 1.09 1.1262 4 0 4 4 87.20 1.39 1.1179 2 7 2 4 87.24 2.01 1.1175 4 1 4 4 88.88 1.35 1.1011 3 4 5 4 88.90 2.05 1.1008 1 7 4 4 89.70 2.59 1.0931 1 8 1 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.