Cerussite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R050011 Chevrier G, Giester G, Heger G, Jarosch D, Wildner M, Zemann J Zeitschrift fur Kristallographie 199 (1992) 67-74 Neutron single-crystal refinement of cerussite, PbCO3, and comparison with other aragonite-type carbonates Locality: Pribram, Czech Republic CELL PARAMETERS: 5.1836 8.4978 6.1453 90.000 90.000 90.000 SPACE GROUP: Pmcn ATOM X Y Z OCCUPANCY ISO(B) Pb 0.25000 0.41702 0.24560 1.000 0.858 C 0.25000 0.76221 0.08718 1.000 0.769 O 0.25000 0.91299 0.09649 1.000 1.329 O 0.46445 0.68597 0.08893 1.000 1.334 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 4 +/- 7 +/- 5 MAX. ABS. INTENSITY / VOLUME**2: 261.7385071 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 20.07 14.75 4.4253 1 1 0 20.91 6.98 4.2489 0 2 0 24.79 100.00 3.5911 1 1 1 25.49 48.52 3.4949 0 2 1 29.06 18.32 3.0726 0 0 2 30.95 1.66 2.8896 0 1 2 33.92 1.43 2.6432 1 0 2 34.61 14.88 2.5918 2 0 0 35.57 17.10 2.5239 1 1 2 36.07 8.58 2.4898 0 2 2 36.14 26.19 2.4857 1 3 0 40.78 6.57 2.2126 2 2 0 42.55 2.08 2.1244 0 4 0 43.47 28.97 2.0818 2 2 1 45.16 13.41 2.0079 0 4 1 45.80 13.85 1.9811 2 0 2 47.02 25.02 1.9325 1 3 2 49.00 18.40 1.8589 1 1 3 49.39 8.60 1.8452 0 2 3 50.85 4.44 1.7955 2 2 2 52.36 2.19 1.7474 0 4 2 54.17 1.99 1.6932 3 1 0 55.97 1.71 1.6430 2 4 0 56.36 9.51 1.6324 3 1 1 57.03 1.44 1.6150 1 5 0 58.12 8.93 1.5873 2 4 1 59.15 8.22 1.5619 1 5 1 60.24 2.08 1.5363 0 0 4 61.71 5.60 1.5032 2 2 3 62.64 2.48 1.4830 3 1 2 63.02 4.48 1.4751 3 3 0 63.04 2.54 1.4746 0 4 3 64.17 2.85 1.4513 1 1 4 64.29 2.29 1.4489 2 4 2 64.50 1.39 1.4448 0 2 4 65.27 2.45 1.4295 1 5 2 65.96 2.15 1.4163 0 6 0 70.86 6.89 1.3298 3 3 2 71.37 3.24 1.3216 2 0 4 72.30 6.42 1.3069 1 3 4 72.41 5.51 1.3051 3 1 3 73.01 2.04 1.2959 4 0 0 73.65 2.98 1.2862 0 6 2 73.95 5.10 1.2817 2 4 3 74.87 4.70 1.2682 1 5 3 75.31 1.20 1.2620 2 2 4 76.67 3.49 1.2428 2 6 0 78.76 3.67 1.2151 4 2 1 80.43 2.02 1.1940 4 0 2 80.86 3.43 1.1888 3 5 1 81.23 3.27 1.1842 1 1 5 81.53 1.55 1.1807 0 2 5 83.24 2.99 1.1607 1 7 1 84.00 3.60 1.1522 2 6 2 84.23 1.13 1.1495 4 2 2 86.30 1.11 1.1272 3 5 2 87.67 1.05 1.1131 1 5 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.