Chevkinite-(Ce) Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern of R060419 Sokolova E V, Hawthorne F C, Della Ventura G, Kartashov P M The Canadian Mineralogist 42 (2004) 1013-1025 Chevkinite-(Ce): Crystal structure and the effect of moderate radiation-induced damage on site-occupancy refinement Locality: Mongolia Crystal (1) CELL PARAMETERS: 13.3910 5.7449 11.0660 90.000 100.630 90.000 SPACE GROUP: C2/m ATOM X Y Z OCCUPANCY ISO(B) Ce 0.35601 0.00000 0.73503 1.000 1.429 Ce 0.06863 0.00000 0.74067 1.000 1.729 Fe 0.50000 0.00000 0.50000 1.000 1.713 Fe 0.25000 0.25000 0.00000 1.000 1.192 Ti 0.00000 0.00000 0.00000 1.000 1.098 Ti 0.50000 0.00000 0.00000 1.000 1.382 Si 0.20080 0.50000 0.73120 1.000 2.313 Si 0.35670 0.50000 0.54650 1.000 2.527 O 0.47750 0.25390 0.87340 1.000 1.176 O 0.14600 0.00000 0.97670 1.000 0.955 O 0.18430 0.00000 0.59690 1.000 1.216 O 0.34790 0.00000 0.98950 1.000 0.963 O 0.42450 0.27390 0.59730 1.000 1.855 O 0.22850 -0.73490 0.81390 1.000 1.192 O 0.08180 0.50000 0.67260 1.000 2.606 O 0.26480 0.50000 0.62370 1.000 3.158 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 12 +/- 5 +/- 9 MAX. ABS. INTENSITY / VOLUME**2: 21.73573008 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 8.13 18.83 10.8761 0 0 1 13.46 4.96 6.5806 2 0 0 14.39 1.37 6.1556 -2 0 1 16.30 38.99 5.4380 0 0 2 16.84 1.81 5.2652 1 1 0 16.99 6.15 5.2199 2 0 1 18.17 51.16 4.8825 -1 1 1 19.16 3.05 4.6325 -2 0 2 19.26 65.55 4.6076 1 1 1 22.62 4.40 3.9304 -1 1 2 24.38 1.39 3.6504 1 1 2 24.55 25.40 3.6254 0 0 3 25.55 24.46 3.4867 3 1 0 25.66 37.37 3.4715 -3 1 1 28.00 100.00 3.1872 3 1 1 28.31 79.50 3.1527 -3 1 2 28.85 29.00 3.0946 -1 1 3 29.01 38.35 3.0778 -4 0 2 29.78 42.76 2.9997 4 0 1 30.26 3.81 2.9534 2 0 3 30.96 22.21 2.8881 1 1 3 31.14 64.67 2.8725 0 2 0 32.23 11.20 2.7772 0 2 1 32.47 64.22 2.7572 3 1 2 32.93 84.91 2.7202 -3 1 3 32.94 68.06 2.7190 0 0 4 33.22 18.71 2.6965 -4 0 3 34.06 12.38 2.6326 2 2 0 34.36 12.62 2.6099 4 0 2 34.46 6.55 2.6030 -2 2 1 35.34 37.06 2.5399 0 2 2 35.68 9.01 2.5166 2 2 1 36.04 2.34 2.4920 -1 1 4 36.82 3.18 2.4412 -2 2 2 37.09 2.61 2.4240 -5 1 1 37.59 4.88 2.3930 5 1 0 38.35 8.51 2.3470 3 1 3 38.36 2.63 2.3463 1 1 4 38.88 6.34 2.3162 -4 0 4 38.90 4.73 2.3150 -3 1 4 40.05 7.92 2.2514 0 2 3 40.27 13.47 2.2395 4 0 3 40.42 11.27 2.2315 -6 0 1 41.24 1.28 2.1892 -2 0 5 41.45 4.93 2.1785 -6 0 2 41.55 44.67 2.1733 -4 2 1 41.74 21.11 2.1639 4 2 0 43.07 10.86 2.1000 -4 2 2 43.57 8.98 2.0773 6 0 1 43.63 9.28 2.0747 4 2 1 43.81 1.28 2.0663 5 1 2 43.84 3.13 2.0649 -1 1 5 43.97 3.56 2.0592 2 2 3 44.14 5.76 2.0519 -6 0 3 45.20 17.23 2.0062 3 1 4 45.82 21.35 1.9805 -3 1 5 45.96 46.86 1.9747 0 2 4 46.14 1.56 1.9674 -5 1 4 46.17 3.86 1.9660 -4 2 3 46.19 16.08 1.9652 -2 2 4 46.31 3.22 1.9604 2 0 5 46.32 12.62 1.9600 1 1 5 47.04 3.44 1.9317 4 2 2 48.55 4.03 1.8753 -1 3 1 49.01 7.70 1.8586 1 3 1 49.64 1.56 1.8365 -2 0 6 49.97 13.55 1.8252 2 2 4 50.34 1.61 1.8127 0 0 6 50.63 5.82 1.8031 -4 2 4 50.92 16.68 1.7934 -7 1 2 51.12 15.78 1.7869 7 1 0 51.76 7.92 1.7662 4 2 3 51.89 5.10 1.7622 -6 2 1 52.11 2.72 1.7551 3 3 0 52.18 4.96 1.7531 -3 3 1 52.49 6.67 1.7433 6 2 0 52.56 2.89 1.7411 -2 2 5 52.60 7.00 1.7400 6 0 3 52.74 13.32 1.7357 -6 2 2 52.77 3.38 1.7348 3 1 5 52.79 5.17 1.7341 0 2 5 52.99 13.31 1.7281 -4 0 6 53.44 2.46 1.7145 -3 1 6 53.50 12.53 1.7129 3 3 1 53.58 8.81 1.7103 -6 0 5 53.68 8.06 1.7075 -3 3 2 54.00 3.98 1.6980 -1 3 3 54.52 14.07 1.6832 6 2 1 54.71 8.84 1.6777 4 0 5 54.76 2.96 1.6763 1 1 6 54.88 10.20 1.6729 -8 0 1 55.00 10.14 1.6696 -6 2 3 55.22 5.99 1.6634 5 1 4 55.27 4.84 1.6619 -8 0 2 55.29 3.45 1.6614 1 3 3 56.21 3.14 1.6366 -4 2 5 56.25 12.26 1.6353 3 3 2 56.44 10.59 1.6302 -7 1 4 56.55 13.15 1.6275 -3 3 3 57.00 7.21 1.6157 7 1 2 57.05 1.40 1.6144 -8 0 3 57.56 2.03 1.6011 4 2 4 57.86 3.24 1.5936 6 2 2 58.56 1.25 1.5764 -6 2 4 59.49 5.86 1.5537 0 0 7 59.90 1.27 1.5442 -6 0 6 60.26 1.18 1.5359 3 3 3 60.38 7.40 1.5330 0 2 6 60.65 1.11 1.5268 -3 3 4 60.91 3.54 1.5210 -1 1 7 60.97 6.55 1.5197 3 1 6 61.07 1.12 1.5174 -7 1 5 61.69 12.55 1.5035 -3 1 7 61.86 2.26 1.4999 8 0 2 62.75 3.22 1.4808 -4 2 6 62.94 1.65 1.4767 4 0 6 63.69 1.23 1.4612 1 1 7 64.30 2.77 1.4487 4 2 5 64.40 2.46 1.4468 -8 0 5 64.53 3.71 1.4440 2 2 6 64.93 18.28 1.4362 0 4 0 65.38 4.88 1.4273 3 3 4 65.87 6.21 1.4180 -3 3 5 66.27 2.82 1.4104 1 3 5 66.39 1.39 1.4080 -9 1 3 66.43 3.18 1.4073 -8 2 3 66.62 2.01 1.4038 8 0 3 66.75 3.46 1.4013 -7 1 6 67.45 1.53 1.3886 0 4 2 67.53 3.95 1.3871 8 2 1 67.59 5.81 1.3859 7 1 4 68.00 3.38 1.3786 6 2 4 68.68 1.30 1.3666 0 2 7 69.04 2.70 1.3603 -9 1 4 69.06 7.16 1.3601 -6 2 6 69.09 5.87 1.3595 0 0 8 69.98 5.66 1.3444 -7 3 2 70.15 4.88 1.3416 7 3 0 70.53 1.54 1.3353 0 4 3 70.88 3.32 1.3295 8 2 2 71.52 1.11 1.3192 3 3 5 71.62 1.89 1.3175 -10 0 3 71.71 1.27 1.3161 10 0 0 72.65 4.14 1.3015 -4 4 2 73.04 4.59 1.2954 4 4 1 73.17 1.21 1.2934 1 1 8 73.26 2.26 1.2921 -8 2 5 73.60 2.36 1.2869 5 3 4 74.15 1.45 1.2788 10 0 1 74.59 6.94 1.2724 6 2 5 74.66 4.38 1.2714 -7 3 4 74.75 9.17 1.2699 0 4 4 74.91 2.37 1.2676 -4 4 3 75.14 3.12 1.2644 7 3 2 75.57 1.91 1.2583 4 4 2 75.81 5.62 1.2549 -6 2 7 77.71 3.40 1.2288 0 2 8 78.40 1.29 1.2198 -4 2 8 78.58 1.22 1.2175 -1 3 7 78.63 2.73 1.2168 3 3 6 79.00 1.27 1.2120 -10 2 2 79.03 4.38 1.2116 -10 2 1 79.24 1.95 1.2090 4 4 3 79.28 5.58 1.2085 -3 3 7 79.30 3.28 1.2081 3 1 8 79.34 2.47 1.2077 -6 4 1 80.15 3.80 1.1974 -3 1 9 80.33 4.40 1.1953 4 2 7 80.74 1.35 1.1902 -11 1 2 80.95 2.91 1.1877 -11 1 1 81.01 3.87 1.1869 -7 1 8 81.47 1.68 1.1814 6 4 1 81.70 1.39 1.1786 -11 1 3 81.87 1.28 1.1766 -6 4 3 82.11 2.37 1.1738 7 1 6 83.82 1.09 1.1542 -11 1 4 83.88 1.48 1.1534 -7 3 6 84.49 1.28 1.1466 -8 2 7 84.66 2.71 1.1448 7 3 4 84.84 1.42 1.1428 11 1 1 85.89 3.45 1.1316 -10 2 5 86.01 1.27 1.1303 -9 3 4 86.09 3.97 1.1295 10 2 2 87.02 2.36 1.1198 8 0 6 87.08 1.57 1.1191 -11 1 5 87.53 1.60 1.1145 8 2 5 87.59 1.42 1.1139 0 2 9 87.94 1.79 1.1103 -10 0 7 88.22 2.01 1.1076 6 4 3 88.25 1.12 1.1072 10 0 4 88.52 4.08 1.1046 -4 4 6 88.93 2.02 1.1005 3 5 1 89.00 2.62 1.0999 -6 4 5 89.08 1.86 1.0991 -3 5 2 89.61 1.42 1.0940 -7 1 9 89.91 3.17 1.0911 4 4 5 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.