Umohoite Diffraction data computed using the structute from the paper listed below, along with the cell parameters refined from single crystal data of R061135 Krivovichev S V, Burns P C The Canadian Mineralogist 38 (2000) 717-726 Crystal chemistry of uranyl molybdates. 1. The structure and formula of umohoite CELL PARAMETERS: 6.4110 7.5600 14.7600 82.560 85.740 89.880 SPACE GROUP: P-1 ATOM X Y Z OCCUPANCY ISO(B) U 0.25592 0.80029 0.29699 1.000 0.909 U 0.15158 0.29981 0.29871 1.000 0.972 Mo 0.70730 0.05750 0.27210 1.000 1.276 Mo 0.70730 0.55580 0.27240 1.000 1.366 O 0.64000 0.80400 0.28920 1.000 1.490 O 0.23200 0.76800 0.42000 1.000 1.908 O 0.99300 0.59000 0.29570 1.000 1.308 O 0.76900 0.30000 0.29700 1.000 1.601 O 0.11700 0.26800 0.42330 1.000 1.919 O 0.99300 0.01100 0.29610 1.000 1.473 O 0.41200 0.09000 0.29840 1.000 1.300 O 0.17800 0.33100 0.17580 1.000 2.073 O 0.41500 0.50900 0.29930 1.000 1.545 O 0.28000 0.82800 0.17440 1.000 1.876 O 0.72400 0.09300 0.15460 1.000 2.382 O 0.72400 0.57700 0.15560 1.000 2.452 Wa 0.68700 0.52700 0.44070 1.000 2.305 Wa 0.68600 0.99600 0.44210 1.000 2.764 Wa 0.74300 0.12600 -0.00200 1.000 6.046 Wa 0.75300 0.62400 0.00300 1.000 6.290 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 0.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 5 +/- 6 +/- 13 MAX. ABS. INTENSITY / VOLUME**2: 154.2792570 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 6.06 42.26 14.5949 0 0 1 12.13 100.00 7.2975 0 0 2 14.71 7.98 6.0235 1 0 1 15.54 3.90 5.7016 -1 0 1 17.75 1.78 4.9972 1 0 2 18.17 1.02 4.8827 -1 1 0 18.24 24.92 4.8650 0 0 3 18.46 2.55 4.8055 1 1 1 19.01 1.10 4.6692 -1 1 1 19.13 5.08 4.6401 -1 0 2 19.33 2.00 4.5926 1 -1 1 20.10 2.14 4.4174 -1 -1 1 21.62 1.53 4.1106 -1 1 2 22.12 2.05 4.0187 1 0 3 23.73 1.99 3.7493 0 2 1 23.74 2.03 3.7481 0 2 0 24.40 7.79 3.6487 0 0 4 27.22 3.49 3.2759 1 0 4 27.44 16.28 3.2506 1 2 1 27.49 15.74 3.2442 -1 2 0 27.68 3.32 3.2227 1 2 0 27.72 3.60 3.2180 -1 2 1 27.91 13.75 3.1966 2 0 0 28.11 2.89 3.1748 0 2 3 28.13 2.09 3.1724 2 0 1 28.14 2.92 3.1711 0 -2 2 28.56 7.80 3.1253 1 2 2 28.63 7.92 3.1181 1 -2 1 29.04 5.16 3.0749 -2 0 1 29.07 2.62 3.0718 -1 0 4 29.26 10.60 3.0525 -1 -2 1 29.28 10.65 3.0498 -1 2 2 29.66 8.22 3.0117 2 0 2 30.31 1.01 2.9485 -2 1 0 30.48 2.29 2.9323 2 1 0 30.63 10.22 2.9190 0 0 5 30.91 1.03 2.8926 1 2 3 31.05 1.86 2.8801 -2 1 1 31.38 1.06 2.8508 -2 0 2 31.49 1.81 2.8405 2 1 2 32.55 1.52 2.7509 2 -1 2 34.27 5.03 2.6168 1 2 4 34.35 5.04 2.6109 1 -2 3 34.71 3.57 2.5844 -2 0 3 35.64 4.05 2.5193 -1 -2 3 35.64 4.05 2.5193 -1 2 4 35.94 3.27 2.4986 2 0 4 38.61 1.16 2.3321 1 0 6 39.14 1.08 2.3017 2 2 3 39.23 1.10 2.2963 2 -2 2 41.55 1.24 2.1732 0 2 6 41.61 1.23 2.1705 0 -2 5 43.12 2.59 2.0978 1 2 6 43.21 2.58 2.0939 1 -2 5 43.40 6.59 2.0850 0 0 7 43.52 2.03 2.0796 -2 0 5 44.03 2.26 2.0564 3 1 1 44.09 2.10 2.0539 -3 1 0 44.88 1.05 2.0196 -1 2 6 44.90 1.01 2.0188 -1 -2 5 46.26 1.39 1.9623 3 1 3 46.36 1.52 1.9586 -3 1 2 46.83 1.13 1.9400 -1 0 7 47.42 1.27 1.9174 3 -1 3 47.42 1.16 1.9172 -3 -1 2 48.15 6.08 1.8900 0 4 1 48.33 1.07 1.8833 1 2 7 48.41 1.11 1.8802 1 -2 6 48.92 2.75 1.8620 3 2 1 49.01 2.71 1.8586 -3 2 0 49.82 2.42 1.8302 0 4 3 49.86 2.34 1.8291 0 -4 1 50.22 2.36 1.8165 -1 2 7 50.25 2.37 1.8157 -1 -2 6 50.44 1.98 1.8092 2 0 7 50.62 1.00 1.8033 -3 -2 1 50.69 1.02 1.8008 -3 2 2 51.88 1.26 1.7625 0 4 4 51.93 1.28 1.7609 0 -4 2 56.52 1.52 1.6283 2 4 1 56.62 1.57 1.6255 -2 4 1 57.51 1.32 1.6026 2 4 3 57.64 1.30 1.5991 2 -4 1 58.11 1.41 1.5874 0 4 6 58.18 1.42 1.5855 0 -4 4 66.76 1.33 1.4012 0 4 8 66.86 1.28 1.3994 0 -4 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.