O7 Si2 Sm2 Norlund Christensen A, Frost Jensen A, Kruse Themsen B, Gronbaek Hazell R, Hanfland M, Dooryhee E Acta Chemica Scandinavica 51 (1997) 1178-1185 Structure investigations of the high-temperature phases of La2 Si2 O7, Gd2 Si2 O7 and Sm2 Si2 O7 _cod_database_code 1008805 _database_code_amcsd 0016676 CELL PARAMETERS: 8.5530 12.8490 5.3920 91.080 88.610 89.680 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 592.277 Density (g/cm3): 5.258 MAX. ABS. INTENSITY / VOLUME**2: 38.99310464 RIR: 2.415 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.40 50.57 7.1378 1 1 0 2 12.47 55.89 7.0981 -1 1 0 2 13.79 26.64 6.4232 0 2 0 2 17.22 7.91 5.1505 1 2 0 2 17.32 5.02 5.1207 -1 2 0 2 17.73 3.39 5.0038 0 -1 1 2 20.38 6.54 4.3573 1 -1 1 2 20.55 2.22 4.3215 1 1 1 2 20.75 2.61 4.2810 -1 -1 1 2 20.78 9.73 4.2752 2 0 0 2 21.00 4.68 4.2302 -1 1 1 2 23.61 4.70 3.7686 1 -2 1 2 23.89 7.39 3.7246 -1 -2 1 2 23.90 4.65 3.7226 1 2 1 2 24.33 3.25 3.6583 -1 2 1 2 24.95 4.15 3.5689 2 2 0 2 25.09 3.12 3.5491 -2 2 0 2 26.29 65.78 3.3898 2 0 1 2 26.34 84.47 3.3842 0 -3 1 2 26.84 100.00 3.3221 0 3 1 2 26.93 55.12 3.3103 -2 0 1 2 27.16 28.84 3.2834 2 -1 1 2 27.26 22.91 3.2719 2 1 1 2 27.72 31.24 3.2183 -2 -1 1 2 27.78 5.00 3.2116 0 4 0 2 27.94 22.94 3.1930 -2 1 1 2 28.26 8.65 3.1580 1 -3 1 2 28.47 6.90 3.1354 -1 -3 1 2 28.63 7.27 3.1174 1 3 1 2 29.03 8.51 3.0762 -1 3 1 2 29.43 32.63 3.0347 2 3 0 2 29.62 32.80 3.0164 -2 3 0 2 29.65 3.47 3.0125 1 4 0 2 29.78 6.12 3.0006 -1 4 0 2 29.89 1.19 2.9891 2 2 1 2 32.13 3.55 2.7860 3 1 0 2 32.21 7.56 2.7789 -3 1 0 2 33.25 54.14 2.6947 0 0 2 2 33.60 2.41 2.6671 2 -3 1 2 33.81 13.40 2.6514 1 -4 1 2 33.84 2.35 2.6486 2 3 1 2 33.96 11.73 2.6400 -1 -4 1 2 33.96 2.10 2.6400 -2 -3 1 2 34.23 7.36 2.6193 1 4 1 2 34.35 6.02 2.6110 3 2 0 2 34.50 7.59 2.5993 -3 2 0 2 34.52 1.75 2.5985 -2 3 1 2 34.59 6.75 2.5928 -1 4 1 2 34.84 8.86 2.5753 2 4 0 2 35.05 6.49 2.5604 -2 4 0 2 35.26 3.40 2.5454 1 -1 2 2 35.49 1.43 2.5292 1 1 2 2 35.73 2.71 2.5129 -1 -1 2 2 35.89 2.60 2.5019 0 -2 2 2 35.95 8.58 2.4984 3 -1 1 2 36.00 7.92 2.4950 3 1 1 2 36.01 1.42 2.4940 -1 1 2 2 36.45 7.05 2.4647 1 5 0 2 36.58 5.62 2.4565 -1 5 0 2 36.60 10.91 2.4552 -3 -1 1 2 36.80 5.97 2.4423 -3 1 1 2 37.24 1.34 2.4145 1 -2 2 2 37.66 1.59 2.3882 -1 -2 2 2 37.68 1.71 2.3871 1 2 2 2 38.03 1.40 2.3660 -3 3 0 2 38.20 1.14 2.3560 -1 2 2 2 38.53 1.96 2.3364 -3 -2 1 2 39.08 1.49 2.3051 2 0 2 2 39.13 5.33 2.3023 0 5 1 2 39.63 1.38 2.2740 2 -1 2 2 39.98 2.25 2.2550 -2 0 2 2 41.45 4.86 2.1787 2 -2 2 2 41.81 2.71 2.1607 2 2 2 2 42.21 22.74 2.1411 0 6 0 2 42.22 6.87 2.1405 -2 -2 2 2 42.27 1.59 2.1382 3 4 0 2 42.54 1.11 2.1254 -3 4 0 2 42.75 3.55 2.1151 -2 2 2 2 42.85 16.30 2.1107 4 1 0 2 42.93 13.81 2.1065 -4 1 0 2 43.51 5.51 2.0799 1 6 0 2 43.64 6.95 2.0740 -1 6 0 2 44.07 1.53 2.0547 2 -5 1 2 44.27 2.73 2.0459 -2 -5 1 2 44.39 23.06 2.0408 2 -3 2 2 44.39 2.71 2.0406 2 5 1 2 44.59 1.47 2.0319 4 2 0 2 44.60 4.49 2.0316 1 -4 2 2 44.76 1.88 2.0246 -4 2 0 2 44.90 20.15 2.0188 2 3 2 2 44.92 3.32 2.0177 -1 -4 2 2 45.02 1.88 2.0138 -2 5 1 2 45.08 19.03 2.0111 -2 -3 2 2 45.36 3.06 1.9993 1 4 2 2 45.39 2.86 1.9983 3 -4 1 2 45.83 15.97 1.9797 -2 3 2 2 45.85 4.56 1.9792 -1 4 2 2 46.27 1.52 1.9620 3 -1 2 2 46.40 2.09 1.9568 -3 4 1 2 46.53 1.79 1.9516 1 -6 1 2 46.54 1.61 1.9515 -4 -1 1 2 46.61 1.11 1.9486 -1 -6 1 2 47.03 1.49 1.9323 1 6 1 2 47.35 1.34 1.9200 -1 6 1 2 47.51 6.31 1.9136 4 -2 1 2 47.55 7.27 1.9121 4 2 1 2 47.89 3.39 1.8994 3 -2 2 2 48.13 6.75 1.8906 -4 -2 1 2 48.17 5.27 1.8890 3 2 2 2 48.30 3.73 1.8843 2 -4 2 2 48.49 6.71 1.8774 -4 2 1 2 48.91 6.59 1.8623 -2 -4 2 2 48.93 2.78 1.8616 -3 -2 2 2 48.94 6.69 1.8613 2 4 2 2 49.44 5.92 1.8435 -3 2 2 2 49.58 1.85 1.8386 1 -5 2 2 49.85 6.36 1.8292 -2 4 2 2 49.86 3.03 1.8289 -1 -5 2 2 50.24 9.35 1.8161 2 -6 1 2 50.24 3.46 1.8159 4 -3 1 2 50.30 1.78 1.8140 4 3 1 2 50.38 3.51 1.8114 3 -5 1 2 50.38 8.25 1.8114 -2 -6 1 2 50.55 2.06 1.8057 3 -3 2 2 50.57 4.38 1.8050 3 5 1 2 50.59 10.37 1.8044 2 6 1 2 50.64 3.48 1.8025 -3 -5 1 2 50.76 2.10 1.7987 -4 -3 1 2 50.82 2.07 1.7966 1 7 0 2 50.96 2.39 1.7921 -1 7 0 2 51.19 8.73 1.7846 -2 6 1 2 51.19 2.41 1.7845 4 4 0 2 51.21 1.29 1.7838 0 -1 3 2 51.28 1.73 1.7817 -4 3 1 2 51.41 4.89 1.7773 -3 5 1 2 51.50 1.83 1.7745 -4 4 0 2 52.23 1.41 1.7515 -3 3 2 2 52.36 1.03 1.7474 0 -7 1 2 53.50 4.77 1.7127 1 -7 1 2 53.55 3.87 1.7113 -1 -7 1 2 53.90 3.43 1.7011 4 -4 1 2 53.97 6.79 1.6990 4 4 1 2 54.02 2.22 1.6975 1 7 1 2 54.05 1.02 1.6965 -1 -2 3 2 54.06 3.45 1.6965 5 1 0 2 54.13 1.10 1.6943 3 -4 2 2 54.21 5.09 1.6921 0 -6 2 2 54.31 4.93 1.6891 -4 -4 1 2 54.33 3.28 1.6887 -1 7 1 2 54.56 3.75 1.6819 4 -1 2 2 54.67 4.23 1.6788 4 1 2 2 54.96 9.90 1.6708 2 0 3 2 54.97 1.29 1.6704 -3 -4 2 2 54.97 4.62 1.6703 -4 4 1 2 55.06 9.62 1.6679 0 -3 3 2 55.23 1.28 1.6632 1 -6 2 2 55.31 5.03 1.6611 0 6 2 2 55.34 2.95 1.6601 2 -1 3 2 55.47 1.26 1.6566 -1 -6 2 2 55.58 1.63 1.6536 2 1 3 2 55.78 4.58 1.6481 4 5 0 2 55.87 15.34 1.6455 0 3 3 2 55.89 3.71 1.6450 -4 -1 2 2 56.00 7.40 1.6420 -2 0 3 2 56.14 3.39 1.6384 -4 5 0 2 56.15 3.23 1.6382 -4 1 2 2 56.20 1.90 1.6366 1 6 2 2 56.35 4.34 1.6328 -2 -1 3 2 56.65 2.46 1.6247 -2 1 3 2 56.66 2.12 1.6246 -1 6 2 2 56.88 1.36 1.6187 2 -7 1 2 56.97 2.85 1.6163 -2 -7 1 2 57.08 1.45 1.6135 -3 6 1 2 57.25 2.05 1.6091 2 7 1 2 57.28 1.08 1.6085 -1 3 3 2 57.84 1.19 1.5940 -2 7 1 2 57.99 2.33 1.5904 5 2 1 2 57.99 5.59 1.5904 5 -2 1 2 58.66 3.05 1.5738 -5 -2 1 2 59.01 4.58 1.5653 -5 2 1 2 59.25 2.07 1.5595 1 -4 3 2 59.68 1.54 1.5493 -1 -4 3 2 59.77 1.44 1.5473 3 7 0 2 60.13 2.66 1.5388 -3 7 0 2 60.22 1.35 1.5367 1 4 3 2 60.59 1.15 1.5282 3 -1 3 2 60.80 1.51 1.5235 3 1 3 2 61.07 1.54 1.5173 4 6 0 2 61.48 2.12 1.5082 -4 6 0 2 61.57 1.09 1.5063 2 8 0 2 62.02 1.52 1.4964 -3 -1 3 2 62.32 1.14 1.4899 -3 1 3 2 62.52 1.05 1.4856 1 7 2 2 62.73 1.37 1.4812 -4 -4 2 2 63.67 1.04 1.4616 -4 4 2 2 64.24 1.83 1.4499 5 1 2 2 65.37 1.81 1.4276 5 5 0 2 65.67 1.40 1.4218 -5 -1 2 2 65.78 3.60 1.4196 -5 5 0 2 65.79 1.38 1.4195 4 -5 2 2 65.90 2.18 1.4173 6 1 0 2 66.00 1.78 1.4154 -6 1 0 2 66.28 1.34 1.4102 4 5 2 2 66.47 1.05 1.4065 -1 9 0 2 66.68 1.66 1.4027 3 8 0 2 66.72 1.89 1.4019 -4 -5 2 2 67.01 2.66 1.3966 4 7 0 2 67.07 1.42 1.3954 -3 8 0 2 67.20 1.96 1.3930 6 2 0 2 67.40 1.93 1.3895 -6 2 0 2 67.46 1.19 1.3883 -4 7 0 2 67.57 3.51 1.3863 0 -9 1 2 68.02 1.49 1.3782 6 1 1 2 68.30 2.48 1.3734 0 9 1 2 68.57 1.31 1.3686 1 -9 1 2 68.58 1.06 1.3684 -1 -9 1 2 68.86 2.26 1.3636 4 -2 3 2 69.21 2.05 1.3575 4 2 3 2 69.27 1.90 1.3564 2 9 0 2 69.34 1.43 1.3552 6 2 1 2 69.38 1.19 1.3546 6 -2 1 2 69.39 1.03 1.3543 4 -7 1 2 69.44 1.07 1.3534 -1 9 1 2 69.45 1.56 1.3533 3 -7 2 2 69.50 1.67 1.3524 4 7 1 2 69.56 1.70 1.3515 -4 -7 1 2 69.56 1.79 1.3515 -2 9 0 2 69.80 7.63 1.3474 0 0 4 2 70.11 1.29 1.3423 -6 -2 1 2 70.46 1.35 1.3365 -6 2 1 2 70.56 1.68 1.3347 -4 7 1 2 70.57 2.17 1.3346 -4 -2 3 2 70.63 1.74 1.3336 4 -6 2 2 70.77 1.30 1.3312 1 -1 4 2 70.97 1.07 1.3281 4 -3 3 2 71.03 2.88 1.3271 2 -6 3 2 71.11 1.20 1.3257 2 -8 2 2 71.17 1.68 1.3248 -4 2 3 2 71.37 1.06 1.3216 -1 -1 4 2 71.47 1.89 1.3200 -2 -8 2 2 71.75 2.35 1.3155 -2 -6 3 2 72.20 1.13 1.3085 -3 -5 3 2 72.26 2.80 1.3075 2 6 3 2 73.35 2.00 1.2907 -2 6 3 2 73.61 1.39 1.2869 -3 5 3 2 73.80 2.44 1.2840 1 -7 3 2 73.91 1.12 1.2823 4 -4 3 2 74.14 2.17 1.2790 -1 -7 3 2 74.54 1.88 1.2731 6 4 1 2 74.59 2.42 1.2723 4 4 3 2 74.60 1.64 1.2722 5 -5 2 2 74.60 1.13 1.2722 6 -4 1 2 74.64 1.98 1.2715 1 10 0 2 74.80 2.28 1.2693 -1 10 0 2 74.97 1.19 1.2669 6 -1 2 2 74.98 1.57 1.2666 5 5 2 2 75.03 1.65 1.2660 6 1 2 2 75.12 1.68 1.2646 -6 -4 1 2 75.45 1.61 1.2599 -4 -4 3 2 75.70 1.01 1.2564 -5 -5 2 2 75.80 1.18 1.2549 -6 4 1 2 75.89 1.40 1.2538 3 -8 2 2 75.97 1.07 1.2525 -4 -8 1 2 76.21 2.31 1.2492 6 -2 2 2 76.34 1.27 1.2475 6 2 2 2 76.40 1.45 1.2465 -3 -8 2 2 76.56 2.59 1.2445 2 -3 4 2 76.63 1.51 1.2435 -4 4 3 2 76.66 1.63 1.2431 -6 -1 2 2 76.75 1.22 1.2419 3 8 2 2 76.78 1.12 1.2413 1 9 2 2 76.83 1.74 1.2407 4 7 2 2 76.85 2.36 1.2404 -5 5 2 2 76.90 1.47 1.2397 -6 1 2 2 76.94 1.30 1.2392 -4 -7 2 2 77.38 2.24 1.2332 2 3 4 2 77.42 1.28 1.2328 5 -2 3 2 77.65 1.62 1.2297 -2 -3 4 2 77.72 1.33 1.2287 5 2 3 2 77.80 1.62 1.2276 -6 -2 2 2 78.00 1.39 1.2250 -3 8 2 2 78.29 1.04 1.2212 -6 2 2 2 78.33 1.70 1.2207 2 -9 2 2 78.64 1.52 1.2166 -2 -9 2 2 78.65 1.44 1.2164 -2 3 4 2 79.42 2.00 1.2066 2 9 2 2 79.59 1.09 1.2045 3 2 4 2 80.06 1.35 1.1986 -7 2 0 2 80.08 2.41 1.1984 -5 2 3 2 80.28 1.70 1.1958 -2 9 2 2 81.43 1.36 1.1819 -3 2 4 2 81.75 1.11 1.1780 -2 4 4 2 83.45 1.34 1.1583 1 -10 2 2 83.59 1.34 1.1567 -1 -10 2 2 84.17 2.20 1.1502 0 -6 4 2 84.33 1.27 1.1485 3 -10 1 2 84.38 1.25 1.1479 5 8 1 2 84.38 2.64 1.1479 5 -8 1 2 84.50 1.74 1.1466 4 1 4 2 84.50 2.10 1.1466 -5 -8 1 2 84.80 1.27 1.1433 1 10 2 2 85.24 1.54 1.1385 -1 10 2 2 85.51 1.14 1.1356 -3 10 1 2 85.70 1.92 1.1335 -5 8 1 2 85.97 2.61 1.1307 0 6 4 2 86.22 2.36 1.1281 0 -9 3 2 86.51 1.02 1.1251 -4 -1 4 2 86.52 1.58 1.1249 6 1 3 2 86.87 1.45 1.1213 -4 1 4 2 88.24 1.23 1.1074 0 9 3 2 88.33 1.31 1.1065 7 -2 2 2 88.89 1.05 1.1010 1 9 3 2 89.46 1.29 1.0955 -1 9 3 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.