Poldervaartite Yano T, Urabe K, Ikawa H, Teraushi T, Ishizawa N, Udagawa S Acta Crystallographica C49 (1993) 1555-1559 Structure of alpha-dicalcium silicate hydrate Note: Structure revised in Marsh (1994) _database_code_amcsd 0010286 CELL PARAMETERS: 9.4870 9.1790 10.6660 90.000 90.000 90.000 SPACE GROUP: P2_12_12_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 928.808 Density (g/cm3): 2.692 MAX. ABS. INTENSITY / VOLUME**2: 10.58778082 RIR: 1.281 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.62 8.71 5.3330 0 0 2 2 19.09 1.87 4.6488 1 0 2 4 19.34 1.93 4.5895 0 2 0 2 21.07 19.77 4.2158 0 2 1 4 21.08 22.16 4.2141 2 1 0 4 21.43 3.07 4.1473 1 1 2 4 22.69 17.21 3.9193 2 1 1 4 23.09 3.82 3.8525 1 2 1 4 25.13 20.33 3.5443 2 0 2 4 25.61 2.05 3.4787 0 2 2 4 26.97 11.53 3.3064 2 1 2 4 27.03 7.96 3.2984 2 2 0 4 27.31 100.00 3.2660 1 2 2 4 28.52 2.52 3.1297 1 1 3 4 31.06 25.74 2.8789 3 1 1 4 31.84 7.31 2.8106 0 2 3 4 31.86 15.59 2.8092 1 3 1 4 31.90 2.50 2.8052 2 2 2 4 32.93 7.33 2.7201 3 0 2 4 32.96 1.30 2.7174 2 1 3 4 33.25 11.56 2.6949 1 2 3 4 33.61 17.25 2.6665 0 0 4 2 34.39 24.83 2.6080 3 1 2 4 34.89 14.74 2.5712 2 3 0 4 34.95 2.28 2.5670 1 0 4 4 35.11 1.44 2.5558 1 3 2 4 35.49 18.48 2.5297 3 2 1 4 35.93 3.97 2.4996 2 3 1 4 36.34 4.82 2.4722 1 1 4 4 37.18 41.69 2.4180 2 2 3 4 38.47 3.44 2.3400 3 2 2 4 38.74 1.78 2.3244 2 0 4 4 38.88 5.33 2.3161 2 3 2 4 39.07 6.70 2.3056 0 2 4 4 39.38 1.55 2.2883 3 1 3 4 40.02 1.05 2.2528 1 3 3 4 40.17 5.90 2.2449 4 1 1 4 40.25 2.48 2.2404 1 2 4 4 41.68 5.72 2.1671 4 0 2 4 42.91 2.09 2.1079 0 4 2 4 42.92 6.30 2.1070 4 2 0 4 43.06 1.02 2.1008 3 2 3 4 43.43 8.64 2.0835 2 3 3 4 43.80 2.15 2.0671 4 2 1 4 43.83 2.32 2.0657 2 4 0 4 44.01 13.42 2.0577 1 4 2 4 44.44 1.34 2.0385 3 0 4 4 44.57 2.55 2.0329 3 3 2 4 44.68 1.85 2.0280 2 4 1 4 45.58 1.92 1.9900 3 1 4 4 46.16 2.37 1.9666 1 3 4 4 46.33 8.69 1.9596 4 2 2 4 47.11 3.97 1.9290 4 1 3 4 47.14 7.64 1.9280 0 4 3 4 47.18 1.99 1.9263 2 4 2 4 48.00 2.32 1.8954 1 2 5 4 48.16 1.17 1.8894 1 4 3 4 48.57 2.32 1.8745 4 3 0 4 48.89 1.39 1.8630 3 2 4 4 49.23 1.26 1.8509 2 3 4 4 49.36 5.85 1.8462 4 3 1 4 49.84 1.18 1.8297 3 4 1 4 50.34 1.11 1.8126 4 2 3 4 50.98 12.20 1.7912 2 2 5 4 51.09 6.47 1.7876 5 0 2 4 51.14 9.72 1.7861 2 4 3 4 51.40 3.31 1.7777 0 0 6 2 51.57 1.55 1.7722 4 0 4 4 52.36 3.11 1.7473 1 0 6 4 52.60 2.00 1.7400 4 1 4 4 52.62 3.01 1.7393 0 4 4 4 52.71 6.79 1.7365 3 1 5 4 53.23 5.16 1.7209 1 3 5 4 53.38 3.03 1.7164 1 1 6 4 53.57 2.33 1.7108 1 4 4 4 53.68 3.80 1.7075 1 5 2 4 54.06 1.63 1.6965 3 3 4 4 55.14 6.56 1.6657 5 2 2 4 55.18 3.29 1.6646 2 0 6 4 55.41 2.45 1.6582 4 3 3 4 55.59 4.80 1.6532 4 2 4 4 55.70 2.42 1.6502 3 2 5 4 55.74 8.98 1.6492 4 4 0 4 56.01 2.73 1.6417 2 3 5 4 56.34 1.36 1.6330 2 4 4 4 56.34 5.61 1.6329 1 2 6 4 57.31 4.25 1.6076 1 5 3 4 57.83 4.52 1.5944 5 3 1 4 58.36 2.20 1.5812 6 0 0 2 58.80 11.45 1.5704 3 5 1 4 59.03 2.43 1.5649 2 2 6 4 59.82 6.27 1.5460 5 0 4 4 59.93 2.29 1.5435 5 3 2 4 59.97 1.76 1.5425 2 5 3 4 60.52 3.24 1.5298 0 6 0 2 60.75 4.58 1.5245 5 1 4 4 61.90 1.29 1.4991 4 2 5 4 62.16 1.15 1.4932 1 5 4 4 62.60 3.83 1.4840 2 4 5 4 62.76 2.53 1.4805 6 2 1 4 63.24 2.49 1.4705 0 6 2 4 64.08 1.26 1.4532 1 6 2 4 64.25 4.27 1.4497 3 5 3 4 64.81 1.21 1.4385 4 5 1 4 65.10 1.07 1.4329 2 1 7 4 66.68 2.03 1.4026 4 4 4 4 68.03 1.74 1.3781 6 2 3 4 68.82 1.04 1.3642 3 5 4 4 69.06 1.86 1.3600 6 0 4 4 69.14 3.38 1.3587 4 2 6 4 71.45 1.49 1.3203 1 0 8 4 71.78 1.40 1.3151 3 2 7 4 72.30 1.01 1.3068 1 1 8 4 72.44 1.67 1.3047 4 4 5 4 72.61 1.10 1.3020 6 4 0 4 73.24 1.31 1.2924 6 4 1 4 73.38 1.52 1.2903 7 2 1 4 74.05 1.96 1.2803 0 2 8 4 75.25 1.74 1.2628 7 2 2 4 75.79 1.08 1.2551 2 7 1 4 75.83 1.09 1.2545 7 1 3 4 76.27 2.27 1.2484 5 2 6 4 77.56 2.75 1.2309 7 3 1 4 80.12 2.04 1.1979 7 1 4 4 80.69 1.66 1.1909 2 7 3 4 81.48 1.73 1.1812 3 7 2 4 82.43 1.57 1.1700 6 4 4 4 83.10 3.16 1.1623 5 6 2 4 83.11 2.11 1.1622 4 0 8 4 83.30 1.79 1.1600 7 4 1 4 83.34 2.05 1.1596 0 6 6 4 83.94 1.88 1.1528 0 4 8 4 84.70 1.65 1.1444 1 4 8 4 85.01 1.28 1.1410 4 7 1 4 85.27 2.27 1.1382 2 5 7 4 86.10 1.30 1.1293 5 4 6 4 87.33 2.05 1.1166 8 1 3 4 88.06 1.01 1.1092 2 8 1 4 88.23 1.78 1.1075 5 3 7 4 89.01 1.04 1.0998 8 3 1 4 89.64 1.18 1.0937 6 6 1 4 89.93 1.25 1.0909 5 0 8 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.