00-055-0740 Ca3 Si O5 Ca3 O5 Si Calcium Silicate Monoclinic 3.179 Ambient Primary 18.5179(10) 7.0330(4) 36.694(19) 116.0380(40) 36.00 4293.85 119.27 1.982 2.633 5.217 4293.85 2146.93 33.058 7.033 18.518 90.00 94.18 90.00 0.560 4.700 2.633 7.033 16.899 18.518 94.09 90.00 102.01 36.00 F(30) = 230.1(0.0006, 230) Cm (8) 228.32 Rietveld (R) 1.5405 CuKá1 Calculated Calculated 8C Space Group Im (8) mC324.00 03/01/2004 01/12/2011 Ca52.66 O35.04 Si12.30 Ca33.33 O55.56 Si11.11 Primary Pattern, Inorganic, Ceramic, Cement and Hydration Product 00-049-0442 (Primary), 00-055-0738 (Primary), 00-055-0739 (Primary), 04-009-5560 Primary Reference de Noirfontaine, M.-N., CNRS-CECM, Vitry-sur-Seine, France. Private Communication (2003). Unit Cell "Polymorphism of tricalcium silicate in portland cement: a fast visual identification of structure and superstructure." de Noirfontaine, M.-N., Dunstetter, F., Courtial, M., Gasecki, G., Signes-Frehel, M. Powder Diffr. 18, 7 (2003). Additional Patterns: See 00-049-0442, 00-055-0738 and 00-055-0739. General Comments: Rietveld refinement. Non-centrosymmetric, Optical Activity, Pyro / Piezo (p), Piezo (2nd Harm.) 1.54056 PDF Card - 00-055-0740_cement_Calciumsilicate_69%.jpg 14.9074 5.937800 32 2 0 -6 14.9426 5.923900 58 0 1 3 16.1714 5.476400 21 2 1 -3 22.9615 3.870000 25 2 0 6 23.0164 3.860900 42 4 1 -3 25.2274 3.527300 32 2 1 -9 25.3054 3.516600 14 0 2 0 27.4288 3.249000 10 0 1 9 27.5143 3.239100 11 2 2 0 27.8075 3.205600 13 1 0 -11 28.0846 3.174600 35 5 0 1 29.3979 3.035700 273 2 0 -12 29.4963 3.025800 640 2 2 -6 30.0738 2.969000 84 4 0 -12 30.1465 2.962000 164 0 2 6 32.2541 2.773100 999 6 0 0 32.5630 2.747500 363 0 0 12 32.6767 2.738200 701 4 2 -6 33.2523 2.692100 17 2 1 9 33.2982 2.688500 18 6 1 -9 33.3364 2.685500 29 4 2 0 33.5953 2.665400 14 1 2 7 34.3887 2.605700 395 6 0 -12 34.4323 2.602500 759 2 2 6 36.6616 2.449200 68 7 0 -1 38.7322 2.322900 61 2 0 12 38.8504 2.316100 168 6 2 -6 38.8941 2.313600 21 7 0 -13 38.9502 2.310400 15 6 1 3 39.1264 2.300400 14 4 1 -15 39.1689 2.298000 12 2 2 -12 39.2614 2.292800 15 0 3 3 39.4585 2.281800 24 3 2 7 41.3398 2.182200 149 8 0 -12 41.3556 2.181400 47 4 1 9 41.3596 2.181200 307 4 2 6 41.4092 2.178700 59 8 1 -9 41.4331 2.177500 64 6 2 0 41.6693 2.165700 48 6 1 -15 41.6834 2.165000 61 0 2 12 41.6895 2.164700 11 1 2 11 41.7784 2.160300 54 2 3 3 43.1749 2.093600 9 6 2 -12 43.2422 2.090500 14 4 3 -3 43.7702 2.066500 18 5 2 5 45.7712 1.980700 26 2 0 -18 45.8055 1.979300 11 6 0 -18 45.9207 1.974600 30 0 3 9 45.9355 1.974000 48 4 3 -9 46.9161 1.935000 42 4 0 12 47.0346 1.930400 109 8 2 -6 49.6952 1.833100 33 3 2 -17 49.7358 1.831700 22 0 0 18 49.9162 1.825500 46 6 3 -9 50.0539 1.820800 41m 6 2 6 50.0539 1.820800 m 10 0 -12 51.7922 1.763700 486 4 2 -18 51.9632 1.758300 246 0 4 0 54.2034 1.690800 12 5 0 13 54.3216 1.687400 15 5 2 -19 55.9792 1.641300 17 10 0 -18 56.0312 1.639900 25 4 3 9 56.5113 1.627100 112 6 0 12 56.6289 1.624000 231 10 2 -6 56.8082 1.619300 9 7 2 7 57.9213 1.590800 12 5 3 8 59.2273 1.558800 9 7 0 11 60.0499 1.539400 159 8 2 6 60.0628 1.539100 93 12 0 -12 60.6323 1.526000 20 6 0 -24 60.8305 1.521500 34 2 4 -12 61.2133 1.512900 17 4 4 -12 61.9898 1.495800 14 1 2 19 62.2998 1.489100 129 2 2 18 62.3836 1.487300 170 10 2 -18 62.4911 1.485000 157 6 4 0 62.5145 1.484500 42 8 0 -24 62.6790 1.481000 100 0 4 12 63.0536 1.473100 15m 3 2 17 63.0536 1.473100 m 11 2 -15 63.5589 1.462600 42 2 0 -24 63.8075 1.457500 112 6 4 -12 64.0286 1.453000 12 10 3 -9 65.2821 1.428100 9 10 0 6 65.3335 1.427100 13 12 1 -3 66.5251 1.404400 12m 10 0 -24 66.5251 1.404400 m 9 3 2 67.4927 1.386600 58m 3 4 11 67.4927 1.386600 m 12 0 0 68.2075 1.373800 14 0 0 24 68.4684 1.369200 33m 3 5 -4 68.4684 1.369200 m 8 4 -12 71.2078 1.323100 14 10 2 6 72.5883 1.301300 13 4 4 12 79.3909 1.206000 17 14 2 -6