Heulandite-Ca Gunter M E, Armbruster T, Kohler T, Knowles C R American Mineralogist 79 (1994) 675-682 Crystal structure and optical properties of Na- and Pb-exchanged heulandite-group zeolites Sample: nonexchanged Atomic parameters from ICSD _database_code_amcsd 0001668 CELL PARAMETERS: 17.6710 17.8750 7.4120 90.000 116.390 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 2097.242 Density (g/cm3): 2.163 MAX. ABS. INTENSITY / VOLUME**2: 4.568680314 RIR: 0.688 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.46 3.55 11.8506 1 1 0 4 9.90 100.00 8.9375 0 2 0 2 11.18 42.25 7.9147 2 0 0 2 13.05 24.61 6.7836 -2 0 1 2 13.34 11.13 6.6396 0 0 1 2 14.95 5.04 5.9253 2 2 0 4 15.89 2.33 5.5764 1 3 0 4 16.41 3.42 5.4034 -2 2 1 4 16.63 6.04 5.3298 0 2 1 4 16.91 23.54 5.2445 -3 1 1 4 17.35 29.64 5.1123 1 1 1 4 17.52 14.42 5.0606 3 1 0 4 19.11 28.41 4.6432 -1 3 1 4 20.39 9.51 4.3559 -4 0 1 2 22.37 61.29 3.9746 1 3 1 4 22.47 17.55 3.9574 4 0 0 2 22.51 32.42 3.9502 3 3 0 4 22.71 17.41 3.9156 -4 2 1 4 22.85 31.40 3.8913 2 4 0 4 23.21 10.10 3.8325 2 2 1 4 23.84 2.66 3.7318 -2 4 1 4 24.02 7.40 3.7046 -2 0 2 2 24.60 1.80 3.6185 4 2 0 4 25.03 12.64 3.5571 -3 1 2 4 25.34 3.35 3.5149 -1 1 2 4 25.54 1.46 3.4872 1 5 0 4 25.71 6.05 3.4649 -5 1 1 4 26.04 32.74 3.4222 -2 2 2 4 26.28 19.44 3.3918 -4 0 2 2 26.30 2.02 3.3883 3 1 1 4 26.86 10.77 3.3198 0 0 2 2 28.14 29.93 3.1711 -4 2 2 4 28.62 21.31 3.1192 -4 4 1 4 28.80 3.75 3.0998 -3 3 2 4 29.07 14.23 3.0718 -1 3 2 4 29.50 3.61 3.0281 -5 1 2 4 29.83 12.98 2.9952 -3 5 1 4 29.92 2.37 2.9862 3 3 1 4 29.99 2.70 2.9792 0 6 0 2 30.09 31.83 2.9699 1 5 1 4 30.20 27.37 2.9597 3 5 0 4 30.28 14.70 2.9518 1 1 2 4 30.39 2.45 2.9411 -6 0 1 2 31.03 3.92 2.8823 4 0 1 2 32.01 28.99 2.7958 5 3 0 4 32.04 12.55 2.7937 -6 2 1 4 32.64 2.09 2.7432 4 2 1 4 32.65 1.57 2.7430 -6 0 2 2 32.80 1.96 2.7308 -5 3 2 4 32.83 8.41 2.7277 -2 6 1 4 32.95 5.69 2.7181 0 6 1 4 33.51 3.33 2.6744 1 3 2 4 33.60 1.12 2.6676 2 0 2 2 33.63 3.51 2.6649 0 4 2 4 35.11 3.59 2.5561 2 2 2 4 35.46 3.39 2.5314 -1 5 2 4 35.48 2.63 2.5303 6 2 0 4 35.61 2.20 2.5210 1 7 0 4 35.74 3.97 2.5125 -5 5 1 4 36.17 3.40 2.4833 -7 1 1 4 36.18 3.40 2.4828 3 5 1 4 36.54 2.23 2.4590 -4 6 1 4 36.58 3.33 2.4568 -6 4 1 4 36.67 1.04 2.4506 -4 0 3 2 36.83 1.43 2.4407 5 1 1 4 36.87 6.78 2.4381 2 6 1 4 37.00 2.69 2.4299 -2 0 3 2 37.12 6.34 2.4222 4 4 1 4 37.18 4.39 2.4182 -7 1 2 4 37.80 2.58 2.3801 4 6 0 4 38.08 4.08 2.3634 -4 2 3 4 38.20 2.74 2.3558 -5 1 3 4 38.24 2.41 2.3535 3 1 2 4 38.39 3.50 2.3448 -2 2 3 4 38.51 1.11 2.3377 -6 4 2 4 38.90 1.30 2.3151 -3 7 1 4 39.19 1.17 2.2985 3 7 0 4 39.34 1.00 2.2905 2 4 2 4 39.67 3.04 2.2719 6 4 0 4 40.92 2.50 2.2056 3 3 2 4 41.18 2.10 2.1921 -6 2 3 4 42.34 3.12 2.1347 -2 4 3 4 42.60 1.12 2.1222 -2 8 1 4 42.62 1.24 2.1212 4 0 2 2 42.77 2.13 2.1142 7 3 0 4 43.32 2.56 2.0885 -3 7 2 4 43.36 4.32 2.0869 6 2 1 4 43.70 3.43 2.0715 4 6 1 4 44.05 1.27 2.0556 1 1 3 4 44.67 1.28 2.0286 5 5 1 4 44.93 4.37 2.0176 -6 4 3 4 44.97 2.56 2.0157 -7 5 2 4 45.95 1.42 1.9751 6 6 0 4 46.06 1.26 1.9707 1 9 0 4 46.23 1.19 1.9639 -5 7 2 4 46.34 2.23 1.9592 -8 4 1 4 46.38 2.94 1.9578 -8 4 2 4 46.39 7.44 1.9573 -1 5 3 4 46.75 2.48 1.9430 -9 1 2 4 46.97 2.42 1.9346 6 4 1 4 47.14 1.28 1.9277 -8 2 3 4 47.39 1.01 1.9184 -1 9 1 4 47.52 1.50 1.9133 -2 8 2 4 49.01 1.03 1.8588 3 9 0 4 49.05 1.10 1.8572 -9 3 2 4 49.19 1.80 1.8523 -4 0 4 2 49.98 1.06 1.8247 -7 5 3 4 50.00 2.69 1.8242 -3 1 4 4 50.24 1.17 1.8159 5 3 2 4 50.27 1.77 1.8148 -6 0 4 2 51.10 2.36 1.7875 0 10 0 2 51.43 1.15 1.7766 0 6 3 4 51.48 1.41 1.7753 -3 7 3 4 51.55 1.25 1.7730 5 7 1 4 51.77 1.42 1.7659 -10 0 2 2 51.77 1.82 1.7659 4 8 1 4 51.82 6.96 1.7644 -7 7 2 4 52.19 2.85 1.7527 -3 3 4 4 52.52 1.39 1.7423 -3 9 2 4 52.61 1.01 1.7397 -5 7 3 4 53.06 3.60 1.7260 0 10 1 4 53.21 2.69 1.7214 3 9 1 4 53.79 1.51 1.7041 3 3 3 4 54.08 1.07 1.6959 -8 0 4 2 54.11 1.10 1.6950 -9 5 1 4 54.18 2.50 1.6929 7 7 0 4 54.23 2.48 1.6915 -10 0 3 2 55.12 3.55 1.6662 -8 2 4 4 55.77 2.61 1.6483 8 6 0 4 55.90 1.58 1.6447 -2 8 3 4 56.49 1.46 1.6290 4 10 0 4 57.04 4.47 1.6147 2 6 3 4 57.92 4.31 1.5922 3 5 3 4 58.03 2.04 1.5893 -6 8 3 4 58.29 1.43 1.5829 10 0 0 2 58.99 1.11 1.5659 7 1 2 4 59.22 1.51 1.5603 -8 8 1 4 59.74 1.13 1.5478 6 8 1 4 60.99 1.17 1.5191 4 10 1 4 61.04 1.15 1.5181 5 1 3 4 62.72 1.98 1.4813 8 8 0 4 64.18 2.19 1.4510 -12 2 2 4 64.92 1.49 1.4365 -5 11 2 4 65.03 1.88 1.4342 -11 5 3 4 65.10 2.53 1.4329 1 9 3 4 65.34 1.35 1.4281 1 11 2 4 65.76 1.22 1.4201 -12 0 1 2 65.95 1.68 1.4164 -2 0 5 2 66.20 2.10 1.4116 -11 3 4 4 66.32 1.31 1.4094 -4 12 1 4 67.46 1.53 1.3883 10 2 1 4 67.80 2.34 1.3822 -8 10 1 4 68.55 1.59 1.3689 -5 5 5 4 69.37 2.80 1.3547 -7 5 5 4 69.49 1.71 1.3526 -7 11 2 4 70.06 1.01 1.3431 -3 5 5 4 71.55 1.26 1.3187 -12 6 2 4 72.20 1.14 1.3084 5 7 3 4 72.71 2.16 1.3006 2 12 2 4 74.55 1.99 1.2729 -4 12 3 4 75.05 1.79 1.2657 -2 10 4 4 75.36 1.12 1.2612 5 13 0 4 76.19 1.83 1.2496 -9 11 2 4 77.75 1.52 1.2284 -12 8 2 4 77.93 1.07 1.2259 -13 5 1 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.