Hummerite Hughes J M, Schindler M, Rakovan J F, Cureton F E The Canadian Mineralogist 40 (2002) 1429-1435 The crystal structure of hummerite, K Mg(V5O14).8H2O: Bonding between the [V10O28] structural units and the {K2Mg2(H2O)16} interstitial complex _database_code_amcsd 0005792 CELL PARAMETERS: 8.8178 10.7236 11.0707 65.789 74.057 71.853 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 894.126 Density (g/cm3): 2.549 MAX. ABS. INTENSITY / VOLUME**2: 14.15362534 RIR: 1.808 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.89 45.21 9.9507 0 0 1 2 9.28 41.66 9.5257 0 1 0 2 10.33 44.56 8.5670 0 1 1 2 10.71 100.00 8.2579 1 0 0 2 12.00 49.15 7.3724 1 1 1 2 12.49 9.27 7.0851 1 1 0 2 12.72 17.78 6.9611 1 0 1 2 15.06 1.04 5.8833 -1 0 1 2 15.72 4.74 5.6389 -1 1 0 2 17.07 2.08 5.1935 1 1 2 2 17.33 1.08 5.1177 -1 1 1 2 17.33 4.95 5.1163 1 2 1 2 17.83 15.06 4.9754 0 0 2 2 18.63 6.01 4.7629 0 2 0 2 18.81 3.10 4.7185 1 -1 1 2 19.29 2.49 4.6020 1 2 0 2 19.73 2.60 4.5000 1 2 2 2 21.43 2.98 4.1469 2 1 0 2 21.52 7.62 4.1289 2 0 0 2 22.69 2.04 3.9190 -1 1 2 2 23.45 1.48 3.7929 -1 2 1 2 24.14 7.32 3.6862 2 2 2 2 24.61 1.49 3.6171 -1 -2 1 2 24.71 1.74 3.6035 -2 0 1 2 25.20 1.19 3.5345 1 3 1 2 25.31 2.88 3.5188 1 2 3 2 25.38 9.54 3.5092 -2 1 0 2 25.59 2.71 3.4806 2 0 2 2 25.78 4.85 3.4558 1 3 2 2 26.26 1.45 3.3942 0 3 1 2 26.75 1.52 3.3332 0 2 3 2 26.88 7.58 3.3169 0 0 3 2 27.06 5.00 3.2957 -2 1 1 2 27.43 2.35 3.2510 0 3 2 2 27.72 2.33 3.2182 1 3 0 2 28.10 4.84 3.1752 0 3 0 2 28.34 1.26 3.1490 2 2 3 2 28.53 7.90 3.1284 2 3 2 2 30.04 5.97 2.9745 -2 -2 1 2 30.70 10.15 2.9119 -1 0 3 2 31.23 9.06 2.8637 2 3 3 2 31.36 1.38 2.8527 -1 3 1 2 31.61 13.56 2.8308 2 0 3 2 32.17 2.96 2.7825 -2 2 1 2 32.24 2.93 2.7767 3 0 1 2 32.50 12.99 2.7548 0 -3 1 2 32.53 9.78 2.7526 3 0 0 2 32.69 1.43 2.7393 -1 -3 1 2 32.89 8.94 2.7234 -1 3 2 2 33.85 3.72 2.6479 0 1 4 2 34.22 1.06 2.6200 -1 -1 3 2 34.23 1.19 2.6197 0 2 4 2 34.46 1.03 2.6028 3 0 2 2 34.74 1.75 2.5824 3 3 2 2 35.07 1.60 2.5589 -2 2 2 2 35.28 1.84 2.5439 3 3 1 2 35.55 1.20 2.5256 0 4 2 2 35.57 2.29 2.5240 3 1 3 2 35.89 1.00 2.5020 1 0 4 2 36.68 2.21 2.4502 -2 -2 2 2 36.72 2.82 2.4473 -1 3 3 2 37.05 2.23 2.4266 2 -1 3 2 37.88 7.64 2.3750 0 4 3 2 38.10 6.36 2.3617 3 3 0 2 38.81 1.13 2.3204 3 0 3 2 38.97 10.49 2.3111 2 0 4 2 42.19 6.45 2.1417 0 4 4 2 42.33 1.36 2.1354 -1 3 4 2 42.82 16.90 2.1117 -3 -3 1 2 42.91 1.15 2.1076 -2 -3 2 2 43.14 2.96 2.0971 -1 4 3 2 44.04 2.35 2.0562 3 -1 3 2 44.05 2.29 2.0558 -3 -2 2 2 44.30 1.24 2.0449 3 4 0 2 44.36 3.62 2.0423 2 -1 4 2 44.77 6.07 2.0243 3 0 4 2 45.73 1.89 1.9842 0 5 3 2 46.73 1.61 1.9439 4 3 0 2 47.44 2.90 1.9166 -1 4 4 2 48.04 4.58 1.8938 3 1 5 2 48.81 3.47 1.8659 0 5 4 2 49.20 1.14 1.8519 -3 -4 1 2 50.16 1.49 1.8187 3 -1 4 2 50.24 2.24 1.8160 3 -3 1 2 51.16 4.42 1.7853 -4 -3 1 2 51.73 2.53 1.7673 2 6 2 2 51.93 1.00 1.7607 3 0 5 2 53.50 3.02 1.7128 5 3 3 2 53.55 2.18 1.7114 -3 1 4 2 54.03 3.34 1.6971 -1 5 4 2 55.48 1.61 1.6561 -1 -3 4 2 56.05 1.17 1.6406 0 -2 5 2 59.64 4.02 1.5502 2 4 7 2 62.08 1.28 1.4952 3 7 3 2 63.36 1.52 1.4679 0 -3 5 2 63.53 1.77 1.4644 -4 1 4 2 64.00 2.35 1.4548 6 3 3 2 65.61 1.89 1.4228 -3 5 0 2 66.04 1.10 1.4147 5 6 2 2 68.04 1.55 1.3778 4 -4 1 2 71.39 1.47 1.3212 3 8 3 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.