Institute of Experimental Mineralogy Russian Academy of Sciences ------------------------------------------------- 142432, Chernogolovka, Moscow district A.V. Chichagov +7(496)52-22320 *** *** W W W - X R A Y P O L *** *********************** FERBERITE 2, light, s-ferberite (Fe,Mn,Mg)(2.21)W(1.91)O(8) Monoclinic P 2/c Z = 1 R =0.07 28 .11 .1989 Ref.Str.: C.Escobar, H.Cid-Dresdner, P.Kittl, I.Dumler (1971) * Amer. Mineral., 56, 489-498 Initial data from BDM-file Lattice parameters (cub. angs.,degr.): a = 4.753 alpha = 90.0 b = 5.72 beta = 90.08 c = 4.968 gamma = 90.0 Unit cell volume (cub. angs.) = 135.07 Molar volume ( cub.cm/mol.) = 81.36 Co-ordinates, thermal parameters, occupation for atomic positions: NoP x/a y/b z/c B(j) atom / occupation 1 0.0 0.1808 0.25 0.2 W = 1.00 2 0.5 0.3215 0.75 0.45 Fe = 1.00 3 0.2167 0.1017 0.5883 0.6 O = 1.00 4 0.2583 0.39 0.09 0.6 O = 1.00 Co-ordinates for all atomic positions : No NoP x/a y/b z/c 1 1 0.0 0.1808 0.25 2 2 0.5 0.3215 0.75 3 3 0.2167 0.1017 0.5883 4 4 0.2583 0.39 0.09 5 3 0.7833 0.1017 0.9117 6 4 0.7417 0.39 0.41 7 1 0.0 0.8192 0.75 8 2 0.5 0.6785 0.25 9 3 0.2167 0.8983 0.0883 10 4 0.2583 0.61 0.59 11 3 0.7833 0.8983 0.4117 12 4 0.7417 0.61 0.91 X-ray density (g/cm cub.) = 7.46 MU (1/cm) = 1243.827 Mass attenuation coefficient (cm**2/g) = 166.622 Selected interatomic distances (cation-anion,anion-anion): NoP Atom Rad.sph. C.N. Distance NoP N. (angs.) (angs.) 1 W 2.448 6 2.0212 3 1.8904 4 2.0212 3 1.8904 4 2.0784 3 2.0784 3 2 Fe 2.592 6 2.009 3 2.0813 4 2.009 3 2.0813 4 2.1615 4 2.1615 4 3 O 3.264 12 2.9949 4 2.9813 4 3.134 3 2.6142 3 3.1204 4 2.9318 4 2.743 3 2.743 3 2.9142 4 2.8195 4 3.0631 3 2.5222 3 4 O 3.264 12 2.9813 3 2.9949 3 3.1204 3 2.9318 3 2.7922 4 2.927 4 2.9142 3 2.8195 3 2.7846 4 2.7846 4 2.7691 4 2.8993 4 X-ray diffraction powder data (II), X-Ray W.L. = 1.78892(angs.): No H K L Theta 2*Theta S LPG MF F I int. ( degree ) *100 1 0 1 0 8.997 17.993 0.087 78.86 2 39.5 1349.3 2 1 0 0 10.847 21.694 0.105 53.57 2 96.3 5446.0 3 0 1 1 13.796 27.593 0.133 32.33 4 82.5 4819.0 4 1 1 0 14.163 28.326 0.137 30.58 4 81.0 4402.8 5 1 1 -1 17.676 35.351 0.17 18.96 4 151.2 9500.3 6 1 1 1 17.694 35.389 0.17 18.91 4 153.1 9727.1 7 0 2 0 18.225 36.45 0.175 17.73 2 96.9 1823.4 8 0 0 2 21.106 42.211 0.201 12.8 2 144.0 2910.2 9 0 2 1 21.154 42.307 0.202 12.74 4 102.7 2946.2 10 1 2 0 21.408 42.815 0.204 12.4 4 54.1 797.2 11 2 0 0 22.109 44.219 0.21 11.53 2 120.5 1835.5 12 0 1 2 23.115 46.23 0.219 10.43 4 33.9 262.8 13 1 0 -2 23.958 47.916 0.227 9.62 2 45.4 217.2 14 1 0 2 23.987 47.974 0.227 9.59 2 116.7 1433.1 15 1 2 -1 24.009 48.017 0.227 9.57 4 93.3 1827.5 16 1 2 1 24.023 48.047 0.228 9.56 4 28.2 167.2 17 2 1 0 24.052 48.104 0.228 9.53 4 34.9 254.5 18 1 1 -2 25.794 51.588 0.243 8.13 4 63.3 715.1 19 1 1 2 25.822 51.643 0.243 8.11 4 63.6 718.8 20 2 1 -1 26.446 52.892 0.249 7.68 4 77.4 1009.6 21 2 1 1 26.473 52.946 0.249 7.66 4 67.7 769.5 22 0 3 0 27.977 55.955 0.262 6.76 2 74.1 407.1 23 0 2 2 28.486 56.972 0.267 6.49 4 98.7 1385.5 24 2 2 0 29.298 58.597 0.274 6.09 4 101.8 1382.4 25 0 3 1 30.165 60.329 0.281 5.7 4 22.5 63.2 26 1 3 0 30.362 60.724 0.283 5.62 4 141.9 2481.2 27 1 2 -2 30.833 61.667 0.287 5.43 4 58.3 404.8 28 1 2 2 30.858 61.716 0.287 5.42 4 44.6 236.1 29 2 0 -2 31.367 62.735 0.291 5.23 2 152.2 1328.8 30 2 2 -1 31.416 62.832 0.291 5.21 4 129.6 1920.6 31 2 0 2 31.416 62.832 0.291 5.21 2 160.8 1476.6 32 2 2 1 31.44 62.881 0.292 5.2 4 121.8 1692.0 33 1 3 -1 32.444 64.889 0.3 4.86 4 37.2 147.2 34 1 3 1 32.456 64.913 0.3 4.85 4 38.5 157.8 35 2 1 -2 32.923 65.845 0.304 4.71 4 26.3 71.5 36 2 1 2 32.97 65.94 0.304 4.69 4 37.5 144.4 37 0 1 3 34.216 68.432 0.314 4.34 4 68.5 446.5 38 3 0 0 34.372 68.744 0.316 4.3 2 69.5 227.8 39 3 1 0 35.861 71.722 0.327 3.95 4 49.2 209.4 40 0 3 2 36.256 72.511 0.331 3.87 4 72.5 445.7 41 1 1 -3 36.351 72.702 0.331 3.85 4 123.8 1293.3 42 1 1 3 36.385 72.77 0.332 3.84 4 124.5 1304.5 43 2 3 0 36.973 73.947 0.336 3.72 4 73.7 443.1 44 2 2 -2 37.391 74.782 0.339 3.65 4 83.7 560.6 45 2 2 2 37.436 74.872 0.34 3.64 4 81.3 527.8 46 3 1 -1 37.78 75.56 0.342 3.58 4 124.7 1221.3 47 3 1 1 37.814 75.628 0.343 3.58 4 121.4 1156.0 48 1 3 -2 38.349 76.699 0.347 3.49 4 128.5 1262.2 49 1 3 2 38.372 76.743 0.347 3.48 4 124.8 1190.2 50 0 2 3 38.619 77.239 0.349 3.45 4 125.8 1196.0 51 0 4 0 38.719 77.437 0.35 3.43 2 46.5 81.3 52 2 3 -1 38.878 77.756 0.351 3.41 4 15.5 17.9 53 2 3 1 38.9 77.8 0.351 3.4 4 25.9 49.9 54 3 2 0 40.196 80.392 0.361 3.23 4 49.1 170.9 55 0 4 1 40.609 81.218 0.364 3.18 4 132.0 1215.9 56 1 2 -3 40.668 81.337 0.364 3.17 4 59.1 242.8 57 1 2 3 40.701 81.403 0.365 3.17 4 53.9 201.7 58 1 4 0 40.783 81.566 0.365 3.16 4 12.0 10.1 59 3 0 -2 42.006 84.011 0.374 3.04 2 93.1 288.6 60 3 2 -1 42.054 84.109 0.374 3.03 4 39.0 101.3 61 3 0 2 42.071 84.142 0.375 3.03 2 54.5 98.7 62 3 2 1 42.087 84.174 0.375 3.03 4 74.2 365.9 63 2 1 -3 42.55 85.1 0.378 2.99 4 66.1 286.5 64 2 1 3 42.615 85.23 0.378 2.98 4 65.3 279.4 65 1 4 -1 42.647 85.294 0.379 2.98 4 62.0 251.2 66 1 4 1 42.658 85.316 0.379 2.98 4 80.0 418.8 67 3 1 -2 43.411 86.822 0.384 2.92 4 54.4 189.7 68 3 1 2 43.476 86.953 0.385 2.92 4 56.8 206.6 69 2 3 -2 44.486 88.971 0.392 2.86 4 64.8 262.7 70 2 3 2 44.529 89.058 0.392 2.85 4 68.6 294.0 X-ray diffraction powder data (I)...X-Ray wave length = 1.78892 (angs.): No H K L Theta 2*Theta d I int I int.n. I p.h.n. H(Si) ( degree ) (angstrem) *100 *100 1 0 1 0 8.997 17.993 5.72 1349.3 7.0 7.1 5.6 2 1 0 0 10.847 21.694 4.753 5446.0 28.3 28.6 5.6 3 0 1 1 13.796 27.593 3.7508 4819.0 25.1 25.2 5.6 4 1 1 0 14.163 28.326 3.65565 4402.8 22.9 23.0 5.6 5 1 1 1 17.694 35.389 2.9429 19227.4 100.0 100.0 5.7 6 0 2 0 18.225 36.45 2.86 1823.4 9.5 9.5 5.7 7 0 0 2 21.106 42.211 2.484 2910.2 15.1 15.0 5.7 8 0 2 1 21.154 42.307 2.47862 2946.2 15.3 15.2 5.7 9 1 2 0 21.408 42.815 2.45056 797.2 4.1 4.1 5.7 10 2 0 0 22.109 44.219 2.3765 1835.5 9.5 9.5 5.7 11 0 1 2 23.115 46.23 2.27843 262.8 1.4 1.4 5.7 12 1 0 -2 23.958 47.916 2.20274 217.2 1.1 1.1 5.7 13 1 2 -1 24.009 48.017 2.19836 3427.8 17.8 17.6 5.7 14 2 1 0 24.052 48.104 2.19462 254.5 1.3 1.3 5.7 15 1 1 2 25.822 51.643 2.05354 1433.9 7.5 7.3 5.8 16 2 1 -1 26.446 52.892 2.00843 1779.1 9.3 9.1 5.8 17 0 3 0 27.977 55.955 1.90667 407.1 2.1 2.1 5.8 18 0 2 2 28.486 56.972 1.8754 1385.5 7.2 7.0 5.8 19 2 2 0 29.298 58.597 1.82782 1382.4 7.2 7.0 5.8 20 1 3 0 30.362 60.724 1.76959 2481.2 12.9 12.5 5.8 21 1 2 -2 30.833 61.667 1.74514 640.9 3.3 3.2 5.8 22 2 0 -2 31.367 62.735 1.71838 1328.8 6.9 6.7 5.9 23 2 2 -1 31.416 62.832 1.716 5089.3 26.5 25.6 5.9 24 1 3 1 32.456 64.913 1.66672 304.9 1.6 1.5 5.9 25 0 1 3 34.216 68.432 1.59068 446.5 2.3 2.2 5.9 26 3 0 0 34.372 68.744 1.58433 227.8 1.2 1.1 5.9 27 3 1 0 35.861 71.722 1.52685 209.4 1.1 1.0 5.9 28 0 3 2 36.256 72.511 1.51248 445.7 2.3 2.2 5.9 29 1 1 -3 36.351 72.702 1.50905 1293.3 6.7 6.4 6.0 30 1 1 3 36.385 72.77 1.50784 1304.5 6.8 6.5 6.0 31 2 3 0 36.973 73.947 1.48719 443.1 2.3 2.2 6.0 32 2 2 -2 37.391 74.782 1.47296 560.6 2.9 2.8 6.0 33 2 2 2 37.436 74.872 1.47145 527.8 2.7 2.6 6.0 34 3 1 -1 37.78 75.56 1.46002 1221.3 6.4 6.0 6.0 35 3 1 1 37.814 75.628 1.45892 1156.0 6.0 5.7 6.0 36 1 3 -2 38.349 76.699 1.44162 2452.4 12.8 12.0 6.0 37 0 2 3 38.619 77.239 1.4331 1196.0 6.2 5.9 6.0 38 0 4 1 40.609 81.218 1.3742 1215.9 6.3 5.9 6.1 39 1 2 -3 40.668 81.337 1.37255 242.8 1.3 1.2 6.1 40 1 2 3 40.701 81.403 1.37163 201.7 1.0 1.0 6.1 41 3 0 -2 42.006 84.011 1.33661 288.6 1.5 1.4 6.1 42 3 2 -1 42.054 84.109 1.33534 200.0 1.0 1.0 6.1 43 3 2 1 42.087 84.174 1.3345 365.9 1.9 1.8 6.1 44 2 1 -3 42.55 85.1 1.32271 286.5 1.5 1.4 6.1 45 2 1 3 42.615 85.23 1.32107 279.4 1.5 1.3 6.1 46 1 4 1 42.658 85.316 1.32 670.0 3.5 3.2 6.1 47 3 1 2 43.476 86.953 1.29998 206.6 1.1 1.0 6.1 48 2 3 -2 44.486 88.971 1.27647 262.7 1.4 1.3 6.2 49 2 3 2 44.529 89.058 1.27549 294.0 1.5 1.4 6.2 Reference: Chichagov A.V. et al. Information-Calculating System on Crystal Structure Data of Minerals (MINCRYST) - Kristallographiya, v.35, n.3, 1990, p.610-616 (in Russian) |