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 *** *********************** TRIPUHYITE 2, t-bystromite, g-bystromite FeSbO(4) Tetragonal P 4(2)/mnm Z = 1 R =0.0357 NR =65 28 .6 .1904 Ref.Str.: P. Berlepsh, T. Armbruster, J. Brugger, A.J. Criddle, S. Graeser (2003) * Mineral. Mag., 67,31-46 Reserv: from Tripuhy. N.A.D. Initial data from BDM-file Lattice parameters (cub. angs.,degr.): a = 4.625 alpha = 90.0 b = 4.625 beta = 90.0 c = 3.059 gamma = 90.0 Unit cell volume (cub. angs.) = 65.43 Molar volume ( cub.cm/mol.) = 39.41 Co-ordinates, thermal parameters, occupation for atomic positions: NoP x/a y/b z/c B(j) atom / occupation 1 0.0 0.0 0.0 0.0 Fe = 0.47, Sb = 0.53 2 0.696 0.304 0.0 0.0 O = 1.00 Co-ordinates for all atomic positions : No NoP x/a y/b z/c 1 1 0.0 0.0 0.0 2 2 0.696 0.304 0.0 3 2 0.304 0.696 0.0 4 1 0.5 0.5 0.5 5 2 0.804 0.804 0.5 6 2 0.196 0.196 0.5 X-ray density (g/cm cub.) = 6.23 MU (1/cm) = 1379.354 Mass attenuation coefficient (cm**2/g) = 221.43 Selected interatomic distances (cation-anion,anion-anion): NoP Atom Rad.sph. C.N. Distance NoP N. (angs.) (angs.) 1 Fe ,Sb 2.712 6 1.9884 2 1.9884 2 1.9957 2 1.9957 2 1.9957 2 1.9957 2 2 O 3.264 11 3.059 2 3.059 2 2.564 2 2.8172 2 2.8172 2 2.8172 2 2.8172 2 2.8172 2 2.8172 2 2.8172 2 2.8172 2 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 1 1 0 15.873 31.746 0.153 23.95 4 69.8 10887.6 2 1 0 1 20.522 41.045 0.196 13.63 8 55.1 7722.5 3 2 0 0 22.755 45.51 0.216 10.81 4 44.1 1960.7 4 1 1 1 23.602 47.204 0.224 9.95 8 18.6 642.2 5 2 1 0 25.623 51.246 0.242 8.25 8 11.7 210.7 6 2 1 1 31.468 62.936 0.292 5.19 16 58.4 6611.9 7 2 2 0 33.162 66.324 0.306 4.64 4 62.6 1696.3 8 0 0 2 35.789 71.579 0.327 3.96 2 66.1 810.0 9 3 1 0 37.703 75.407 0.342 3.59 8 45.9 1414.0 10 2 2 1 38.335 76.67 0.347 3.49 8 5.6 20.1 11 1 1 2 40.211 80.422 0.361 3.23 8 50.0 1506.3 12 3 0 1 40.52 81.039 0.363 3.19 8 59.7 2126.1 13 3 1 1 42.678 85.357 0.379 2.98 16 6.3 44.6 14 3 2 0 44.211 88.422 0.39 2.87 8 4.1 8.9 15 2 0 2 44.519 89.038 0.392 2.85 8 36.6 714.1 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 1 1 0 15.873 31.746 3.27037 10887.6 100.0 100.0 5.6 2 1 0 1 20.522 41.045 2.55142 7722.5 70.9 70.3 5.7 3 2 0 0 22.755 45.51 2.3125 1960.7 18.0 17.8 5.7 4 1 1 1 23.602 47.204 2.23403 642.2 5.9 5.8 5.7 5 2 1 0 25.623 51.246 2.06836 210.7 1.9 1.9 5.8 6 2 1 1 31.468 62.936 1.71344 6611.9 60.7 58.6 5.9 7 2 2 0 33.162 66.324 1.63518 1696.3 15.6 14.9 5.9 8 0 0 2 35.789 71.579 1.5295 810.0 7.4 7.1 5.9 9 3 1 0 37.703 75.407 1.46255 1414.0 13.0 12.2 6.0 10 1 1 2 40.211 80.422 1.38547 1506.3 13.8 12.9 6.0 11 3 0 1 40.52 81.039 1.37671 2126.1 19.5 18.2 6.1 12 2 0 2 44.519 89.038 1.27571 714.1 6.6 6.0 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) |