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 *** *********************** GALLITE 6, t-chalcopyrite, analogue Ag(Ga,In)Se(2) Tetragonal I 4(-)2d Z = 1 I4(-)2d 24 .4 .19 Ref.Str.: Marenkin S.F., Rybakov V.B., Kuz'micheva G.M., Shcherbakov S.I., Shevyrdyaeva G.S., Chizhikov V.I., Panyutin V.L. (2003) * Neorgan. Materialy, 39, 1193-1199 L: $Ag1 Ga3+0.665 In3+0.335 Se2$ R: N.A.D. Initial data from BDM-file Lattice parameters (cub. angs.,degr.): a = 6.0138 alpha = 90.0 b = 6.0138 beta = 90.0 c = 11.1238 gamma = 90.0 Unit cell volume (cub. angs.) = 402.3 Molar volume ( cub.cm/mol.) = 242.32 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 Ag = 1.00 2 0.0 0.0 0.5 0.0 Ga = 0.67, In = 0.34 3 0.2737 0.25 0.125 0.0 Se = 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 0.0 0.0 0.5 3 3 0.2737 0.25 0.125 4 3 0.25 0.7263 0.875 5 3 0.7263 0.75 0.125 6 3 0.75 0.2737 0.875 7 1 0.5 0.5 0.5 8 2 0.5 0.5 0.0 9 3 0.2263 0.25 0.625 10 3 0.25 0.7737 0.375 11 3 0.7737 0.75 0.625 12 3 0.75 0.2263 0.375 13 1 0.0 0.5 0.25 14 2 0.0 0.5 0.75 15 1 0.5 0.0 0.75 16 2 0.5 0.0 0.25 X-ray density (g/cm cub.) = 5.79 MU (1/cm) = 1162.416 Mass attenuation coefficient (cm**2/g) = 200.869 Selected interatomic distances (cation-anion,anion-anion): NoP Atom Rad.sph. C.N. Distance NoP N. (angs.) (angs.) 1 Ag 3.672 4 2.6274 3 2.6274 3 2.6274 3 2.6274 3 2 Ga ,In 3.876 4 2.4588 3 2.4588 3 2.4588 3 2.4588 3 3 Se 4.632 12 3.9948 3 4.2039 3 4.0558 3 4.0558 3 4.4585 3 4.4585 3 3.9948 3 4.2039 3 4.2039 3 3.9948 3 3.9948 3 4.2039 3 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 0 1 9.734 19.469 0.095 67.04 8 8.5 24.2 2 1 1 0 12.142 24.285 0.118 42.33 4 0.0 0.0 3 1 1 2 15.354 30.707 0.148 25.73 8 374.0 17789.4 4 1 0 3 16.463 32.926 0.158 22.13 8 42.4 197.1 5 2 0 0 17.306 34.611 0.166 19.85 4 63.7 199.1 6 0 0 4 18.762 37.524 0.18 16.63 2 57.9 68.8 7 2 0 2 19.765 39.529 0.189 14.82 8 4.8 1.7 8 2 1 1 20.009 40.017 0.191 14.42 16 51.4 376.1 9 2 1 3 24.259 48.517 0.23 9.35 16 31.0 88.7 10 2 2 0 24.878 49.756 0.235 8.83 4 453.0 4478.2 11 1 0 5 25.384 50.767 0.24 8.43 8 36.6 55.9 12 2 0 4 25.983 51.967 0.245 8.0 8 450.8 8031.8 13 3 0 1 26.961 53.923 0.253 7.35 8 63.9 148.4 14 3 1 0 28.056 56.113 0.263 6.71 8 8.5 2.4 15 3 1 2 29.807 59.613 0.278 5.86 16 301.7 5270.9 16 3 0 3 30.48 60.96 0.284 5.57 8 21.6 12.8 17 2 1 5 31.452 62.903 0.292 5.2 16 28.2 40.8 18 1 1 6 31.757 63.514 0.294 5.09 8 299.3 2253.7 19 2 2 4 31.975 63.951 0.296 5.01 8 54.8 74.4 20 3 2 1 32.838 65.676 0.303 4.73 16 34.5 55.8 21 2 0 6 34.527 69.054 0.317 4.26 8 4.0 0.3 22 3 1 4 34.736 69.472 0.319 4.21 16 7.9 2.6 23 1 0 7 35.604 71.209 0.325 4.01 8 4.7 0.4 24 3 2 3 36.017 72.034 0.329 3.92 16 62.5 151.2 25 4 0 0 36.508 73.016 0.333 3.81 4 383.6 1387.6 26 3 0 5 36.914 73.828 0.336 3.74 8 20.6 7.8 27 4 0 2 38.046 76.092 0.345 3.54 8 15.1 4.0 28 4 1 1 38.207 76.413 0.346 3.51 16 49.3 84.4 29 3 3 0 39.126 78.252 0.353 3.37 4 0.0 0.0 30 0 0 8 40.037 80.073 0.36 3.25 2 383.3 590.1 31 3 3 2 40.632 81.264 0.364 3.18 8 260.5 1066.0 32 2 1 7 40.827 81.655 0.365 3.16 16 38.8 46.9 33 4 1 3 41.223 82.445 0.368 3.11 16 56.0 96.7 34 4 2 0 41.695 83.389 0.372 3.07 8 56.8 48.9 35 3 2 5 42.086 84.172 0.375 3.03 16 58.6 102.9 36 3 1 6 42.36 84.72 0.377 3.01 16 260.0 2008.9 37 4 0 4 42.556 85.113 0.378 2.99 8 52.4 40.5 38 4 2 2 43.183 86.365 0.383 2.94 16 10.7 3.3 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 2 15.354 30.707 3.37817 17789.4 100.0 100.0 5.6 2 1 0 3 16.463 32.926 3.15622 197.1 1.1 1.1 5.6 3 2 0 0 17.306 34.611 3.0069 199.1 1.1 1.1 5.7 4 2 1 1 20.009 40.017 2.61413 376.1 2.1 2.1 5.7 5 2 2 0 24.878 49.756 2.1262 4478.2 25.2 24.7 5.7 6 2 0 4 25.983 51.967 2.04164 8031.8 45.1 44.2 5.8 7 3 1 2 29.807 59.613 1.79945 5270.9 29.6 28.7 5.8 8 1 1 6 31.757 63.514 1.69947 2253.7 12.7 12.2 5.9 9 4 0 0 36.508 73.016 1.50345 1387.6 7.8 7.4 6.0 10 0 0 8 40.037 80.073 1.39048 590.1 3.3 3.1 6.0 11 3 3 2 40.632 81.264 1.37356 1066.0 6.0 5.6 6.1 12 3 1 6 42.36 84.72 1.32752 2008.9 11.3 10.4 6.1 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) |