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 2, t-chalcopyrite, syn, f-chalcopyrite, sf-proper chalcopyrite, g-chalcopyrite CuGaS(2) Tetragonal I 4(-)2d Z = 4 I4(-)2d 23 .10 .9 Ref.Str.: Brandt G., Rauber A., Schneider J. (1973) * Solid State Comm. 12 (1973) 481-483 R: N.A.D. Initial data from BDM-file Lattice parameters (cub. angs.,degr.): a = 5.351 alpha = 90.0 b = 5.351 beta = 90.0 c = 10.48 gamma = 90.0 Unit cell volume (cub. angs.) = 300.08 Molar volume ( cub.cm/mol.) = 45.19 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 Cu = 1.00 2 0.0 0.0 0.5 0.0 Ga = 1.00 3 0.272 0.25 0.125 0.0 S = 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 0.272 0.25 0.125 4 3 0.25 0.728 0.875 5 3 0.728 0.75 0.125 6 3 0.75 0.272 0.875 7 1 0.5 0.5 0.5 8 2 0.5 0.5 0.0 9 3 0.228 0.25 0.625 10 3 0.25 0.772 0.375 11 3 0.772 0.75 0.625 12 3 0.75 0.228 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.) = 4.37 MU (1/cm) = 307.701 Mass attenuation coefficient (cm**2/g) = 70.449 Selected interatomic distances (cation-anion,anion-anion): NoP Atom Rad.sph. C.N. Distance NoP N. (angs.) (angs.) 1 Cu 3.36 4 2.3715 3 2.3715 3 2.3715 3 2.3715 3 2 Ga 2.928 4 2.2348 3 2.2348 3 2.2348 3 2.2348 3 3 S 4.368 12 3.6634 3 3.8315 3 3.6211 3 3.6211 3 3.9537 3 3.9537 3 3.6634 3 3.8315 3 3.8315 3 3.6634 3 3.6634 3 3.8315 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 10.818 21.636 0.105 53.87 8 10.5 52.9 2 1 1 0 13.674 27.348 0.132 32.95 4 0.0 0.0 3 1 1 2 16.953 33.906 0.163 20.77 8 231.0 9841.0 4 1 0 3 17.805 35.61 0.171 18.66 8 6.7 7.3 5 2 0 0 19.531 39.062 0.187 15.22 4 114.1 879.8 6 0 0 4 19.962 39.924 0.191 14.5 2 112.3 406.0 7 2 0 2 22.047 44.095 0.21 11.61 8 1.6 0.3 8 2 1 1 22.544 45.088 0.214 11.04 16 14.0 38.3 9 2 1 3 26.941 53.881 0.253 7.36 16 11.1 16.0 10 1 0 5 27.279 54.557 0.256 7.16 8 8.4 4.5 11 2 2 0 28.216 56.431 0.264 6.63 4 260.3 1995.7 12 2 0 4 28.544 57.087 0.267 6.46 8 260.7 3900.2 13 3 0 1 30.576 61.152 0.284 5.53 8 18.7 17.1 14 3 1 0 31.911 63.822 0.295 5.04 8 2.7 0.3 15 3 1 2 33.744 67.487 0.311 4.47 16 187.9 2803.3 16 3 0 3 34.268 68.535 0.315 4.33 8 9.8 3.7 17 1 1 6 34.335 68.669 0.315 4.31 8 187.6 1348.1 18 2 1 5 34.562 69.123 0.317 4.25 16 9.6 7.0 19 2 2 4 35.674 71.347 0.326 3.99 8 104.9 390.0 20 3 2 1 37.496 74.992 0.34 3.63 16 12.8 10.6 21 2 0 6 37.703 75.405 0.342 3.59 8 1.3 0.1 22 1 0 7 38.345 76.689 0.347 3.49 8 0.3 0.0 23 3 1 4 38.996 77.991 0.352 3.39 16 2.5 0.4 24 3 2 3 40.907 81.813 0.366 3.15 16 20.5 23.6 25 3 0 5 41.184 82.367 0.368 3.12 8 7.9 1.7 26 4 0 0 41.961 83.923 0.374 3.04 4 220.4 656.4 27 0 0 8 43.062 86.125 0.382 2.95 2 222.7 325.0 28 4 0 2 43.636 87.272 0.386 2.91 8 4.8 0.6 29 4 1 1 43.985 87.97 0.388 2.89 16 16.8 14.4 30 2 1 7 44.808 89.616 0.394 2.84 16 13.2 8.8 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 16.953 33.906 3.06759 9841.0 100.0 100.0 5.7 2 2 0 0 19.531 39.062 2.6755 879.8 8.9 8.9 5.7 3 0 0 4 19.962 39.924 2.62 406.0 4.1 4.1 5.7 4 2 2 0 28.216 56.431 1.89186 1995.7 20.3 19.8 5.8 5 2 0 4 28.544 57.087 1.87193 3900.2 39.6 38.6 5.8 6 3 1 2 33.744 67.487 1.61026 2803.3 28.5 27.3 5.9 7 1 1 6 34.335 68.669 1.58585 1348.1 13.7 13.1 5.9 8 2 2 4 35.674 71.347 1.53379 390.0 4.0 3.8 5.9 9 4 0 0 41.961 83.923 1.33775 656.4 6.7 6.2 6.1 10 0 0 8 43.062 86.125 1.31 325.0 3.3 3.0 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) |