#------------------------------------------------------------------------------ #$Date: 2012-02-03 19:16:24 +0200 (Fri, 03 Feb 2012) $ #$Revision: 32112 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/10/29/2102935.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2102935 loop_ _publ_author_name 'Tatsuo, Noritake' 'Masakazu, Aoki' 'Shin-ich, Towata' 'Tsunehiro, Takeuchi' 'Uichiro, Mizutani' _publ_section_title ; Structure determination of structurally complex Ag~36~Li~64~ gamma-brass ; _journal_coeditor_code AV5091 _journal_issue 5 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 726 _journal_page_last 734 _journal_volume 63 _journal_year 2007 _chemical_formula_analytical 'Ag35.69 Li64.31' _chemical_formula_structural 'Ag9.28 Li16.72' _chemical_formula_sum 'Ag18.56 Li33.44' _chemical_formula_weight 2234.14 _chemical_name_common 'Ag-Li gamma phase' _chemical_name_systematic ; silver-lithium gamma phase ; _space_group_crystal_system cubic _space_group_IT_number 217 _space_group_name_Hall 'I -4 2 3' _symmetry_space_group_name_Hall 'I -4 2 3' _symmetry_space_group_name_H-M 'I -4 3 m' _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_formula_units_Z 1 _cell_length_a 9.6066(8) _cell_length_b 9.6066(8) _cell_length_c 9.6066(8) _cell_measurement_pressure 100 _cell_measurement_temperature 300 _cell_volume 886.56(13) _computing_cell_refinement 'RIETAN-2000 (Izumi and Ikeda, 2000)' _computing_molecular_graphics 'ATOMS (Eric Dowty 1999)' _computing_structure_refinement 'RIETAN-2000 (Izumi and Ikeda, 2000)' _diffrn_ambient_temperature 300 _diffrn_measurement_device_type BL02B2 _diffrn_radiation_monochromator Si _diffrn_radiation_type synchrotron _diffrn_radiation_wavelength 0.50226 _exptl_absorpt_coefficient_mu 3.8528 _exptl_crystal_density_diffrn 4.1846 _exptl_crystal_F_000 972.64 _refine_ls_goodness_of_fit_all 1.666 _refine_ls_number_parameters 52 _[local]_cod_data_source_file av5091.cif _[local]_cod_data_source_block Ag36Li64 _cod_database_code 2102935 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 x,y,z 2 -x,-y,z 3 -x,y,-z 4 x,-y,-z 5 z,x,y 6 z,-x,-y 7 -z,-x,y 8 -z,x,-y 9 y,z,x 10 -y,z,-x 11 y,-z,-x 12 -y,-z,x 13 y,x,z 14 -y,-x,z 15 y,-x,-z 16 -y,x,-z 17 x,z,y 18 -x,z,-y 19 -x,-z,y 20 x,-z,-y 21 z,y,x 22 z,-y,-x 23 -z,y,-x 24 -z,-y,x 25 x+1/2,y+1/2,z+1/2 26 -x+1/2,-y+1/2,z+1/2 27 -x+1/2,y+1/2,-z+1/2 28 x+1/2,-y+1/2,-z+1/2 29 z+1/2,x+1/2,y+1/2 30 z+1/2,-x+1/2,-y+1/2 31 -z+1/2,-x+1/2,y+1/2 32 -z+1/2,x+1/2,-y+1/2 33 y+1/2,z+1/2,x+1/2 34 -y+1/2,z+1/2,-x+1/2 35 y+1/2,-z+1/2,-x+1/2 36 -y+1/2,-z+1/2,x+1/2 37 y+1/2,x+1/2,z+1/2 38 -y+1/2,-x+1/2,z+1/2 39 y+1/2,-x+1/2,-z+1/2 40 -y+1/2,x+1/2,-z+1/2 41 x+1/2,z+1/2,y+1/2 42 -x+1/2,z+1/2,-y+1/2 43 -x+1/2,-z+1/2,y+1/2 44 x+1/2,-z+1/2,-y+1/2 45 z+1/2,y+1/2,x+1/2 46 z+1/2,-y+1/2,-x+1/2 47 -z+1/2,y+1/2,-x+1/2 48 -z+1/2,-y+1/2,x+1/2 loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source Ag Ag -2.93893 0.58894 'The program CROMER by Dr. Louis J. Farrugia' Li Li 0.00000 0.00002 'The program CROMER by Dr. Louis J. Farrugia' O O -0.00404 0.00282 'The program CROMER by Dr. Louis J. Farrugia' loop_ _atom_site_type_symbol _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ag Ag1 0.82767(8) 0.82767 0.82767 0.9311 Li Li1 0.82767 0.82767 0.82767 0.0689 Ag Ag2 0.35410(10) 0.0 0.0 0.9259(9) Li Li2 0.3541 0.0 0.0 0.0741 Li Li3 0.1168(13) 0.1168 0.1168 1.0 Li Li4 0.3150(14) 0.3150 0.0334(17) 1.0 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ag1 0.178(3) 0.178 0.178 0.033(4) 0.033 0.033 Li1 0.178 0.178 0.178 0.033 0.033 0.033 Ag2 0.136(6) 0.209(4) 0.209 0.0 0.0 0.049(8) Li2 0.136 0.209 0.209 0.0 0.0 0.049 Li3 0.42(9) 0.42 0.42 0.22(8) 0.22 0.22 Li4 0.46(7) 0.46 0.26(14) -0.07(7) -0.17(6) -0.17 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_1 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag Ag2 Li4 1_555 32_545 2.74(2) (a) Ag1 Li4 1_555 2_666 2.77(2) (b) Ag2 Li3 1_555 1_555 2.7780(10) (c) Ag1 Li4 1_555 25_555 2.83(2) (d) Ag1 Li3 1_555 2_666 2.878(7) (e) Ag2 Li4 1_555 30_555 3.05(2) (f) Ag2 Li4 1_555 4_555 3.070(10) (g) Ag2 Ag2 1_555 2_655 2.802(2) (h) Ag1 Ag2 1_555 2_666 2.9210(10) (i) Li3 Li4 1_555 1_555 2.810(2) (j) Li4 Li4 1_555 30_555 2.843(5) (k) Li3 Li3 1_555 2_555 3.17(3) (l) loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_2 _geom_angle_site_symmetry_3 _geom_angle _geom_angle_publ_flag Ag2 Ag2 Li4 2_655 1_555 32_545 66.7(3) (h-a) Ag2 Ag2 Li4 2_655 1_555 30_555 55.6(4) (h-f) Ag2 Ag2 Li4 2_655 1_555 1_555 97.0(3) (h-g)