#------------------------------------------------------------------------------ #$Date: 2015-02-17 13:03:21 +0200 (Tue, 17 Feb 2015) $ #$Revision: 131921 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/30/04/2300449.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_2300449 loop_ _publ_author_name 'Schreyer, Martin' 'Guo, Liangfeng' 'Thirunahari, Satyanarayana' 'Gao, Feng' 'Garland, Marc' _publ_section_title ; Simultaneous determination of several crystal structures from powder mixtures: the combination of powder X-ray diffraction, band-target entropy minimization and Rietveld methods ; _journal_coeditor_code to5064 _journal_issue 2 _journal_name_full 'Journal of Applied Crystallography' _journal_page_first 659 _journal_page_last 667 _journal_paper_doi 10.1107/S1600576714003379 _journal_volume 47 _journal_year 2014 _chemical_formula_analytical 'Ca F2' _chemical_formula_iupac 'Ca F2' _chemical_formula_moiety '2(F), Ca' _chemical_formula_structural 'Ca F2' _chemical_formula_sum 'Ca F2' _chemical_formula_weight 78.08 _chemical_name_mineral fluorite _chemical_name_systematic 'calcium fluoride' _space_group_crystal_system cubic _space_group_IT_number 225 _space_group_name_Hall '-F 4 2 3' _space_group_name_H-M_alt 'F m -3 m' _symmetry_space_group_name_Hall '-F 4 2 3' _symmetry_space_group_name_H-M 'F m -3 m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 5.463209(47) _cell_length_b 5.463209(47) _cell_length_c 5.463209(47) _cell_measurement_temperature 298 _cell_volume 163.059(2) _computing_cell_refinement 'Topas v4.2 (Bruker AXS GmbH, 2009)' _computing_data_collection unknown _computing_data_reduction 'Topas v4.2 (Bruker AXS GmbH, 2009)' _computing_molecular_graphics 'Diamond 3.1f' _computing_publication_material CSD _computing_structure_refinement 'Topas v4.2 (Bruker AXS GmbH, 2009)' _computing_structure_solution 'Topas v4.2 (Bruker AXS GmbH, 2009)' _diffrn_ambient_temperature 298 _diffrn_detector 'Proportional Counter' _diffrn_detector_type 'gas filled point detector' _diffrn_measurement_device_type 'Philips 3020' _diffrn_radiation_monochromator 'Graphite Monochromator' _diffrn_radiation_type 'Cu K\a' _diffrn_radiation_wavelength 1.54180 _diffrn_source 'sealed X-ray tube' _diffrn_source_target Cu _exptl_absorpt_coefficient_mu 30.163 _exptl_crystal_density_diffrn 3.181 _exptl_crystal_F_000 152 _pd_char_colour colourless _pd_meas_2theta_range_inc 0.02 _pd_meas_2theta_range_max 150 _pd_meas_2theta_range_min 5 _pd_meas_number_of_points 7250 _pd_meas_scan_method step _pd_proc_2theta_range_inc 0.02 _pd_proc_2theta_range_max 150 _pd_proc_2theta_range_min 5 _pd_proc_ls_background_function 'Chebychev of order 3, plus 1/x' _pd_proc_ls_pref_orient_corr none _pd_proc_ls_profile_function 'fundamental parameter' _pd_proc_ls_prof_R_factor 0.127 _pd_proc_ls_prof_wR_expected 0.387 _pd_proc_ls_prof_wR_factor 0.256 _pd_proc_wavelength 1.541802 _refine_ls_goodness_of_fit_all 0.66 _refine_ls_hydrogen_treatment noref _refine_ls_matrix_type fullcycle _refine_ls_number_constraints 0 _refine_ls_number_parameters 12 _refine_ls_number_restraints 0 _refine_ls_R_I_factor 0.015 _refine_ls_shift/su_max .01 _refine_ls_structure_factor_coef Inet _refine_ls_weighting_details 1/[Y~i~+\s(Y~i~)] _refine_ls_weighting_scheme sigma _[local]_cod_data_source_file to5064sup1.cif _[local]_cod_data_source_block CaF2_BTEM _cod_original_cell_volume 163.0585(43) _cod_database_code 2300449 _cod_database_fobs_code 2300449 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,-y,-z 26 x,y,-z 27 x,-y,z 28 -x,y,z 29 -z,-x,-y 30 -z,x,y 31 z,x,-y 32 z,-x,y 33 -y,-z,-x 34 y,-z,x 35 -y,z,x 36 y,z,-x 37 -y,-x,z 38 y,x,z 39 -y,x,-z 40 y,-x,-z 41 -x,-z,y 42 x,-z,-y 43 x,z,y 44 -x,z,-y 45 -z,-y,x 46 -z,y,-x 47 z,-y,-x 48 z,y,x 49 x,y+1/2,z+1/2 50 -x,-y+1/2,z+1/2 51 -x,y+1/2,-z+1/2 52 x,-y+1/2,-z+1/2 53 z,x+1/2,y+1/2 54 z,-x+1/2,-y+1/2 55 -z,-x+1/2,y+1/2 56 -z,x+1/2,-y+1/2 57 y,z+1/2,x+1/2 58 -y,z+1/2,-x+1/2 59 y,-z+1/2,-x+1/2 60 -y,-z+1/2,x+1/2 61 y,x+1/2,-z+1/2 62 -y,-x+1/2,-z+1/2 63 y,-x+1/2,z+1/2 64 -y,x+1/2,z+1/2 65 x,z+1/2,-y+1/2 66 -x,z+1/2,y+1/2 67 -x,-z+1/2,-y+1/2 68 x,-z+1/2,y+1/2 69 z,y+1/2,-x+1/2 70 z,-y+1/2,x+1/2 71 -z,y+1/2,x+1/2 72 -z,-y+1/2,-x+1/2 73 -x,-y+1/2,-z+1/2 74 x,y+1/2,-z+1/2 75 x,-y+1/2,z+1/2 76 -x,y+1/2,z+1/2 77 -z,-x+1/2,-y+1/2 78 -z,x+1/2,y+1/2 79 z,x+1/2,-y+1/2 80 z,-x+1/2,y+1/2 81 -y,-z+1/2,-x+1/2 82 y,-z+1/2,x+1/2 83 -y,z+1/2,x+1/2 84 y,z+1/2,-x+1/2 85 -y,-x+1/2,z+1/2 86 y,x+1/2,z+1/2 87 -y,x+1/2,-z+1/2 88 y,-x+1/2,-z+1/2 89 -x,-z+1/2,y+1/2 90 x,-z+1/2,-y+1/2 91 x,z+1/2,y+1/2 92 -x,z+1/2,-y+1/2 93 -z,-y+1/2,x+1/2 94 -z,y+1/2,-x+1/2 95 z,-y+1/2,-x+1/2 96 z,y+1/2,x+1/2 97 x+1/2,y,z+1/2 98 -x+1/2,-y,z+1/2 99 -x+1/2,y,-z+1/2 100 x+1/2,-y,-z+1/2 101 z+1/2,x,y+1/2 102 z+1/2,-x,-y+1/2 103 -z+1/2,-x,y+1/2 104 -z+1/2,x,-y+1/2 105 y+1/2,z,x+1/2 106 -y+1/2,z,-x+1/2 107 y+1/2,-z,-x+1/2 108 -y+1/2,-z,x+1/2 109 y+1/2,x,-z+1/2 110 -y+1/2,-x,-z+1/2 111 y+1/2,-x,z+1/2 112 -y+1/2,x,z+1/2 113 x+1/2,z,-y+1/2 114 -x+1/2,z,y+1/2 115 -x+1/2,-z,-y+1/2 116 x+1/2,-z,y+1/2 117 z+1/2,y,-x+1/2 118 z+1/2,-y,x+1/2 119 -z+1/2,y,x+1/2 120 -z+1/2,-y,-x+1/2 121 -x+1/2,-y,-z+1/2 122 x+1/2,y,-z+1/2 123 x+1/2,-y,z+1/2 124 -x+1/2,y,z+1/2 125 -z+1/2,-x,-y+1/2 126 -z+1/2,x,y+1/2 127 z+1/2,x,-y+1/2 128 z+1/2,-x,y+1/2 129 -y+1/2,-z,-x+1/2 130 y+1/2,-z,x+1/2 131 -y+1/2,z,x+1/2 132 y+1/2,z,-x+1/2 133 -y+1/2,-x,z+1/2 134 y+1/2,x,z+1/2 135 -y+1/2,x,-z+1/2 136 y+1/2,-x,-z+1/2 137 -x+1/2,-z,y+1/2 138 x+1/2,-z,-y+1/2 139 x+1/2,z,y+1/2 140 -x+1/2,z,-y+1/2 141 -z+1/2,-y,x+1/2 142 -z+1/2,y,-x+1/2 143 z+1/2,-y,-x+1/2 144 z+1/2,y,x+1/2 145 x+1/2,y+1/2,z 146 -x+1/2,-y+1/2,z 147 -x+1/2,y+1/2,-z 148 x+1/2,-y+1/2,-z 149 z+1/2,x+1/2,y 150 z+1/2,-x+1/2,-y 151 -z+1/2,-x+1/2,y 152 -z+1/2,x+1/2,-y 153 y+1/2,z+1/2,x 154 -y+1/2,z+1/2,-x 155 y+1/2,-z+1/2,-x 156 -y+1/2,-z+1/2,x 157 y+1/2,x+1/2,-z 158 -y+1/2,-x+1/2,-z 159 y+1/2,-x+1/2,z 160 -y+1/2,x+1/2,z 161 x+1/2,z+1/2,-y 162 -x+1/2,z+1/2,y 163 -x+1/2,-z+1/2,-y 164 x+1/2,-z+1/2,y 165 z+1/2,y+1/2,-x 166 z+1/2,-y+1/2,x 167 -z+1/2,y+1/2,x 168 -z+1/2,-y+1/2,-x 169 -x+1/2,-y+1/2,-z 170 x+1/2,y+1/2,-z 171 x+1/2,-y+1/2,z 172 -x+1/2,y+1/2,z 173 -z+1/2,-x+1/2,-y 174 -z+1/2,x+1/2,y 175 z+1/2,x+1/2,-y 176 z+1/2,-x+1/2,y 177 -y+1/2,-z+1/2,-x 178 y+1/2,-z+1/2,x 179 -y+1/2,z+1/2,x 180 y+1/2,z+1/2,-x 181 -y+1/2,-x+1/2,z 182 y+1/2,x+1/2,z 183 -y+1/2,x+1/2,-z 184 y+1/2,-x+1/2,-z 185 -x+1/2,-z+1/2,y 186 x+1/2,-z+1/2,-y 187 x+1/2,z+1/2,y 188 -x+1/2,z+1/2,-y 189 -z+1/2,-y+1/2,x 190 -z+1/2,y+1/2,-x 191 z+1/2,-y+1/2,-x 192 z+1/2,y+1/2,x loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Ca1 Ca 4 0 0 0 1 0.00629(25) F1 F 8 0.25 0.25 0.25 1 0.00783(5) loop_ _atom_type_symbol _atom_type_scat_source Ca 'D. Waasmaier & A. Kirfel. Acta Cryst. (1995). A51, 416-413' F 'D. Waasmaier & A. Kirfel. Acta Cryst. (1995). A51, 416-413' 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_3 _geom_angle F1 Ca1 F1 . 49_544 109.47 F1 Ca1 F1 . 97_454 109.47 F1 Ca1 F1 . 145_445 109.47 F1 Ca1 F1 . 13_555 70.53 F1 Ca1 F1 . 61_545 70.53 F1 Ca1 F1 . 109_455 70.53 F1 Ca1 F1 . 157_445 180.0(5) F1 Ca1 F1 49_544 97_454 109.47 F1 Ca1 F1 49_544 145_445 109.47 F1 Ca1 F1 49_544 13_555 70.53 F1 Ca1 F1 49_544 61_545 70.53 F1 Ca1 F1 49_544 109_455 180.0(5) F1 Ca1 F1 49_544 157_445 70.53 F1 Ca1 F1 97_454 145_445 109.47 F1 Ca1 F1 97_454 13_555 70.53 F1 Ca1 F1 97_454 61_545 180.0(5) F1 Ca1 F1 97_454 109_455 70.53 F1 Ca1 F1 97_454 157_445 70.53 F1 Ca1 F1 145_445 13_555 180.0(5) F1 Ca1 F1 145_445 61_545 70.53 F1 Ca1 F1 145_445 109_455 70.53 F1 Ca1 F1 145_445 157_445 70.53 F1 Ca1 F1 13_555 61_545 109.47 F1 Ca1 F1 13_555 109_455 109.47 F1 Ca1 F1 13_555 157_445 109.47 F1 Ca1 F1 61_545 109_455 109.47 F1 Ca1 F1 61_545 157_445 109.47 F1 Ca1 F1 109_455 157_445 109.47 Ca1 F1 Ca1 . 49_555 109.47 Ca1 F1 Ca1 . 97_555 109.47 Ca1 F1 Ca1 . 145_555 109.47 Ca1 F1 Ca1 49_555 97_555 109.47 Ca1 F1 Ca1 49_555 145_555 109.47 Ca1 F1 Ca1 97_555 145_555 109.47 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance Ca1 F1 . 2.3656 Ca1 F1 49_544 2.3656 Ca1 F1 97_454 2.3656 Ca1 F1 145_445 2.3656 Ca1 F1 13_555 2.3656 Ca1 F1 61_545 2.3656 Ca1 F1 109_455 2.3656 Ca1 F1 157_445 2.3656