#------------------------------------------------------------------------------ #$Date: 2010-12-02 08:09:14 +0000 (Thu, 02 Dec 2010) $ #$Revision: 3861 $ #$URL: svn://www.crystallography.net/cod/cif/2/2002911.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_2002911 loop_ _publ_author_name 'Womersley, M. N.' 'Thomas, P. A.' 'Corker, D. L.' _publ_section_title ; Investigation of the Cs~x~Rb~1{-~x}TiOAsO~4~ Series. I. Crystal Structure Analysis and Pseudo-symmetry ; _journal_issue 5 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 635 _journal_page_last 644 _journal_volume 54 _journal_year 1998 _chemical_formula_moiety 'Rb0.27 Cs1.73 Ti2 As2 O10 ' _chemical_formula_sum 'As2 Cs1.73 O10 Rb0.27 Ti2' _chemical_formula_weight 658.76 _chemical_melting_point ? _chemical_name_systematic ; Cs(0.86)Rb(0.14)TiOAsO4 ; _space_group_IT_number 33 _symmetry_cell_setting 'Orthorhombic ' _symmetry_space_group_name_Hall 'P 2c -2n' _symmetry_space_group_name_H-M 'P n a 21' _audit_creation_method CRYSTALS _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_formula_units_Z 4 _cell_length_a 13.467(4) _cell_length_b 6.8360(10) _cell_length_c 10.704(2) _cell_measurement_reflns_used 119 _cell_measurement_temperature 293 _cell_measurement_theta_max 28 _cell_measurement_theta_min 0 _cell_volume 985.5(4) _computing_cell_refinement ' Siemens SMART CCD ' _computing_data_collection ' Siemens SMART CCD ' _computing_data_reduction ' CRYSTALS Issue 10 ' _computing_molecular_graphics ; CAMERON (Watkin, Prout & Pearce, 1996) ; _computing_publication_material ; CRYSTALS Issue 10 (Watkin, Prout, Carruthers & Betteridge, 1996) ; _computing_structure_refinement ; CRYSTALS Issue 10 (Watkin, Prout, Carruthers & Betteridge, 1996) ; _computing_structure_solution ; CRYSTALS Issue 10 (Watkin, Prout, Carruthers & Betteridge, 1996) ; _diffrn_ambient_temperature 293 _diffrn_detector_area_resol_mean 512 _diffrn_measurement_device_type ' Siemens SMART CCD ' _diffrn_radiation_monochromator graphite _diffrn_radiation_type 'Mo K\a' _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.038 _diffrn_reflns_limit_h_max 24 _diffrn_reflns_limit_h_min -24 _diffrn_reflns_limit_k_max 12 _diffrn_reflns_limit_k_min -12 _diffrn_reflns_limit_l_max 19 _diffrn_reflns_limit_l_min -19 _diffrn_reflns_number 23595 _diffrn_reflns_theta_max 41.23 _diffrn_reflns_theta_min 1.51 _diffrn_standards_decay_% 0 _diffrn_standards_interval_count 23595 _diffrn_standards_interval_time 3600 _diffrn_standards_number 100 _exptl_absorpt_coefficient_mu 15.84 _exptl_absorpt_correction_T_max 0.1733 _exptl_absorpt_correction_T_min 0.1388 _exptl_absorpt_correction_type spherical _exptl_crystal_colour 'Colourless ' _exptl_crystal_density_diffrn 4.44 _exptl_crystal_density_meas ? _exptl_crystal_description 'Sphere ' _exptl_crystal_F_000 1180.47 _exptl_crystal_size_rad 0.087(5) _refine_diff_density_max 7.83 _refine_diff_density_min -4.93 _refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881' _refine_ls_abs_structure_Flack 0.071(9) _refine_ls_extinction_coef 62.4(15) _refine_ls_extinction_method 'Larsen (1970)' _refine_ls_goodness_of_fit_obs 1.4451 _refine_ls_matrix_type full _refine_ls_number_parameters 149 _refine_ls_number_reflns 5759 _refine_ls_R_factor_obs 0.0279 _refine_ls_shift/esd_max 0.007260 _refine_ls_structure_factor_coef F _refine_ls_weighting_details 'w = 1/\s^2^(F~o~)' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_obs 0.0323 _reflns_number_observed 5759 _reflns_number_total 6358 _reflns_observed_criterion I>3.00\s(I) _[local]_cod_data_source_file an0545.cif _[local]_cod_data_source_block C86RTA _[local]_cod_cif_authors_sg_H-M 'P n a 21 ' _[local]_cod_chemical_formula_sum_orig 'As2 Cs1.73 O10 Rb0.27 Ti2 ' _cod_database_code 2002911 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x+1/2,y+1/2,z+1/2 x+1/2,-y+1/2,z -x,-y,z+1/2 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 Rb1 0.01670(10) 0.00930(10) 0.0439(2) 0.00325(8) 0.00700(10) 0.00450(10) Rb2 0.01136(9) 0.01318(9) 0.02960(10) 0.00301(7) 0.00248(9) 0.00452(9) Cs1 0.01670(10) 0.00930(10) 0.0439(2) 0.00325(8) 0.00700(10) 0.00450(10) Cs2 0.01136(9) 0.01318(9) 0.02960(10) 0.00301(7) 0.00248(9) 0.00452(9) Ti1 0.0062(2) 0.0082(2) 0.0046(2) 0.0000(2) -0.00010(10) 0.0012(2) Ti2 0.0063(2) 0.0066(2) 0.0052(2) -0.00040(10) 0.0010(2) 0.0003(2) As1 0.00475(9) 0.00640(10) 0.00582(9) -0.00004(9) -0.00071(8) 0.00010(10) As2 0.00710(10) 0.00570(10) 0.00570(10) -0.00020(10) 0.00030(10) -0.00065(9) O1 0.0120(10) 0.0140(10) 0.0120(10) -0.0022(9) -0.0039(8) 0.0074(9) O2 0.0090(10) 0.0150(10) 0.0130(10) 0.0029(8) -0.0044(8) -0.0066(8) O3 0.0067(9) 0.0122(9) 0.0130(10) -0.0012(7) 0.0017(7) 0.0026(8) O4 0.0041(8) 0.0099(9) 0.0210(10) 0.0017(7) 0.0002(7) -0.0029(8) O5 0.0090(9) 0.0120(10) 0.0076(9) -0.0008(8) -0.0013(7) 0.0038(7) O6 0.0087(9) 0.0109(9) 0.0089(9) 0.0005(7) 0.0024(7) 0.0025(7) O7 0.0140(10) 0.0074(9) 0.0140(10) -0.0027(8) 0.0054(8) -0.0012(8) O8 0.0150(10) 0.0071(9) 0.0170(10) 0.0016(9) -0.0042(9) -0.0009(8) O9 0.0100(10) 0.0140(10) 0.0095(9) 0.0033(8) -0.0035(8) -0.0045(8) O10 0.0140(10) 0.0120(10) 0.0092(9) -0.0040(8) 0.0041(8) -0.0045(8) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_occupancy Rb1 0.38625(2) 0.78497(4) 0.35215(3) 0.0233 Uani 0.211(5) Rb2 0.11002(2) 0.69595(3) 0.09538(3) 0.0180 Uani 0.057(5) Cs1 0.38625(2) 0.78497(4) 0.35215(3) 0.0233 Uani 0.789(5) Cs2 0.11002(2) 0.69595(3) 0.09538(3) 0.0180 Uani 0.943(5) Ti1 0.37252(4) 0.50188(8) 0.00118(5) 0.0063 Uani 1.0000 Ti2 0.25170(4) 0.26524(8) 0.25307(6) 0.0060 Uani 1.0000 As1 0.50131(2) 0.32641(4) 0.25808(4) 0.0057 Uani 1.0000 As2 0.17813(2) 0.50071(5) 0.51257(4) 0.0062 Uani 1.0000 O1 0.4861(2) 0.4759(4) 0.1368(2) 0.0128 Uani 1.0000 O2 0.5149(2) 0.4617(4) 0.3889(2) 0.0124 Uani 1.0000 O3 0.3982(2) 0.1915(4) 0.2837(2) 0.0105 Uani 1.0000 O4 0.6026(2) 0.1836(4) 0.2378(3) 0.0116 Uani 1.0000 O5 0.2157(2) -0.0589(4) 0.6424(2) 0.0094 Uani 1.0000 O6 0.2179(2) 0.0551(4) 0.3933(2) 0.0095 Uani 1.0000 O7 0.1115(2) 0.3006(4) 0.5497(3) 0.0119 Uani 1.0000 O8 0.1110(2) 0.6999(4) 0.4759(3) 0.0133 Uani 1.0000 O9 0.2532(2) 0.5470(4) 0.6360(2) 0.0111 Uani 1.0000 O10 0.2566(2) 0.4498(4) 0.3944(2) 0.0115 Uani 1.0000 loop_ _atom_type_symbol _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source 'Rb ' -0.9393 2.9676 International_Tables_Vol_IV_Table_2.2B 'Cs ' -0.3680 2.1192 International_Tables_Vol_IV_Table_2.2B 'Ti ' 0.2776 0.4457 International_Tables_Vol_IV_Table_2.2B 'As ' 0.0499 2.0058 International_Tables_Vol_IV_Table_2.2B 'O ' 0.0106 0.0060 International_Tables_Vol_IV_Table_2.2B 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 O1 Ti1 O2 . . 4_664 82.60(10) no O1 Ti1 O5 . . 2_554 83.80(10) no O2 Ti1 O5 4_664 . 2_554 165.90(10) no O1 Ti1 O6 . . 2_554 172.60(10) no O2 Ti1 O6 4_664 . 2_554 96.30(10) no O5 Ti1 O6 2_554 . 2_554 97.60(10) no O1 Ti1 O7 . . 2_554 80.70(10) no O2 Ti1 O7 4_664 . 2_554 87.10(10) no O5 Ti1 O7 2_554 . 2_554 94.40(10) no O6 Ti1 O7 2_554 . 2_554 91.90(10) no O1 Ti1 O8 . . 2_544 85.90(10) no O2 Ti1 O8 4_664 . 2_544 87.90(10) no O5 Ti1 O8 2_554 . 2_544 87.40(10) no O6 Ti1 O8 2_554 . 2_544 101.40(10) no O7 Ti1 O8 2_554 . 2_544 166.30(10) no O3 Ti2 O4 . . 3_455 173.70(10) no O3 Ti2 O5 . . 2_554 92.00(10) no O4 Ti2 O5 3_455 . 2_554 94.30(10) no O3 Ti2 O6 . . . 85.80(10) no O4 Ti2 O6 3_455 . . 87.80(10) no O5 Ti2 O6 2_554 . . 177.20(10) no O3 Ti2 O9 . . 2_544 87.00(10) no O4 Ti2 O9 3_455 . 2_544 92.70(10) no O5 Ti2 O9 2_554 . 2_544 95.70(10) no O6 Ti2 O9 . . 2_544 86.00(10) no O3 Ti2 O10 . . . 90.10(10) no O4 Ti2 O10 3_455 . . 89.10(10) no O5 Ti2 O10 2_554 . . 94.10(10) no O6 Ti2 O10 . . . 84.20(10) no O9 Ti2 O10 2_544 . . 169.90(10) no O1 As1 O2 . . . 108.90(10) no O1 As1 O3 . . . 111.10(10) no O2 As1 O3 . . . 104.70(10) no O1 As1 O4 . . . 110.70(10) no O2 As1 O4 . . . 109.60(10) no O3 As1 O4 . . . 111.60(10) no O7 As2 O8 . . . 115.20(10) no O7 As2 O9 . . . 106.60(10) no O8 As2 O9 . . . 110.60(10) no O7 As2 O10 . . . 110.10(10) no O8 As2 O10 . . . 109.20(10) no O9 As2 O10 . . . 104.50(10) no Ti1 O1 As1 . . . 132.5(2) no Ti1 O2 As1 4_665 . . 131.7(2) no Ti2 O3 As1 . . . 128.80(10) no Ti2 O4 As1 3_555 . . 133.10(10) no Ti1 O5 Ti2 2_545 . 2_545 145.1(2) no Ti1 O6 Ti2 2_545 . . 140.30(10) no Ti1 O7 As2 2_545 . . 132.20(10) no Ti1 O8 As2 2_555 . . 135.3(2) no Ti2 O9 As2 2_555 . . 128.7(2) no Ti2 O10 As2 . . . 133.4(2) no 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 Ti1 O1 . . 2.116(3) no Ti1 O2 . 4_664 1.951(3) no Ti1 O5 . 2_554 1.967(2) no Ti1 O6 . 2_554 1.718(2) no Ti1 O7 . 2_554 2.119(3) no Ti1 O8 . 2_544 2.094(3) no Ti2 O3 . . 2.063(3) no Ti2 O4 . 3_455 2.044(3) no Ti2 O5 . 2_554 1.744(2) no Ti2 O6 . . 2.127(2) no Ti2 O9 . 2_544 1.950(3) no Ti2 O10 . . 1.971(2) no As1 O1 . . 1.665(3) no As1 O2 . . 1.688(3) no As1 O3 . . 1.689(2) no As1 O4 . . 1.692(2) no As2 O7 . . 1.684(3) no As2 O8 . . 1.681(3) no As2 O9 . . 1.693(2) no As2 O10 . . 1.685(2) no