#------------------------------------------------------------------------------ #$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/01/36/2013673.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_2013673 loop_ _publ_author_name 'Kimura, Teiichi' 'Goto, Takashi' 'Yamane, Hisanori' 'Iwata, Hiroaki' 'Kajiwara, Takashi' 'Akashi, Takaya' _publ_section_title ; A ferroelectric barium titanate, BaTi~2~O~5~ ; _journal_issue 12 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first i128 _journal_page_last i130 _journal_paper_doi 10.1107/S0108270103021395 _journal_volume 59 _journal_year 2003 _chemical_formula_iupac 'Ba1 Ti2 O5' _chemical_formula_moiety 'Ba1 Ti2 O5' _chemical_formula_sum 'Ba O5 Ti2' _chemical_formula_weight 313.14 _chemical_name_common 'barium titanate oxide' _chemical_name_systematic ; monobarium dititanium pentaoxide ; _space_group_IT_number 5 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall 'C 2y' _symmetry_space_group_name_H-M 'C 1 2 1' _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 103.103(3) _cell_angle_gamma 90.00 _cell_formula_units_Z 6 _cell_length_a 16.899(3) _cell_length_b 3.9350(6) _cell_length_c 9.4105(15) _cell_measurement_reflns_used 818 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 30.017 _cell_measurement_theta_min 2.230 _cell_volume 609.48(17) _computing_cell_refinement 'SMART and SAINT' _computing_data_collection 'SMART and SAINT (Bruker, 1999)' _computing_data_reduction 'XPREP (Bruker, 1997)' _computing_molecular_graphics 'ATOMS (Dowty, 1999) and CrystalMaker (Palmer, 2002)' _computing_publication_material 'SHELXL97 (Sheldrick, 1997)' _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution ?? _diffrn_ambient_temperature 293(2) _diffrn_measured_fraction_theta_full 0.985 _diffrn_measured_fraction_theta_max 0.985 _diffrn_measurement_device_type 'Bruker SMART CCD? area-detector' _diffrn_measurement_method '\w scans' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0663 _diffrn_reflns_av_sigmaI/netI 0.0587 _diffrn_reflns_limit_h_max 23 _diffrn_reflns_limit_h_min -17 _diffrn_reflns_limit_k_max 5 _diffrn_reflns_limit_k_min -5 _diffrn_reflns_limit_l_max 13 _diffrn_reflns_limit_l_min -13 _diffrn_reflns_number 2619 _diffrn_reflns_theta_full 30.01 _diffrn_reflns_theta_max 30.01 _diffrn_reflns_theta_min 2.22 _diffrn_standards_decay_% 'no decay' _exptl_absorpt_coefficient_mu 13.322 _exptl_absorpt_correction_T_max 0.34725 _exptl_absorpt_correction_T_min 0.18853 _exptl_absorpt_correction_type analytical _exptl_absorpt_process_details 'face indexed (XPREP; Bruker, 1997)' _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 5.119 _exptl_crystal_density_meas 5.09 _exptl_crystal_density_method 'Archimedian method' _exptl_crystal_description prismatic _exptl_crystal_F_000 840 _exptl_crystal_size_max 0.20 _exptl_crystal_size_mid 0.14 _exptl_crystal_size_min 0.12 _refine_diff_density_max 2.760 _refine_diff_density_min -3.052 _refine_ls_abs_structure_details ; Flack (1983) ; _refine_ls_abs_structure_Flack 0.30(8) _refine_ls_extinction_coef 0.0254(11) _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_extinction_method SHELXL97 _refine_ls_goodness_of_fit_ref 1.082 _refine_ls_matrix_type full _refine_ls_number_parameters 74 _refine_ls_number_reflns 1636 _refine_ls_number_restraints 1 _refine_ls_restrained_S_all 1.082 _refine_ls_R_factor_all 0.0462 _refine_ls_R_factor_gt 0.0450 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0689P)^2^] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1113 _refine_ls_wR_factor_ref 0.1121 _reflns_number_gt 1557 _reflns_number_total 1636 _reflns_threshold_expression I>2\s(I) _cod_data_source_file sk1654.cif _cod_data_source_block I _cod_original_sg_symbol_H-M 'C 2' _cod_original_formula_sum 'Ba1 O5 Ti2' _cod_database_code 2013673 _cod_database_fobs_code 2013673 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y, -z' 'x+1/2, y+1/2, z' '-x+1/2, y+1/2, -z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol Ba1 0.36904(2) -0.00011(10) 0.01784(4) 0.00766(18) Uani d . 1 . . Ba Ba2 0.0000 0.5017(3) 0.5000 0.00730(19) Uani d S 1 . . Ba Ti1 0.03911(9) -0.0310(5) 0.21058(15) 0.0046(3) Uani d . 1 . . Ti Ti2 0.20711(7) 0.0118(6) 0.37260(13) 0.0052(3) Uani d . 1 . . Ti Ti3 0.33375(7) 0.5087(7) 0.30576(13) 0.0052(3) Uani d . 1 . . Ti O1 0.0355(3) 0.521(2) 0.2097(6) 0.0084(10) Uiso d . 1 . . O O2 0.1089(3) 0.009(3) 0.4279(5) 0.0074(9) Uiso d . 1 . . O O3 0.1527(3) 0.012(2) 0.1850(5) 0.0067(9) Uiso d . 1 . . O O4 0.1745(3) 0.513(3) 0.6622(5) 0.0085(10) Uiso d . 1 . . O O5 0.2354(3) 0.512(2) 0.3989(5) 0.0071(9) Uiso d . 1 . . O O6 0.2892(3) 0.509(3) 0.1234(5) 0.0090(10) Uiso d . 1 . . O O7 0.4423(3) 0.519(3) 0.2881(5) 0.0089(10) Uiso d . 1 . . O O8 0.0000 0.015(4) 0.0000 0.0100(14) Uiso d S 1 . . O 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 Ba1 0.0090(3) 0.0067(3) 0.0076(3) 0.0001(3) 0.00255(16) 0.0000(3) Ba2 0.0098(3) 0.0063(3) 0.0056(3) 0.000 0.0013(2) 0.000 Ti1 0.0052(6) 0.0037(8) 0.0054(6) -0.0006(7) 0.0022(4) -0.0002(7) Ti2 0.0056(5) 0.0056(6) 0.0040(5) 0.0010(8) 0.0000(4) -0.0004(9) Ti3 0.0054(5) 0.0060(6) 0.0046(5) -0.0003(8) 0.0021(4) 0.0009(9) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Ti Ti 0.2776 0.4457 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Ba Ba -0.3244 2.2819 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' 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 _geom_angle_publ_flag O1 Ti1 O7 1_545 3_445 94.1(4) yes O1 Ti1 O8 1_545 . 94.9(4) yes O7 Ti1 O8 3_445 . 104.55(18) yes O1 Ti1 O3 1_545 . 96.7(3) yes O7 Ti1 O3 3_445 . 161.8(3) yes O8 Ti1 O3 . . 89.03(15) yes O1 Ti1 O2 1_545 . 95.2(4) yes O7 Ti1 O2 3_445 . 87.8(2) yes O8 Ti1 O2 . . 163.4(4) yes O3 Ti1 O2 . . 76.7(2) yes O1 Ti1 O1 1_545 . 176.5(3) yes O7 Ti1 O1 3_445 . 82.8(3) yes O8 Ti1 O1 . . 84.3(5) yes O3 Ti1 O1 . . 86.7(3) yes O2 Ti1 O1 . . 86.4(3) yes O3 Ti2 O2 . . 89.1(2) yes O3 Ti2 O5 . 1_545 100.0(3) yes O2 Ti2 O5 . 1_545 99.3(4) yes O3 Ti2 O5 . . 100.0(3) yes O2 Ti2 O5 . . 99.9(4) yes O5 Ti2 O5 1_545 . 152.3(3) yes O3 Ti2 O4 . 4_546 98.0(2) yes O2 Ti2 O4 . 4_546 172.8(2) yes O5 Ti2 O4 1_545 4_546 79.3(3) yes O5 Ti2 O4 . 4_546 79.0(3) yes O3 Ti2 O5 . 4_546 176.2(2) yes O2 Ti2 O5 . 4_546 87.1(2) yes O5 Ti2 O5 1_545 4_546 80.7(3) yes O5 Ti2 O5 . 4_546 80.6(3) yes O4 Ti2 O5 4_546 4_546 85.73(19) yes O6 Ti3 O7 . . 97.3(2) yes O6 Ti3 O4 . 4_546 97.1(4) yes O7 Ti3 O4 . 4_546 98.0(4) yes O6 Ti3 O4 . 4_556 96.8(4) yes O7 Ti3 O4 . 4_556 95.4(4) yes O4 Ti3 O4 4_546 4_556 159.3(3) yes O6 Ti3 O5 . . 102.3(2) yes O7 Ti3 O5 . . 160.2(2) yes O4 Ti3 O5 4_546 . 81.3(3) yes O4 Ti3 O5 4_556 . 80.7(3) yes O6 Ti3 O2 . 4_556 177.0(2) yes O7 Ti3 O2 . 4_556 85.61(19) yes O4 Ti3 O2 4_546 4_556 82.6(3) yes O4 Ti3 O2 4_556 4_556 82.7(3) yes O5 Ti3 O2 . 4_556 74.69(18) yes loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag Ba1 O6 1_545 2.673(9) yes Ba1 O3 4_545 2.673(7) yes Ba1 O6 4_545 2.703(5) yes Ba1 O6 . 2.727(9) yes Ba1 O3 4 2.742(8) yes Ba1 O8 3_545 2.954(9) yes Ba1 O1 4_545 2.960(5) yes Ba1 O1 3_545 2.980(5) yes Ba1 O8 3 3.035(10) yes Ba1 O7 1_545 3.186(7) yes Ba1 O4 4_546 3.258(5) yes Ba1 O7 . 3.279(7) yes Ba2 O7 3_445 2.766(8) yes Ba2 O7 4_546 2.766(8) yes Ba2 O2 2_556 2.858(9) yes Ba2 O2 . 2.858(9) yes Ba2 O7 4_556 2.862(8) yes Ba2 O7 3_455 2.862(8) yes Ba2 O2 1_565 2.899(9) yes Ba2 O2 2_566 2.899(8) yes Ba2 O1 . 2.928(5) yes Ba2 O1 2_556 2.928(5) yes Ba2 O4 . 2.998(5) yes Ba2 O4 2_556 2.998(5) yes Ti1 O1 1_545 1.765(10) yes Ti1 O7 3_445 1.947(5) yes Ti1 O8 . 1.9502(19) yes Ti1 O3 . 1.996(5) yes Ti1 O2 . 2.123(5) yes Ti1 O1 . 2.171(10) yes Ti1 Ti2 . 2.9069(19) yes Ti2 O3 . 1.796(5) yes Ti2 O2 . 1.849(5) yes Ti2 O5 1_545 2.025(10) yes Ti2 O5 . 2.028(10) yes Ti2 O4 4_546 2.099(5) yes Ti2 O5 4_546 2.150(5) yes Ti2 Ti3 . 3.067(3) yes Ti2 Ti3 1_545 3.083(3) yes Ti2 Ti2 4_556 3.1853(19) yes Ti2 Ti2 4_546 3.1853(19) yes Ti2 Ti3 4_546 3.2536(17) yes Ti3 O6 . 1.710(5) yes Ti3 O7 . 1.879(5) yes Ti3 O4 4_546 1.983(11) yes Ti3 O4 4_556 2.018(11) yes Ti3 O5 . 2.047(5) yes Ti3 O2 4_556 2.474(5) yes