#------------------------------------------------------------------------------ #$Date: 2021-05-18 19:36:50 +0300 (Tue, 18 May 2021) $ #$Revision: 265307 $ #$URL: file:///home/coder/svn-repositories/cod/cif/3/00/00/3000099.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_3000099 loop_ _publ_author_name 'Bubnova, Rimma' 'Volkov, Sergey' 'Barbara Albert' 'Filatov, Stanislav' _publ_section_title ; Borates--Crystal Structures of Prospective Nonlinear Optical Materials: High Anisotropy of the Thermal Expansion Caused by Anharmonic Atomic Vibrations ; _journal_issue 3 _journal_name_full Crystals _journal_page_first 93 _journal_paper_doi 10.3390/cryst7030093 _journal_volume 7 _journal_year 2017 _chemical_formula_sum 'B2 Ba O4' _chemical_formula_weight 223 _space_group_IT_number 161 _symmetry_cell_setting trigonal _symmetry_Int_Tables_number 161 _symmetry_space_group_name_Hall 'R 3 -2"c' _symmetry_space_group_name_H-M 'R 3 c :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 54 _cell_length_a 12.5517(19) _cell_length_b 12.5517(19) _cell_length_c 12.985(3) _cell_measurement_temperature 693 _cell_volume 1771.6(6) _diffrn_ambient_temperature 693 _diffrn_radiation_probe x-ray _diffrn_radiation_source 'X-ray tube' _diffrn_radiation_type 'Mo K\a' _diffrn_radiation_wavelength 0.71069 _exptl_absorpt_coefficient_mu 29.849 _exptl_crystal_density_diffrn 11.2842 _cod_data_source_file b-BaB2O4_693.cif _cod_data_source_block I _cod_depositor_comments ; The following automatic conversions were performed: '_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according to the built-in table from CIF Core dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_values 4624 2016-04-14 12:54:50Z antanas Released structure into public domain as published material. Antanas Vaitkus, 2021-05-18 ; _cod_original_cell_volume 1771.7(5) _cod_original_sg_symbol_Hall 'R 3;-2"c' _cod_original_sg_symbol_H-M 'R 3 c' _cod_original_formula_sum 'B2 Ba1 O4' _cod_database_code 3000099 loop_ _space_group_symop_id _space_group_symop_operation_xyz 1 x,y,z 2 -y,x-y,z 3 -x+y,-x,z 4 -y,-x,z+1/2 5 -x+y,y,z+1/2 6 x,x-y,z+1/2 7 x+2/3,y+1/3,z+1/3 8 -y+2/3,x-y+1/3,z+1/3 9 -x+y+2/3,-x+1/3,z+1/3 10 -y+2/3,-x+1/3,z+5/6 11 -x+y+2/3,y+1/3,z+5/6 12 x+2/3,x-y+1/3,z+5/6 13 x+1/3,y+2/3,z+2/3 14 -y+1/3,x-y+2/3,z+2/3 15 -x+y+1/3,-x+2/3,z+2/3 16 -y+1/3,-x+2/3,z+1/6 17 -x+y+1/3,y+2/3,z+1/6 18 x+1/3,x-y+2/3,z+1/6 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_adp_type _atom_site_U_iso_or_equiv _atom_site_site_symmetry_multiplicity _atom_site_occupancy _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_assembly _atom_site_disorder_group B1 B 0.022803 -0.100533 0.242557 Uani 0.0296 18 1 d . . . B2 B 0.04274 -0.08657 0.50213 Uani 0.0295 18 1 d . . . Ba1 Ba 0.358717 0.355773 0.379923 Uani 0.0311 18 1 d . . . O1 O -0.041123 0.081803 0.501023 Uani 0.0467 18 1 d . . . O2 O 0.163867 0.250043 0.509343 Uani 0.0465 18 1 d . . . O3 O 0.117487 0.020433 0.243813 Uani 0.045 18 1 d . . . O4 O 0.04626 0.23694 0.73542 Uani 0.0414 18 1 d . . . loop_ _atom_site_aniso_label _atom_site_aniso_type_symbol _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 B1 B 0.029132 0.024383 0.035821 0.013708 0.006579 -0.00062 B2 B 0.028114 0.019196 0.042228 0.012561 -0.003504 -0.00715 Ba1 Ba 0.02248 0.025255 0.045892 0.012108 -0.001637 -0.000532 O1 O 0.021963 0.023858 0.090028 0.008278 0.005192 0.005021 O2 O 0.030928 0.024383 0.076939 0.008411 0.01479 0.00708 O3 O 0.025328 0.025108 0.086573 0.014051 -0.005705 0.000103 O4 O 0.045314 0.027815 0.055099 0.02138 0.001681 -0.00037 loop_ _atom_type_symbol _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source B 0.0013 0.0007 'International Tables Vol C tables 4.2.6.8 and 6.1.1.1' Ba -0.3244 2.2819 'International Tables Vol C tables 4.2.6.8 and 6.1.1.1' O 0.0106 0.0060 'International Tables Vol C tables 4.2.6.8 and 6.1.1.1' 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 O1 O1 . 2_555 2.3563(9) O1 O1 . 3_555 2.3563(5) O1 O2 . . 2.3786(11) O1 O2 . 2_555 2.4093(11) O3 O3 . 2_555 2.3636(4) O3 O3 . 3_555 2.3636(10) O3 O4 . 5_554 2.3967(10) O3 O4 . 6_554 2.3375(9)