#------------------------------------------------------------------------------
#$Date: 2021-05-18 19:36:50 +0300 (Tue, 18 May 2021) $
#$Revision: 265307 $
#$URL: file:///home/coder/svn-repositories/cod/cif/3/00/01/3000100.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_3000100
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            18
_cell_length_a                   12.5806(14)
_cell_length_b                   12.5806(14)
_cell_length_c                   12.7947(18)
_cell_measurement_temperature    323
_cell_volume                     1753.7(4)
_diffrn_ambient_temperature      323
_diffrn_measured_fraction_theta_full 0.98
_diffrn_measured_fraction_theta_max 0.98
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'IPDS Stoe'
_diffrn_measurement_method       '??integration method??'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'X-ray tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0819
_diffrn_reflns_av_unetI/netI     0.0043
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5166
_diffrn_reflns_theta_full        29.2
_diffrn_reflns_theta_max         29.2
_diffrn_reflns_theta_min         3.24
_exptl_absorpt_coefficient_mu    10.052
_exptl_crystal_density_diffrn    3.7999
_exptl_crystal_F_000             1764
_refine_diff_density_max         0.92
_refine_diff_density_min         -0.78
_refine_ls_abs_structure_details
'  516 of Friedel pairs used in the refinement'
_refine_ls_extinction_coef       3800(300)
_refine_ls_extinction_method
'B-C type 1 Gaussian isotropic (Becker & Coppens, 1974)'
_refine_ls_goodness_of_fit_gt    3.30
_refine_ls_goodness_of_fit_ref   3.28
_refine_ls_number_constraints    1
_refine_ls_number_parameters     65
_refine_ls_number_reflns         1043
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0296
_refine_ls_R_factor_gt           0.0293
_refine_ls_shift/su_max          0.0451
_refine_ls_shift/su_mean         0.0076
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     w=1/(σ²(F)+0.0001F²)
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.0382
_refine_ls_wR_factor_ref         0.0383
_reflns_number_gt                1028
_reflns_number_total             1043
_reflns_threshold_expression     I>3σ(I)
_cod_data_source_file            b-BaB2O4_323K.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_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               3000100
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 0.0214(7) -0.1014(7) 0.2425(6) Uani 0.017(3) 18 1 d . . .
B2 B 0.0422(7) -0.0874(7) 0.5030(6) Uani 0.019(3) 18 1 d . . .
Ba1 Ba 0.36073(3) 0.35763(3) 0.37993(2) Uani 0.01553(17) 18 1 d . . .
O1 O -0.0410(5) 0.0830(5) 0.5007(5) Uani 0.024(2) 18 1 d . . .
O2 O 0.1636(5) 0.2494(5) 0.5091(5) Uani 0.0238(19) 18 1 d . . .
O3 O 0.1183(5) 0.0214(5) 0.2441(5) Uani 0.024(2) 18 1 d . . .
O4 O 0.0457(5) 0.2380(4) 0.7349(4) Uani 0.0212(18) 18 1 d . . .
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_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
B2 O1 B2 2_555 . 3_555 124.5(10)
B1 O3 B1 . . 2_555 123.9(7)
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 B2 . 2_555 1.417(11)
O1 B2 . 3_555 1.404(9)
O2 B2 . 2_555 1.323(11)
O3 B1 . . 1.410(8)
O3 B1 . 2_555 1.395(15)
O4 B1 . 6_555 1.327(14)
