New Bismuth Selenium Oxides: Syntheses, Structures, and Characterizations of Centrosymmetric Bi2(SeO3)2(SeO4) and Bi2(TeO3)2(SeO4) and Noncentrosymmetric Bi(SeO3)(HSeO3)
Eun Pyo Lee; Seung Yoon Song; Dong Woo Lee; Kang Min Ok; Inorganic Chemistry 52 (2013) 4097–4103; doi:10.1021/ic4002384

data_4334388
_publ_section_title
;
 New Bismuth Selenium Oxides: Syntheses, Structures, and Characterizations
 of Centrosymmetric Bi2(SeO3)2(SeO4) and Bi2(TeO3)2(SeO4) and
 Noncentrosymmetric Bi(SeO3)(HSeO3)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4097
_journal_page_last               4103
_journal_paper_doi               10.1021/ic4002384
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'Bi2 O10 Se Te2'
_chemical_formula_weight         912.12
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-I 2ya'
_symmetry_space_group_name_H-M   'I 1 2/a 1'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 97.824(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.0995(2)
_cell_length_b                   7.4835(2)
_cell_length_c                   14.8219(5)
_cell_measurement_temperature    173.0(2)
_cell_volume                     890.03(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173.0(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART BREEZE'
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1122
_diffrn_reflns_av_unetI/netI     0.0871
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            8924
_diffrn_reflns_theta_full        28.3
_diffrn_reflns_theta_max         28.3
_diffrn_reflns_theta_min         2.77
_exptl_absorpt_coefficient_mu    50.046
_exptl_absorpt_correction_T_max  0.25
_exptl_absorpt_correction_T_min  0.14
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
 SADABS(Blessing, 1995) 
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    6.807
_exptl_crystal_description       Block
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          0.047
_exptl_crystal_size_mid          0.034
_exptl_crystal_size_min          0.028
_refine_diff_density_max         2.115
_refine_diff_density_min         -4.033
_refine_diff_density_rms         0.62
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_matrix_type           full
_refine_ls_number_parameters     70
_refine_ls_number_reflns         1102
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0722
_refine_ls_R_factor_gt           0.047
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0671P)^2^+0.6381P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1312
_refine_ls_wR_factor_ref         0.1383
_reflns_number_gt                780
_reflns_number_total             1102
_reflns_threshold_expression     >2s\(I)
_cod_data_source_file            ic4002384_si_002_2.cif
_cod_data_source_block           Bi2Te2SeO10
_cod_original_formula_sum        'Bi2 O10 Se1 Te2'
_cod_database_code               4334388