Halobismuthates with halopyridinium cations: appearance or non-appearance of unusual colouring
Adonin, Sergey A.; Gorokh, Igor D.; Novikov, Alexander S.; Samsonenko, Denis G.; Yushina, Irina V.; Sokolov, Maxim N.; Fedin, Vladimir P.; CrystEngComm 20 (2018) 7766–; doi:10.1039/C8CE01749B

data_7231707
_publ_section_title
;
 Halobismuthates with halopyridinium cations: appearance or non-appearance
 of unusual colouring
;
_journal_issue                   48
_journal_name_full               CrystEngComm
_journal_page_first              7766
_journal_paper_doi               10.1039/C8CE01749B
_journal_volume                  20
_journal_year                    2018
_chemical_absolute_configuration unk
_chemical_formula_sum            'C18 H25 Bi2 Br12 N3 O2'
_chemical_formula_weight         1692.29
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2018-08-24 deposited with the CCDC.
2018-10-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.969(8)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.1878(7)
_cell_length_b                   12.1235(9)
_cell_length_c                   19.5314(15)
_cell_measurement_reflns_used    3122
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      28.64
_cell_measurement_theta_min      3.97
_cell_volume                     1909.5(3)
_computing_cell_refinement       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_molecular_graphics    'ShelXle (H\"ubschle, 2011)'
_computing_publication_material  'CIFTAB-2014 (Sheldrick, 2015)'
_computing_structure_refinement  'SHELXL-2017 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT-2014 (Sheldrick, 2015)'
_diffrn_ambient_temperature      130(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.6168
_diffrn_detector_type            AtlasS2
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.845
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'New Xcalibur, AtlasS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0427
_diffrn_reflns_av_unetI/netI     0.0857
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.845
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            9858
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.844
_diffrn_reflns_theta_full        25.500
_diffrn_reflns_theta_max         29.041
_diffrn_reflns_theta_min         3.361
_diffrn_source                   'sealed X-ray tube'
_exptl_absorpt_coefficient_mu    21.780
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.36481
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.943
_exptl_crystal_description       block
_exptl_crystal_F_000             1512
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.17
_refine_diff_density_max         1.564
_refine_diff_density_min         -2.303
_refine_diff_density_rms         0.281
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.307(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     338
_refine_ls_number_reflns         6912
_refine_ls_number_restraints     121
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0533
_refine_ls_R_factor_gt           0.0481
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0348P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0991
_refine_ls_wR_factor_ref         0.1050
_reflns_Friedel_coverage         0.911
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.843
_reflns_number_gt                6447
_reflns_number_total             6912
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c8ce01749b2.cif
_cod_data_source_block           IG355-1
_cod_depositor_comments
'Adding full bibliography for 7231701--7231709.cif.'
_cod_database_code               7231707
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.036
_shelx_estimated_absorpt_t_max   0.119
_shelx_res_checksum              55477