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_7231709
_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_formula_sum            'C20 H20 Bi2 Br4 Cl10 N4'
_chemical_formula_weight         1408.50
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
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_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
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_audit_update_record
;
2018-08-24 deposited with the CCDC.
2018-10-26 downloaded from the CCDC.
;
_cell_angle_alpha                99.470(3)
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_cell_angle_gamma                108.757(4)
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_cell_length_c                   10.4924(4)
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_cell_measurement_temperature    130(2)
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_cell_volume                     885.70(7)
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_computing_molecular_graphics    'ShelXle (H\"ubschle, 2011)'
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_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 0.996
_diffrn_measured_fraction_theta_max 0.829
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'New Xcalibur, AtlasS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
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_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0371
_diffrn_reflns_av_unetI/netI     0.0687
_diffrn_reflns_Laue_measured_fraction_full 0.996
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_diffrn_source                   'sealed X-ray tube'
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_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    2.641
_exptl_crystal_description       block
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_exptl_crystal_size_max          0.43
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_refine_diff_density_max         1.830
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_refine_ls_hydrogen_treatment    constr
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_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0445
_refine_ls_R_factor_gt           0.0363
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0133P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0627
_refine_ls_wR_factor_ref         0.0680
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3444
_reflns_number_total             3893
_reflns_threshold_expression     >2\s(I)
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_cod_data_source_block           SA1777
_cod_depositor_comments
'Adding full bibliography for 7231701--7231709.cif.'
_cod_database_code               7231709
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.059
_shelx_estimated_absorpt_t_max   0.225
_shelx_res_checksum              25318