An Isolable Bismabenzene: Synthesis, Structure, and Reactivity.
Ishii, Takuya; Suzuki, Katsunori; Nakamura, Taichi; Yamashita, Makoto; Journal of the American Chemical Society 138 (2016) 12787–12790; doi:10.1021/jacs.6b08714

data_4131023
_publ_section_title
;
 An Isolable Bismabenzene: Synthesis, Structure, and Reactivity.
;
_journal_issue                   39
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12787
_journal_page_last               12790
_journal_paper_doi               10.1021/jacs.6b08714
_journal_volume                  138
_journal_year                    2016
_chemical_formula_moiety         'C23 H46 Bi Cl Si2'
_chemical_formula_sum            'C23 H46 Bi Cl Si2'
_chemical_formula_weight         623.21
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.556(7)
_cell_length_b                   26.674(15)
_cell_length_c                   8.038(4)
_cell_measurement_reflns_used    8055
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      31.2615
_cell_measurement_theta_min      2.6466
_cell_volume                     2692(3)
_computing_cell_refinement       'RIGAKU CrystalClear'
_computing_data_collection       'RIGAKU CrystalClear'
_computing_data_reduction        'RIGAKU CrystalClear'
_computing_molecular_graphics    'Yadokari-XG 2009(Wakita Nemoto et al.)'
_computing_publication_material  'Yadokari-XG 2009(Wakita,Nemoto et al.)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    SIR-2004
_diffrn_ambient_temperature      93(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku VariMax Saturn'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_source         'rotating-anode X-ray tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0931
_diffrn_reflns_av_unetI/netI     0.0618
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            20877
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.500
_diffrn_reflns_theta_min         3.009
_exptl_absorpt_coefficient_mu    6.744
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6869
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.538
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.140
_exptl_crystal_size_mid          0.130
_exptl_crystal_size_min          0.070
_refine_diff_density_max         1.695
_refine_diff_density_min         -2.140
_refine_diff_density_rms         0.196
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     133
_refine_ls_number_reflns         3165
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0467
_refine_ls_R_factor_gt           0.0385
_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^)+(0.0386P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0868
_refine_ls_wR_factor_ref         0.0911
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2761
_reflns_number_total             3165
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja6b08714_si_002.cif
_cod_data_source_block           04-014
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-scan' was
changed to 'multi-scan' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        2692(2)
_cod_database_code               4131023
_shelx_estimated_absorpt_t_min   0.452
_shelx_estimated_absorpt_t_max   0.650
_shelxl_version_number           2013-4
_shelx_res_checksum              89263
_shelx_hkl_checksum              82036