An Air-Stable Organoboron Compound, Dithienooxadiborepine: Preparation and Functionalization.
Yan, Qifan; Yin, Mengxuan; Chen, Cheng; Zhang, Yuankun; The Journal of organic chemistry 83 (2018) 9096–9102; doi:10.1021/acs.joc.8b01188

data_4035298
_publ_section_title
;
 An Air-Stable Organoboron Compound, Dithienooxadiborepine: Preparation
 and Functionalization.
;
_journal_issue                   16
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              9096
_journal_page_last               9102
_journal_paper_doi               10.1021/acs.joc.8b01188
_journal_volume                  83
_journal_year                    2018
_chemical_formula_sum            'C38 H16 B2 F18 O S2'
_chemical_formula_weight         916.25
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c 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            8
_cell_length_a                   9.2316(3)
_cell_length_b                   24.6720(8)
_cell_length_c                   32.5936(10)
_cell_measurement_reflns_used    9931
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      54.961
_cell_measurement_theta_min      4.874
_cell_volume                     7423.6(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0329
_diffrn_reflns_av_unetI/netI     0.0237
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            39510
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.999
_diffrn_reflns_theta_min         2.500
_exptl_absorpt_coefficient_mu    0.268
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6445
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.640
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             3648
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.130
_refine_diff_density_max         0.947
_refine_diff_density_min         -0.647
_refine_diff_density_rms         0.059
_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   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     578
_refine_ls_number_reflns         7272
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0642
_refine_ls_R_factor_gt           0.0526
_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^)+(0.0805P)^2^+8.3036P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1409
_refine_ls_wR_factor_ref         0.1534
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6038
_reflns_number_total             7272
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b01188_si_002.cif
_cod_data_source_block           mo_d8v18028_0m
_cod_database_code               4035298
_shelx_estimated_absorpt_t_min   0.948
_shelx_estimated_absorpt_t_max   0.966
_shelxl_version_number           2013-4
_shelx_res_checksum              77767
_shelx_hkl_checksum              243