π-Extended Planarized Triphenylboranes with Thiophene Spacers.
Shuto, Ayumi; Kushida, Tomokatsu; Fukushima, Tatsuya; Kaji, Hironori; Yamaguchi, Shigehiro; Organic letters 15 (2013) 6234–6237; doi:10.1021/ol403084x

data_1513239
_publ_section_title
;
 \p-Extended Planarized Triphenylboranes with Thiophene Spacers.
;
_journal_issue                   24
_journal_name_full               'Organic letters'
_journal_page_first              6234
_journal_page_last               6237
_journal_paper_doi               10.1021/ol403084x
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C54 H46 B2 S'
_chemical_formula_sum            'C54 H46 B2 S'
_chemical_formula_weight         748.59
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.68(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.544(11)
_cell_length_b                   26.440(19)
_cell_length_c                   25.33(3)
_cell_measurement_reflns_used    370
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      31.5050
_cell_measurement_theta_min      2.7940
_cell_volume                     9720(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type
;
Saturn70 CCD (4x4 bin mode) with MicroMax-007
;
_diffrn_measurement_method       dtprofit.ref
_diffrn_radiation_monochromator  VariMax
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoKa
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0480
_diffrn_reflns_av_sigmaI/netI    0.0734
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            64636
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.80
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.9902
_exptl_absorpt_correction_T_min  0.9806
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.023
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             3168
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_platon_squeeze_details
;
;
_refine_diff_density_max         0.540
_refine_diff_density_min         -0.414
_refine_diff_density_rms         0.080
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.33(10)
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     2085
_refine_ls_number_reflns         25657
_refine_ls_number_restraints     25
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0988
_refine_ls_R_factor_gt           0.0880
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1591P)^2^+6.8366P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2447
_refine_ls_wR_factor_ref         0.2571
_reflns_number_gt                20968
_reflns_number_total             25657
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol403084x_si_002.cif
_cod_data_source_block           compound_2
_cod_original_cell_volume        9719(16)
_cod_original_sg_symbol_H-M      P21
_cod_database_code               1513239