Planar chiral [2.2]paracyclophanyl-based boron fluoride complexes: synthesis, crystal structure and photophysical properties
Duan, Wen-zeng; Ji, Honghan; Yang, Zeren; Yao, Qingxia; Huo, Yanmin; Ren, Xuerui; Zhao, Jiaojiao; Gong, Shuwen; Dalton Transactions  (2021) –; doi:10.1039/D1DT02231H

data_7708026
_publ_section_title
;
 Planar chiral [2.2]paracyclophanyl-based boron fluoride complexes:
 synthesis, crystal structure and photophysical properties
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D1DT02231H
_journal_year                    2021
_chemical_absolute_configuration rm
_chemical_formula_sum            'C26 H26 B F2 N O'
_chemical_formula_weight         417.29
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-08-06 deposited with the CCDC.	2021-08-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.5642(5)
_cell_length_b                   9.5549(6)
_cell_length_c                   28.5373(19)
_cell_measurement_reflns_used    4239
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      70.6920
_cell_measurement_theta_min      5.4390
_cell_volume                     2062.5(2)
_computing_cell_refinement       'CrysAlisPro 1.171.39.35c (Rigaku OD, 2017)'
_computing_data_collection       'CrysAlisPro 1.171.39.35c (Rigaku OD, 2017)'
_computing_data_reduction        'CrysAlisPro 1.171.39.35c (Rigaku OD, 2017)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 8.1281
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0641
_diffrn_reflns_av_unetI/netI     0.0626
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            13748
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        67.236
_diffrn_reflns_theta_max         67.236
_diffrn_reflns_theta_min         4.881
_diffrn_source                   'fine-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.750
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.86055
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.344
_exptl_crystal_description       block
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.110
_exptl_crystal_size_min          0.110
_refine_diff_density_max         0.200
_refine_diff_density_min         -0.219
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details
;
 Flack x determined using 961 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.14(15)
_refine_ls_extinction_coef       0.0032(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     283
_refine_ls_number_reflns         3694
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0669
_refine_ls_R_factor_gt           0.0484
_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^)+(0.0544P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1078
_refine_ls_wR_factor_ref         0.1233
_reflns_Friedel_coverage         0.721
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                2895
_reflns_number_total             3694
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt02231h2.cif
_cod_data_source_block           exp_9553
_cod_database_code               7708026
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.915
_shelx_estimated_absorpt_t_max   0.922
_shelx_res_checksum              23904
_shelx_hkl_checksum              81828