The Opposite and Amplifying Effect of B-N Coordination on Photophysical Properties of Regioisomers with an Unsymmetrical Backbone
Zeng, Chao; Yuan, Kang; Wang, Nan; Peng, Tai; Wu, Gang; Wang, Suning; Chemical Science  (2019) –; doi:10.1039/C8SC04210A

data_1550304
_publ_section_title
;
 The Opposite and Amplifying Effect of B-N Coordination on Photophysical
 Properties of Regioisomers with an Unsymmetrical Backbone
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/C8SC04210A
_journal_year                    2019
_chemical_formula_sum            'C43 H38 B N2'
_chemical_formula_weight         593.56
_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'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-04-26 deposited with the CCDC.
2018-11-27 downloaded from the CCDC.
;
_cell_angle_alpha                81.008(6)
_cell_angle_beta                 83.598(6)
_cell_angle_gamma                78.061(6)
_cell_formula_units_Z            2
_cell_length_a                   8.1887(14)
_cell_length_b                   13.353(2)
_cell_length_c                   15.493(2)
_cell_measurement_reflns_used    3099
_cell_measurement_temperature    179(2)
_cell_measurement_theta_max      22.40
_cell_measurement_theta_min      2.55
_cell_volume                     1631.5(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-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      179(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.991
_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  0.1340
_diffrn_reflns_av_unetI/netI     0.1730
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            19378
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.202
_diffrn_reflns_theta_min         2.199
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_T_max  0.991
_exptl_absorpt_correction_T_min  0.980
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.208
_exptl_crystal_description       Block
_exptl_crystal_F_000             630
_exptl_crystal_size_max          0.293
_exptl_crystal_size_mid          0.204
_exptl_crystal_size_min          0.138
_exptl_transmission_factor_max   0.745
_exptl_transmission_factor_min   0.618
_refine_diff_density_max         0.502
_refine_diff_density_min         -0.389
_refine_diff_density_rms         0.094
_refine_ls_extinction_coef       0.028(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     423
_refine_ls_number_reflns         7207
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.2006
_refine_ls_R_factor_gt           0.1223
_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^)+(0.1200P)^2^+2.4000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2965
_refine_ls_wR_factor_ref         0.3284
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3723
_reflns_number_total             7207
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8sc04210a2.cif
_cod_data_source_block           b1b-sr
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_cell_volume        1631.5(5)
_cod_database_code               1550304
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.980
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              34765