Functionalization of Boron Diiminates with Unique Optical Properties: Multicolor Tuning of Crystallization-Induced Emission and Introduction into the Main Chain of Conjugated Polymers.
Yoshii, Ryousuke; Hirose, Amane; Tanaka, Kazuo; Chujo, Yoshiki; Journal of the American Chemical Society  (2014) 141218122017004–; doi:10.1021/ja510985v

data_4123132
_publ_section_title
;
 Functionalization of Boron Diiminates with Unique Optical Properties:
 Multicolor Tuning of Crystallization-Induced Emission and Introduction
 into the Main Chain of Conjugated Polymers.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              141218122017004
_journal_paper_doi               10.1021/ja510985v
_journal_year                    2014
_chemical_formula_sum            'C27 H20 B F2 N3 O2'
_chemical_formula_weight         467.27
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.4932(19)
_cell_length_b                   14.893(4)
_cell_length_c                   20.397(6)
_cell_measurement_temperature    93(2)
_cell_volume                     2276.2(11)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        'Yadokari-XG (Wakita, 2000)'
_computing_molecular_graphics    'Yadokari-XG (Wakita, 2000)'
_computing_publication_material  'Yadokari-XG (Wakita, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      93(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.1382
_diffrn_reflns_av_sigmaI/netI    0.1020
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            34079
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.9903
_exptl_absorpt_correction_T_min  0.9713
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
    Higashi, T. (1995). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_density_diffrn    1.364
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.127
_refine_diff_density_min         -0.190
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.7(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         5194
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.1320
_refine_ls_R_factor_gt           0.0656
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0522P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1108
_refine_ls_wR_factor_ref         0.1308
_reflns_number_gt                2975
_reflns_number_total             5194
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            M-NO2.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               4123132