Fluorescent benzene-centered mono-, bis- and tris-triazapentadiene-boron complexes.
Glotzbach, Christoph; Gödeke, Nadine; Fröhlich, Roland; Daniliuc, Constantin-Gabriel; Saito, Shohei; Yamaguchi, Shigehiro; Würthwein, Ernst-Ulrich; Dalton transactions (Cambridge, England : 2003) 44 (2015) 9659–9671; doi:10.1039/c5dt00908a

data_7035089
_publ_section_title
;
 Fluorescent benzene-centered mono-, bis- and tris-triazapentadiene-boron
 complexes.
;
_journal_issue                   20
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9659
_journal_page_last               9671
_journal_paper_doi               10.1039/c5dt00908a
_journal_volume                  44
_journal_year                    2015
_chemical_formula_sum            'C44 H42 B N3 O'
_chemical_formula_weight         639.62
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-09-17 deposited with the CCDC.
2015-04-16 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 100.091(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   41.2640(6)
_cell_length_b                   10.5501(2)
_cell_length_c                   16.9777(3)
_cell_measurement_reflns_used    7993
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.88
_cell_measurement_theta_min      4.08
_cell_volume                     7276.7(2)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (BrukerAXS, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Nonius KappaCCD AEXPII'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Montel mirror'
_diffrn_radiation_source         'rotating anode Nonius FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0533
_diffrn_reflns_av_sigmaI/netI    0.0608
_diffrn_reflns_limit_h_max       51
_diffrn_reflns_limit_h_min       -51
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            26763
_diffrn_reflns_theta_full        26.30
_diffrn_reflns_theta_max         26.30
_diffrn_reflns_theta_min         4.09
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_T_max  0.9986
_exptl_absorpt_correction_T_min  0.9762
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.168
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2720
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.246
_refine_diff_density_min         -0.194
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     448
_refine_ls_number_reflns         7286
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.1210
_refine_ls_R_factor_gt           0.0767
_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^)+(0.0349P)^2^+15.8998P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1542
_refine_ls_wR_factor_ref         0.1827
_reflns_number_gt                4708
_reflns_number_total             7286
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt00908a2.cif
_cod_data_source_block           wue5386
_cod_depositor_comments
'Adding full bibliography for 7035088--7035091.cif.'
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7035089