Triphenylene Analogues with B2N2C2 Cores: Synthesis, Structure, Redox Behavior, and Photophysical Properties
Cory A. Jaska; David J. H. Emslie; Michael J. D. Bosdet; Warren E. Piers; Ted S. Sorensen; Masood Parvez; Journal of the American Chemical Society 128 (2006) 10885–10896; doi:10.1021/ja063519p

data_4110824
_publ_contact_author
;
    Masood Parvez
    Department of Chemistry
    University of Calgary
    2500 University Drive N.W.
    Calgary, Alberta, Canada T2N 1N4  
;
_publ_contact_author_email       ' parvez@ucalgary.ca '
_publ_contact_author_fax         ' (403)289-9488 '
_publ_contact_author_phone       ' (403)220-5348 '
_publ_section_title
;
 Triphenylene Analogues with B2N2C2 Cores: Synthesis, Structure, Redox
 Behavior, and Photophysical Properties
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10885
_journal_page_last               10896
_journal_paper_doi               10.1021/ja063519p
_journal_volume                  128
_journal_year                    2006
_chemical_formula_sum            'C20 H24 B2 N2'
_chemical_formula_weight         314.03
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 92.972(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.889(3)
_cell_length_b                   13.432(3)
_cell_length_c                   13.471(5)
_cell_measurement_reflns_used    7812
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.4
_cell_volume                     1786.9(9)
_computing_cell_refinement       'HKL DENZO (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Hooft, 1998)'
_computing_data_reduction        'SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SAPI91 (Fan, 1991)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\w and \f'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0256
_diffrn_reflns_av_sigmaI/netI    0.0394
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            7812
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         3.39
_exptl_absorpt_coefficient_mu    0.067
_exptl_absorpt_correction_T_max  0.9947
_exptl_absorpt_correction_T_min  0.9921
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   ' SORTAV: (Blessing, 1997) '
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.167
_exptl_crystal_description       prism
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.221
_refine_diff_density_min         -0.189
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         4062
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0783
_refine_ls_R_factor_gt           0.0511
_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^)+(0.0680P)^2^+0.5100P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1296
_refine_ls_wR_factor_ref         0.1481
_reflns_number_gt                2877
_reflns_number_total             4062
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja063519psi20060627_120615.cif
_cod_data_source_block           Compound_I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4110824