Putting Group 13 Elements onto Perylenes: Highly Fluorescent N-B-N- and N-Al-N-substituted Polycyclic Aromatics
Till Riehm; Hubert Wadepohl; Lutz H. Gade; Inorganic Chemistry 47 (2008) 11467–11469; doi:10.1021/ic8017453

data_4306819
_publ_section_title
;
Putting Group 13 Elements onto Perylenes: Highly Fluorescent N-B-N- and
N-Al-N-substituted Polycyclic Aromatics
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11467
_journal_page_last               11469
_journal_paper_doi               10.1021/ic8017453
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C32 H46 B2 N4 Si4'
_chemical_formula_weight         620.71
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_block_code                ga_tr25
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.396(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.8710(7)
_cell_length_b                   19.769(2)
_cell_length_c                   12.6216(13)
_cell_measurement_temperature    100(2)
_cell_volume                     1691.4(3)
_computing_cell_refinement       'SAINT (Bruker AXS, 1997-2008)'
_computing_data_collection       'SMART (Bruker AXS, 1997-2003)'
_computing_data_reduction        'SAINT (Bruker AXS, 1997-2008)'
_computing_molecular_graphics    'PLATON (Spek, 1980-2008)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'DIRDIF (Beurskens, 1999-2007)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector (Bruker AXS Smart 1000)'
_diffrn_measurement_method       '\f- and \w-scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0580
_diffrn_reflns_av_sigmaI/netI    0.0313
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            35988
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.93
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.204
_exptl_absorpt_correction_T_max  0.7464
_exptl_absorpt_correction_T_min  0.6260
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker AXS, 2004-2008)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.219
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             664
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.697
_refine_diff_density_min         -0.287
_refine_diff_density_rms         0.084
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     282
_refine_ls_number_reflns         4195
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0694
_refine_ls_R_factor_gt           0.0443
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0631P)^2^+1.4637P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1083
_refine_ls_wR_factor_ref         0.1333
_reflns_number_gt                3205
_reflns_number_total             4195
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic8017453_si_001_1.cif
_cod_data_source_block           compound_2
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4306819
_audit_block_refno               719