Single-wing Extended Tribenzotriquinacenes via Bowl-shaped Dehydrobenzene and Isobenzofuran Tribenzotriquinacene Derivatives
Wen-Xue Niu; Er-Qun Yang; Zi-Fa Shi; Xiao-Ping Cao; Dietmar Kuck; Journal of Organic Chemistry 77 (2012) 1422–1434; doi:10.1021/jo2022668

data_4026925
_publ_section_title
;
 Single-wing Extended Tribenzotriquinacenes via Bowl-shaped Dehydrobenzene
 and Isobenzofuran Tribenzotriquinacene Derivatives
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1422
_journal_page_last               1434
_journal_paper_doi               10.1021/jo2022668
_journal_volume                  77
_journal_year                    2012
_chemical_absolute_configuration none
_chemical_formula_sum            'C30 H26'
_chemical_formula_weight         386.51
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_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                   10.927(3)
_cell_length_b                   12.053(3)
_cell_length_c                   16.003(4)
_cell_measurement_reflns_used    3454
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      21.88
_cell_measurement_theta_min      2.55
_cell_volume                     2107.6(9)
_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-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0300
_diffrn_reflns_av_sigmaI/netI    0.0321
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            11517
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.12
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_T_max  0.9824
_exptl_absorpt_correction_T_min  0.9744
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.218
_exptl_crystal_description       block
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.108
_refine_diff_density_min         -0.106
_refine_diff_density_rms         0.029
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -2(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     275
_refine_ls_number_reflns         4141
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0513
_refine_ls_R_factor_gt           0.0369
_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^)+(0.0411P)^2^+0.0934P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0805
_refine_ls_wR_factor_ref         0.0877
_reflns_number_gt                3304
_reflns_number_total             4141
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo2022668_si_002.cif
_cod_data_source_block           p212121
_cod_original_cell_volume        2107.7(9)
_cod_database_code               4026925