4,4'-(Phenylimino)dibenzaldehyde
Wang, Yong-Gang; Tan, Xue-Jie; Xing, Dian-Xiang; Acta Crystallographica Section E 65 (2009) o2192–; doi:10.1107/S1600536809031924

data_2223139
_publ_section_title
;
 4,4'-(Phenylimino)dibenzaldehyde
;
_journal_coeditor_code           JH2093
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2192
_journal_paper_doi               10.1107/S1600536809031924
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C20 H15 N O2'
_chemical_formula_moiety         'C20 H15 N O2'
_chemical_formula_sum            'C20 H15 N O2'
_chemical_formula_weight         301.33
_chemical_melting_point_gt       417
_chemical_melting_point_lt       419
_chemical_name_common
;
4,4'-Diformyltriphenylamine
;
_chemical_name_systematic
;
4,4'-(Phenylimino)dibenzaldehyde
;
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_atom_sites_solution_hydrogens   difmap
_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                   8.836(2)
_cell_length_b                   9.710(2)
_cell_length_c                   18.621(4)
_cell_measurement_reflns_used    378
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.70
_cell_volume                     1597.6(6)
_computing_cell_refinement       'SAINT-Plus (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT-Plus (Bruker, 2000)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\p and \w'
_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  0.0426
_diffrn_reflns_av_sigmaI/netI    0.0372
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            7399
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.19
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.992
_exptl_absorpt_correction_T_min  0.980
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.253
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.285
_refine_diff_density_min         -0.302
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         1412
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0832
_refine_ls_R_factor_gt           0.0643
_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^)+(0.0996P)^2^+0.4228P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1741
_refine_ls_wR_factor_ref         0.1871
_reflns_number_gt                1087
_reflns_number_total             1412
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jh2093.cif
_cod_data_source_block           I
_cod_database_code               2223139
_cod_database_fobs_code          2223139