Two seven-membered heterocycles with 1,2-diaza ring N atoms: 3,5,7-triphenyl-1,2-diazacyclohepta-1(7),2-diene and 3,7-bis(2-hydroxyphenyl)-5-phenyl-1,2-diazacyclohepta-1(7),2-diene
Shi, Yao-Cheng; Duan, Hong-Yang; Acta Crystallographica Section C 69 (2013) 1177–1180; doi:10.1107/S0108270113023792

data_2019193
_publ_section_title
;
 Two seven-membered heterocycles with 1,2-diaza ring N atoms:
 3,5,7-triphenyl-1,2-diazacyclohepta-1(7),2-diene and
 3,7-bis(2-hydroxyphenyl)-5-phenyl-1,2-diazacyclohepta-1(7),2-diene
;
_journal_coeditor_code           SK3507
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1177
_journal_page_last               1180
_journal_paper_doi               10.1107/S0108270113023792
_journal_volume                  69
_journal_year                    2013
_chemical_formula_iupac          'C23 H20 N2'
_chemical_formula_moiety         'C23 H20 N2'
_chemical_formula_sum            'C23 H20 N2'
_chemical_formula_weight         324.41
_chemical_name_systematic
;
3,5,7-triphenyl-1,2-diazacyclohepta-1(7),2-diene
;
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                80.2989(19)
_cell_angle_beta                 85.094(2)
_cell_angle_gamma                78.1155(19)
_cell_formula_units_Z            4
_cell_length_a                   9.4245(14)
_cell_length_b                   10.6605(16)
_cell_length_c                   18.405(3)
_cell_measurement_reflns_used    5062
_cell_measurement_temperature    296
_cell_measurement_theta_max      27.68
_cell_measurement_theta_min      1.98
_cell_volume                     1781.2(5)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics
;
PLATON (Spek, 2009) and WinGX (Farrugia, 2012)
;
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla <i>et al.</i>, 2005)'
_diffrn_ambient_temperature      296
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area-detector'
_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  0.0301
_diffrn_reflns_av_sigmaI/netI    0.0479
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            15860
_diffrn_reflns_theta_full        27.68
_diffrn_reflns_theta_max         27.68
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.967
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.210
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.175
_refine_diff_density_min         -0.206
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     451
_refine_ls_number_reflns         8141
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0875
_refine_ls_R_factor_gt           0.0490
_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^)+(0.0725P)^2^+0.0625P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1260
_refine_ls_wR_factor_ref         0.1492
_reflns_number_gt                5062
_reflns_number_total             8141
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk3507.cif
_cod_data_source_block           I
_cod_original_cell_volume        1781.1(5)
_cod_database_code               2019193