2,7-Bis(2,6-diisopropylphenyl)benzo[<i>lmn</i>][3,8]phenanthroline-1,3,6,8(2<i>H</i>,7<i>H</i>)-tetraone
Wu, Xiang-Xiang; Zhang, Shu-Ling; Ng, Seik Weng; Acta Crystallographica Section E 67 (2011) o3173–; doi:10.1107/S1600536811045065

data_2232585
_publ_section_title
;
 2,7-Bis(2,6-diisopropylphenyl)benzo[<i>lmn</i>][3,8]phenanthroline-1,3,6,8(2<i>H</i>,7<i>H</i>)-tetraone
;
_journal_coeditor_code           BT5694
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3173
_journal_paper_doi               10.1107/S1600536811045065
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C38 H38 N2 O4'
_chemical_formula_moiety         'C38 H38 N2 O4'
_chemical_formula_sum            'C38 H38 N2 O4'
_chemical_formula_weight         586.70
_chemical_name_systematic
;
2,7-Bis(2,6-diisopropylphenyl)benzo[<i>lmn</i>][3,8]phenanthroline-
1,3,6,8(2<i>H</i>,7<i>H</i>)-tetraone
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 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                   15.9987(13)
_cell_length_b                   8.560(2)
_cell_length_c                   22.951(3)
_cell_measurement_reflns_used    8525
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.27
_cell_volume                     3143.1(9)
_computing_cell_refinement       'CrystalClear (Rigaku, 2007)'
_computing_data_collection       'CrystalClear (Rigaku, 2007)'
_computing_data_reduction        'CrystalClear (Rigaku, 2007)'
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_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  0.0476
_diffrn_reflns_av_sigmaI/netI    0.0454
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            11798
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.38
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9904
_exptl_absorpt_correction_T_min  0.9841
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2007)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.240
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.340
_refine_diff_density_min         -0.169
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     405
_refine_ls_number_reflns         3684
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.0631
_refine_ls_R_factor_gt           0.0579
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0655P)^2^+0.7882P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1399
_refine_ls_wR_factor_ref         0.1438
_reflns_number_gt                3401
_reflns_number_total             3684
_reflns_threshold_expression     I>2s\s(I)
_cod_data_source_file            bt5694.cif
_cod_data_source_block           I
_cod_original_cell_volume        3142.9(10)
_cod_database_code               2232585
_cod_database_fobs_code          2232585