Crystal structure of <i>N</i>,<i>N</i>'-dibenzylpyromellitic diimide
Im, Hansu; Moon, Suk-Hee; Kim, Tae Ho; Park, Ki-Min; Acta Crystallographica Section E 72 (2016) 1809–1811; doi:10.1107/S2056989016017710

data_2241945
_publ_section_title
;
 Crystal structure of <i>N</i>,<i>N</i>'-dibenzylpyromellitic diimide
;
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              1809
_journal_page_last               1811
_journal_paper_doi               10.1107/S2056989016017710
_journal_volume                  72
_journal_year                    2016
_chemical_formula_iupac          'C24 H16 N2 O4'
_chemical_formula_moiety         'C24 H16 N2 O4'
_chemical_formula_sum            'C24 H16 N2 O4'
_chemical_formula_weight         396.39
_chemical_name_common
;
<i>N</i>,<i>N</i>'-Dibenzylpyromellitic diimide
;
_chemical_name_systematic
;
2,6-Dibenzylpyrrolo[3,4-<i>f</i>]isoindole-1,3,5,7(2<i>H</i>,6<i>H</i>)-\
tetraone
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90.461(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.1500(5)
_cell_length_b                   4.7475(3)
_cell_length_c                   31.002(2)
_cell_measurement_reflns_used    874
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      24.82
_cell_measurement_theta_min      2.63
_cell_volume                     905.14(11)
_computing_cell_refinement
;
SAINT (Bruker, 2013)
;
_computing_data_collection
;
APEX2 (Bruker, 2013)
;
_computing_data_reduction
;
SAINT (Bruker, 2013)
;
_computing_molecular_graphics
;
DIAMOND (Brandenburg, 2010)
;
_computing_publication_material
;
SHELXTL (Sheldrick, 2008)
;
_computing_structure_refinement
;
SHELXL2014 (Sheldrick, 2015)
;
_computing_structure_solution
;
SHELXS97 (Sheldrick 2008)
;
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0343
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -2
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            4593
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.495
_diffrn_reflns_theta_min         1.314
_exptl_absorpt_coefficient_mu    0.101
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6611
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker 2013)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.454
_exptl_crystal_description       needle
_exptl_crystal_F_000             412
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.254
_refine_diff_density_min         -0.215
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2016
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0692
_refine_ls_R_factor_gt           0.0478
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0529P)^2^+0.0890P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1087
_refine_ls_wR_factor_ref         0.1194
_reflns_number_gt                1444
_reflns_number_total             2016
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            sj5513sup1.cif
_cod_data_source_block           I
_cod_database_code               2241945
_cod_database_fobs_code          2241945
_shelx_estimated_absorpt_t_min   0.951
_shelx_estimated_absorpt_t_max   0.998
_shelx_hkl_checksum              28530
_shelx_res_checksum              71708