3-Benzoyl-1,5-dimethyl-1<i>H</i>-1,5-benzodiazepine-2,4(3<i>H</i>,5<i>H</i>)-dione
Dardouri, Rachida; Rodi, Youssef Kandri; Ladeira, Sonia; Essassi, El Mokhtar; Ng, Seik Weng; Acta Crystallographica Section E 67 (2011) o849–; doi:10.1107/S160053681100866X

data_2229593
_publ_section_title
;
 3-Benzoyl-1,5-dimethyl-1<i>H</i>-1,5-benzodiazepine-2,4(3<i>H</i>,5<i>H</i>)-dione
;
_journal_coeditor_code           BT5487
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o849
_journal_paper_doi               10.1107/S160053681100866X
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C18 H16 N2 O3'
_chemical_formula_moiety         'C18 H16 N2 O3'
_chemical_formula_sum            'C18 H16 N2 O3'
_chemical_formula_weight         308.33
_chemical_name_systematic
;
3-Benzoyl-1,5-dimethyl-1<i>H</i>-1,5-benzodiazepine-2,4(3<i>H</i>,5<i>H</i>)-\
dione
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 105.6140(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.78270(10)
_cell_length_b                   23.7595(4)
_cell_length_c                   8.6315(2)
_cell_measurement_reflns_used    4206
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      28.26
_cell_measurement_theta_min      2.59
_cell_volume                     1537.18(5)
_computing_cell_refinement       'SAINT (Bruker, 2008)'
_computing_data_collection       'APEX2 (Bruker, 2008)'
_computing_data_reduction        'SAINT (Bruker, 2008)'
_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      295(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker X8 APEXII'
_diffrn_measurement_method       '\f 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  0.0376
_diffrn_reflns_av_sigmaI/netI    0.0400
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            18802
_diffrn_reflns_theta_full        30.49
_diffrn_reflns_theta_max         30.49
_diffrn_reflns_theta_min         2.60
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.332
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.314
_refine_diff_density_min         -0.223
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         4592
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0812
_refine_ls_R_factor_gt           0.0469
_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^)+(0.0632P)^2^+0.2366P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1110
_refine_ls_wR_factor_ref         0.1277
_reflns_number_gt                3089
_reflns_number_total             4592
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt5487.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2229593
_cod_database_fobs_code          2229593