A monoclinic modification of (4<i>Z</i>)-1-benzyl-4-(2-oxopropylidene)-2,3,4,5-tetrahydro-1<i>H</i>-1,5-benzodiazepin-2-one
Samba, Mohamed; Minnih, Mohamed Said; El Bakri, Youness; Essassi, El Mokhtar; Mague, Joel T.; IUCrData 3 (2018) x180326–; doi:10.1107/S2414314618003267

data_1549006
_publ_section_title
;
 A monoclinic modification of
 (4<i>Z</i>)-1-benzyl-4-(2-oxopropylidene)-2,3,4,5-tetrahydro-1<i>H</i>-1,5-benzodiazepin-2-one
;
_journal_coeditor_code           HB4207
_journal_issue                   2
_journal_name_full               IUCrData
_journal_page_first              x180326
_journal_paper_doi               10.1107/S2414314618003267
_journal_volume                  3
_journal_year                    2018
_chemical_formula_iupac          'C19 H18 N2 O2'
_chemical_formula_moiety         'C19 H18 N2 O2'
_chemical_formula_sum            'C19 H18 N2 O2'
_chemical_formula_weight         306.35
_chemical_name_systematic
(4<i>Z</i>)-1-Benzyl-4-(2-oxopropylidene)-2,3,4,5-tetrahydro-1<i>H</i>-1,5-benzodiazepin-2-one
_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   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                90
_cell_angle_beta                 104.8790(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.9229(5)
_cell_length_b                   18.8922(10)
_cell_length_c                   9.7147(5)
_cell_measurement_reflns_used    9497
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.2185
_cell_measurement_theta_min      2.7665
_cell_volume                     1582.73(15)
_computing_cell_refinement
;
<i>SAINT</i> (Bruker, 2016)
;
_computing_data_collection
;
<i>APEX3</i> (Bruker, 2016)
;
_computing_data_reduction
;
<i>SAINT</i> (Bruker, 2016)
;
_computing_molecular_graphics
;
<i>DIAMOND</i> (Brandenburg & Putz, 2012)
;
_computing_publication_material
;
<i>SHELXTL</i> (Sheldrick, 2008)
;
_computing_structure_refinement
;
<i>SHELXL2016</i> (Sheldrick, 2015<i>b</i>)
;
_computing_structure_solution
;
<i>SHELXT</i> (Sheldrick, 2015<i>a</i>)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0267
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            30264
_diffrn_reflns_theta_full        29.200
_diffrn_reflns_theta_max         29.233
_diffrn_reflns_theta_min         2.156
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.97
_exptl_absorpt_correction_T_min  0.90
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(<i>SADABS</i>; Bruker, 2016)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.425
_exptl_crystal_size_mid          0.337
_exptl_crystal_size_min          0.332
_refine_diff_density_max         0.449
_refine_diff_density_min         -0.276
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     269
_refine_ls_number_reflns         4290
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0476
_refine_ls_R_factor_gt           0.0430
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0723P)^2^+0.4643P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1150
_refine_ls_wR_factor_ref         0.1196
_reflns_number_gt                3840
_reflns_number_total             4290
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            hb4207sup1.cif
_cod_data_source_block           I
_cod_database_code               1549006
_cod_database_fobs_code          1549006
_shelx_estimated_absorpt_t_min   0.965
_shelx_estimated_absorpt_t_max   0.973
_shelx_hkl_checksum              88824
_shelx_res_checksum              93396