Ethyl 2-(7-oxo-3,5-diphenyl-1,4-diazepan-2-yl)acetate
Jagadeesan, G.; Sethusankar, K.; Selvakumar, P.; Thennarasu, S.; Mandal, A. B.; Acta Crystallographica Section E 68 (2012) o1034–; doi:10.1107/S160053681200757X

data_2234355
_publ_section_title
;
 Ethyl 2-(7-oxo-3,5-diphenyl-1,4-diazepan-2-yl)acetate
;
_journal_coeditor_code           PV2512
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1034
_journal_paper_doi               10.1107/S160053681200757X
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C21 H24 N2 O3'
_chemical_formula_moiety         'C21 H24 N2 O3'
_chemical_formula_sum            'C21 H24 N2 O3'
_chemical_formula_weight         352.42
_chemical_name_systematic
;
Ethyl 2-(7-oxo-3,5-diphenyl-1,4-diazepan-2-yl)acetate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 104.365(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3721(19)
_cell_length_b                   20.666(4)
_cell_length_c                   9.1954(18)
_cell_measurement_reflns_used    5000
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.84
_cell_measurement_theta_min      2.03
_cell_volume                     1909.4(6)
_computing_cell_refinement       'SAINT (Bruker, 2008)'
_computing_data_collection       'APEX2 (Bruker, 2008)'
_computing_data_reduction        'SAINT (Bruker, 2008)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material
'SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD'
_diffrn_measurement_method       '\w and \f scan'
_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  0.0291
_diffrn_reflns_av_sigmaI/netI    0.0269
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            22045
_diffrn_reflns_theta_full        28.84
_diffrn_reflns_theta_max         28.84
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.9797
_exptl_absorpt_correction_T_min  0.9757
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.226
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.311
_refine_diff_density_min         -0.258
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     259
_refine_ls_number_reflns         5000
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0876
_refine_ls_R_factor_gt           0.0536
_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^)+(0.0669P)^2^+0.6968P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1362
_refine_ls_wR_factor_ref         0.1628
_reflns_number_gt                3284
_reflns_number_total             5000
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            pv2512.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2234355
_cod_database_fobs_code          2234355