(11a<i>S</i>)-7-Bromo-2,3,5,10,11,11a-hexahydro-1<i>H</i>-pyrrolo[2,1-<i>c</i>][1,4]benzodiazepine-3,11-dione
Ma, Chao; Wang, Zhen-Zhong; Pan, Li; Tian, Yu; Xiao, Wei; Acta Crystallographica Section E 68 (2012) o126–; doi:10.1107/S1600536811052962

data_2233327
_publ_section_title
;
 (11a<i>S</i>)-7-Bromo-2,3,5,10,11,11a-hexahydro-1<i>H</i>-pyrrolo[2,1-<i>c</i>][1,4]benzodiazepine-3,11-dione
;
_journal_coeditor_code           XU5404
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o126
_journal_paper_doi               10.1107/S1600536811052962
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C12 H11 Br N2 O2'
_chemical_formula_moiety         'C12 H11 Br N2 O2'
_chemical_formula_sum            'C12 H11 Br N2 O2'
_chemical_formula_weight         295.14
_chemical_name_systematic
;
(11a<i>S</i>)-7-Bromo-2,3,5,10,11,11a-hexahydro-1<i>H</i>-
pyrrolo[2,1-<i>c</i>][1,4]benzodiazepine-3,11-dione
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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                   4.3880(4)
_cell_length_b                   13.1210(11)
_cell_length_c                   19.8722(16)
_cell_measurement_reflns_used    3967
_cell_measurement_temperature    185(2)
_cell_measurement_theta_max      25.96
_cell_measurement_theta_min      2.57
_cell_volume                     1144.14(17)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'SMART (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      185(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX CCD area-detector'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0206
_diffrn_reflns_av_sigmaI/netI    0.0380
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            7012
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    3.583
_exptl_absorpt_correction_T_max  0.7875
_exptl_absorpt_correction_T_min  0.5061
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2001)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.713
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.486
_refine_diff_density_min         -0.212
_refine_ls_abs_structure_details 'Flack (1983), 884 Friedel pairs'
_refine_ls_abs_structure_Flack   -0.007(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2244
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0251
_refine_ls_R_factor_gt           0.0222
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0236P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0556
_refine_ls_wR_factor_ref         0.0567
_reflns_number_gt                2074
_reflns_number_total             2244
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            xu5404.cif
_cod_data_source_block           I
_cod_database_code               2233327
_cod_database_fobs_code          2233327