8-Bromo-3-phenyl-3a,4-dihydro-3<i>H</i>-chromeno[4,3-<i>c</i>]isoxazole-3a-carbonitrile
Suresh, G.; Srinivasan, J.; Bakthadoss, M.; Aravindhan, S.; Acta Crystallographica Section E 69 (2013) o312–; doi:10.1107/S1600536813002511

data_2237405
_publ_section_title
;
 8-Bromo-3-phenyl-3a,4-dihydro-3<i>H</i>-chromeno[4,3-<i>c</i>]isoxazole-3a-carbonitrile
;
_journal_coeditor_code           SU2547
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o312
_journal_paper_doi               10.1107/S1600536813002511
_journal_volume                  69
_journal_year                    2013
_chemical_formula_iupac          'C17 H11 Br N2 O2'
_chemical_formula_moiety         'C17 H11 Br N2 O2'
_chemical_formula_sum            'C17 H11 Br N2 O2'
_chemical_formula_weight         355.19
_chemical_name_systematic
8-Bromo-3-phenyl-3a,4-dihydro-3<i>H</i>-chromeno[4,3-<i>c</i>]isoxazole-3a-carbonitrile
_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                 99.953(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.1034(8)
_cell_length_b                   6.0676(3)
_cell_length_c                   16.0865(10)
_cell_measurement_reflns_used    3175
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      28.57
_cell_measurement_theta_min      2.57
_cell_volume                     1452.00(14)
_computing_cell_refinement       '<i>SAINT</i> (Bruker, 2008)'
_computing_data_collection       '<i>APEX2</i> (Bruker, 2008)'
_computing_data_reduction        '<i>SAINT</i> (Bruker, 2008)'
_computing_molecular_graphics
'<i>ORTEP-3 for Windows</i> (Farrugia, 2012) and <i>PLATON</i> (Spek, 2009)'
_computing_publication_material
'<i>SHELXL97</i> (Sheldrick, 2008) and <i>PLATON</i> (Spek, 2009)'
_computing_structure_refinement  '<i>SHELXL97</i> (Sheldrick, 2008)'
_computing_structure_solution    '<i>SHELXS97</i> (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.857
_diffrn_measurement_device_type  'Bruker APEXII CCD area-detector'
_diffrn_measurement_method       '\w and \f 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  0.0309
_diffrn_reflns_av_sigmaI/netI    0.0428
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            9947
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.57
_diffrn_reflns_theta_min         2.57
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.839
_exptl_absorpt_correction_T_max  0.6005
_exptl_absorpt_correction_T_min  0.4365
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.625
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.682
_refine_diff_density_min         -0.957
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         3175
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0849
_refine_ls_R_factor_gt           0.0474
_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^)+(0.0261P)^2^+2.1957P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0882
_refine_ls_wR_factor_ref         0.1023
_reflns_number_gt                2214
_reflns_number_total             3175
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            su2547.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2237405
_cod_database_fobs_code          2237405