3-(3-Chlorophenyl)-1-methyl-3,3a,4,9b-tetrahydro-1<i>H</i>-chromeno[4,3-<i>c</i>]isoxazole-3a-carbonitrile
Swaminathan, K.; Sethusankar, K.; Murugan, G.; Bakthadoss, M.; Acta Crystallographica Section E 67 (2011) o799–; doi:10.1107/S1600536811007495

data_2229810
_publ_section_title
;
 3-(3-Chlorophenyl)-1-methyl-3,3a,4,9b-tetrahydro-1<i>H</i>-chromeno[4,3-<i>c</i>]isoxazole-3a-carbonitrile
;
_journal_coeditor_code           RK2265
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o799
_journal_paper_doi               10.1107/S1600536811007495
_journal_volume                  67
_journal_year                    2011
_chemical_formula_moiety         'C18 H15 Cl N2 O2'
_chemical_formula_sum            'C18 H15 Cl N2 O2'
_chemical_formula_weight         326.77
_chemical_name_systematic
;
3-(3-Chlorophenyl)-1-methyl-3,3a,4,9b-tetrahydro-1<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           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.354(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.0141(4)
_cell_length_b                   9.2358(3)
_cell_length_c                   17.5945(6)
_cell_measurement_reflns_used    4926
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      0.998
_cell_volume                     1589.60(10)
_computing_cell_refinement       '<i>SAINT</i> (Bruker, 2004)'
_computing_data_collection       '<i>APEX2</i> (Bruker, 2004)'
_computing_data_reduction        '<i>SAINT</i> (Bruker, 2004)'
_computing_molecular_graphics    '<i>ORTEP-3</i> (Farrugia, 1997)'
_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      295(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD'
_diffrn_measurement_method       \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  0.0258
_diffrn_reflns_av_sigmaI/netI    0.0247
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            20534
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         30.68
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    0.251
_exptl_absorpt_correction_T_max  0.9515
_exptl_absorpt_correction_T_min  0.9284
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Sheldrick, 1996)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.365
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.606
_refine_diff_density_min         -0.632
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         4926
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0778
_refine_ls_R_factor_gt           0.0512
_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^)+(0.0641P)^2^+0.5250P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1323
_refine_ls_wR_factor_ref         0.1508
_reflns_number_gt                3390
_reflns_number_total             4926
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            rk2265.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2229810
_cod_database_fobs_code          2229810