3-(4-Methoxyphenyl)-1',6,6-trimethyl-4,5,6,7-tetrahydrospiro[1-benzofuran-2,3'(3<i>H</i>,2'<i>H</i>)-1<i>H</i>-indole]-2',4-dione
D. Gayathri; D. Velmurugan; K. Ravikumar; G. Savitha; P. T. Perumal; Acta Crystallographica Section E 63 (2007) o1034–o1036; doi:10.1107/S1600536807003261

data_2212103
_publ_section_title
3-(4-Methoxyphenyl)-1',6,6-trimethyl-4,5,6,7-tetrahydrospiro[1-benzofuran-2,3'(3<i>H</i>,2'<i>H</i>)-1<i>H</i>-indole]-2',4-dione
_journal_coeditor_code           CI2276
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1034
_journal_page_last               o1036
_journal_paper_doi               10.1107/S1600536807003261
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C24 H22 Cl N O3'
_chemical_formula_moiety         'C24 H22 Cl N O3'
_chemical_formula_sum            'C24 H22 Cl N O3'
_chemical_formula_weight         407.88
_chemical_name_systematic
;
3-(4-Methoxyphenyl)-1',6,6-trimethyl-4,5,6,7-tetrahydrospiro[1-benzofuran-
2,3'(3H,2'H)-1H-indole]-2',4-dione
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 100.8510(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.9638(8)
_cell_length_b                   13.8490(8)
_cell_length_c                   22.1754(13)
_cell_measurement_reflns_used    4725
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.74
_cell_volume                     4211.7(4)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL97 and PARST (Nardelli, 1995)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device       'Bruker SMART APEX CCD area-detector'
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area-detector'
_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  0.0218
_diffrn_reflns_av_sigmaI/netI    0.0179
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            47537
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.74
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.206
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1712
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.277
_refine_diff_density_min         -0.267
_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     529
_refine_ls_number_reflns         9908
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0594
_refine_ls_R_factor_gt           0.0468
_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^)+(0.0754P)^2^+0.8149P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1280
_refine_ls_wR_factor_ref         0.1380
_reflns_number_gt                7812
_reflns_number_total             9908
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2276.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2212103
_cod_database_fobs_code          2212103