5-Chlorospiro[indoline-3,7'-6<i>H</i>,7<i>H</i>,8<i>H</i>-pyrano[3,2-<i>c</i>:5,6-<i>c</i>']di[1]benzopyran]-2,6',8'-trione
Almansour, Abdulrahman I.; Kumar, Raju Suresh; Arumugam, Natarajan; Kanagalaksmi, S.; Suresh, J.; Acta Crystallographica Section E 68 (2012) o1172–; doi:10.1107/S1600536812011932

data_2234158
_publ_section_title
;
 5-Chlorospiro[indoline-3,7'-6<i>H</i>,7<i>H</i>,8<i>H</i>-pyrano[3,2-<i>c</i>:5,6-<i>c</i>']di[1]benzopyran]-2,6',8'-trione
;
_journal_coeditor_code           DS2182
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1172
_journal_paper_doi               10.1107/S1600536812011932
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C26 H12 Cl N O6'
_chemical_formula_moiety         'C26 H12 Cl N O6'
_chemical_formula_sum            'C26 H12 Cl N O6'
_chemical_formula_weight         469.82
_chemical_name_systematic
;
5-Chlorospiro[indoline-3,7'-6<i>H</i>,7<i>H</i>,8<i>H</i>-pyrano[3,2-
<i>c</i>:5,6-<i>c</i>']di[1]benzopyran]-2,6',8'-trione
;
_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                 109.0910(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.1910(3)
_cell_length_b                   12.9931(3)
_cell_length_c                   20.8743(4)
_cell_measurement_reflns_used    2000
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      31
_cell_measurement_theta_min      2
_cell_volume                     4149.83(15)
_computing_cell_refinement       'SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker Kappa APEXII'
_diffrn_measurement_method       '\w and \f'
_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  0.0432
_diffrn_reflns_av_sigmaI/netI    0.0616
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            35770
_diffrn_reflns_theta_full        29.90
_diffrn_reflns_theta_max         29.90
_diffrn_reflns_theta_min         1.88
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.231
_exptl_absorpt_correction_T_max  0.978
_exptl_absorpt_correction_T_min  0.973
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.504
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1920
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.640
_refine_diff_density_min         -0.803
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.161
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     613
_refine_ls_number_reflns         11888
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.161
_refine_ls_R_factor_all          0.1119
_refine_ls_R_factor_gt           0.0790
_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^)+(0.0208P)^2^+11.0869P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1535
_refine_ls_wR_factor_ref         0.1639
_reflns_number_gt                8559
_reflns_number_total             11888
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            ds2182.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2234158
_cod_database_fobs_code          2234158