3-Benzylidene-1'-methyl-4'-phenyldispiro[cyclopentane-1,3'-pyrrolidine-2',1''-acenaphthene]-2,2''-dione
Varadharajan, E.; Ramkumar, V.; Scholastica, M. V. B.; Augustine, Arul Prasad T.; IUCrData 2 (2017) x170581–; doi:10.1107/S2414314617005818

data_1546634
_publ_section_title
;
 3-Benzylidene-1'-methyl-4'-phenyldispiro[cyclopentane-1,3'-pyrrolidine-2',1''-acenaphthene]-2,2''-dione
;
_journal_coeditor_code           HB4132
_journal_issue                   4
_journal_name_full               IUCrData
_journal_page_first              x170581
_journal_paper_doi               10.1107/S2414314617005818
_journal_volume                  2
_journal_year                    2017
_chemical_formula_iupac          'C33 H27 N O2'
_chemical_formula_moiety         'C33 H27 N O2'
_chemical_formula_sum            'C33 H27 N O2'
_chemical_formula_weight         469.55
_chemical_name_systematic
3-Benzylidene-1'-methyl-4'-phenyldispiro[cyclopentane-1,3'-pyrrolidine-2',1''-acenaphthene]-2,2''-dione
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.5297(8)
_cell_length_b                   12.1853(6)
_cell_length_c                   12.0781(4)
_cell_measurement_reflns_used    4328
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.22
_cell_measurement_theta_min      2.32
_cell_volume                     2579.94(19)
_computing_cell_refinement
;
SAINT (Bruker, 2004)
;
_computing_data_collection
;
APEX2 (Bruker, 2004)
;
_computing_data_reduction
;
SAINT (Bruker, 2004)
;
_computing_molecular_graphics
;
SHELXTL (Sheldrick, 2008)
;
_computing_publication_material
;
SHELXTL (Sheldrick, 2008)
;
_computing_structure_refinement
;
SHELXL2014 (Sheldrick, 2015)
;
_computing_structure_solution
;
SHELXS97 (Sheldrick, 2008)
;
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0186
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            10708
_diffrn_reflns_theta_full        24.999
_diffrn_reflns_theta_max         24.999
_diffrn_reflns_theta_min         2.035
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.982
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker, 2004)
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.209
_exptl_crystal_description       block
_exptl_crystal_F_000             992
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.150
_refine_diff_density_max         0.108
_refine_diff_density_min         -0.123
_refine_ls_extinction_coef       0.0048(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method
;
SHELXL2014 (Sheldrick, 2015)
;
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     327
_refine_ls_number_reflns         3713
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0437
_refine_ls_R_factor_gt           0.0340
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0381P)^2^+0.3666P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0782
_refine_ls_wR_factor_ref         0.0843
_reflns_number_gt                3171
_reflns_number_total             3713
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            hb4132sup1.cif
_cod_data_source_block           I
_cod_database_code               1546634
_cod_database_fobs_code          1546634
_shelx_estimated_absorpt_t_min   0.982
_shelx_estimated_absorpt_t_max   0.989
_shelx_hkl_checksum              70059
_shelx_res_checksum              7420