5''-Benzylidene-1',1''-dimethyl-4'-phenylacenapthene-2-spiro-2'-pyrrolidine-3'-spiro-3''-piperidine-1,4''-dione
P. G. Aravindan; S. Selvanayagam; D. Velmurugan; K. Ravikumar; Gowri Sridhar; R. Raghunathan; Acta Crystallographica Section E 60 (2004) o2149–o2151; doi:10.1107/S160053680402690X

data_2204592
_publ_section_title
5''-Benzylidene-1',1''-dimethyl-4'-phenylacenapthene-2-spiro-2'-pyrrolidine-3'-spiro-3''-piperidine-1,4''-dione
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2149
_journal_page_last               o2151
_journal_paper_doi               10.1107/S160053680402690X
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C34 H30 N2 O2'
_chemical_formula_moiety         'C34 H30 N2 O2'
_chemical_formula_sum            'C34 H30 N2 O2'
_chemical_formula_weight         498.60
_chemical_name_systematic
;
5''-Benzylidene-1',1''-dimethyl-4'-phenyl-acenapthene-2-spiro-2'-
pyrrolidine-3'-spiro-3''-piperidine-1,4''-dione
;
_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                 116.5890(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.66090(10)
_cell_length_b                   10.4558(9)
_cell_length_c                   17.4457(2)
_cell_measurement_reflns_used    2836
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      25.36
_cell_measurement_theta_min      2.34
_cell_volume                     2717.7(2)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT
_computing_molecular_graphics
;
ZORTEP (Zsolnai, 1997) and 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      273(2)
_diffrn_measured_fraction_theta_full 0.932
_diffrn_measured_fraction_theta_max 0.887
_diffrn_measurement_device_type
;
Bruker SMART APEX
;
_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  0.0347
_diffrn_reflns_av_sigmaI/netI    0.0466
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            16066
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.37
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.219
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.284
_refine_diff_density_min         -0.173
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         6130
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.1070
_refine_ls_R_factor_gt           0.0702
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0702P)^2^+0.4469P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1500
_refine_ls_wR_factor_ref         0.1672
_reflns_number_gt                4068
_reflns_number_total             6130
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            wn6297.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               2204592
_cod_database_fobs_code          2204592