3-Acetyl-4-furyl-1-methylspiro[pyrrolidine-2,2'-indol]-2'(3'<i>H</i>)-one
A. Subbiahpandi; D. Velmurugan; K. Ravikumar; R. R. Durga; R. Raghunathan; Acta Crystallographica Section E 62 (2006) o1964–o1965; doi:10.1107/S1600536806013353

data_2208835
_publ_section_title
;
 3-Acetyl-4-furyl-1-methylspiro[pyrrolidine-2,2'-indol]-2'(3'<i>H</i>)-one
;
_journal_coeditor_code           CI2049
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1964
_journal_page_last               o1965
_journal_paper_doi               10.1107/S1600536806013353
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C18 H18 N2 O3'
_chemical_formula_moiety         'C18 H18 N2 O3'
_chemical_formula_sum            'C18 H18 N2 O3'
_chemical_formula_weight         310.34
_chemical_name_systematic
;
3-Acetyl-4-furyl-1-methylspiro[pyrrolidine-2.2'-indol]-2'(3'H)-one
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7404(6)
_cell_length_b                   10.0227(7)
_cell_length_c                   20.5622(16)
_cell_measurement_reflns_used    3210
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.90
_cell_measurement_theta_min      2.81
_cell_volume                     1595.2(2)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'ZORTEP (Zsolnai, 1997)'
_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 0.961
_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_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0273
_diffrn_reflns_av_sigmaI/netI    0.0232
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            9691
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.98
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.292
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.248
_refine_diff_density_min         -0.156
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         2125
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0594
_refine_ls_R_factor_gt           0.0489
_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^)+(0.0753P)^2^+0.1621P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1233
_refine_ls_wR_factor_ref         0.1301
_reflns_number_gt                1796
_reflns_number_total             2125
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2049.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Orthorhombic' changed to
'orthorhombic' 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_Hall     'P 2ac 2 ab'
_cod_database_code               2208835
_cod_database_fobs_code          2208835