Crystal structures of 2'-benzoyl-1'-(4-methylphenyl)-1,1',2,2',5',6',7',7a'-octahydrospiro[indole-3,3'-pyrrolizin]-2-one and 2'-(4-bromobenzoyl)-1'-(2-chlorophenyl)-1,1',2,2',5',6',7',7a'-octahydrospiro[indole-3,3'-pyrrolizin]-2-one
Chandrarekha, M.; Srinivasan, N.; Kottala Vijaya, P.; Siva, A.; Krishnakumar, R. V.; Acta Crystallographica Section E 72 (2016) 1637–1641; doi:10.1107/S2056989016016741

data_2241895
_publ_section_title
;
 Crystal structures of
 2'-benzoyl-1'-(4-methylphenyl)-1,1',2,2',5',6',7',7a'-octahydrospiro[indole-3,3'-pyrrolizin]-2-one
 and
 2'-(4-bromobenzoyl)-1'-(2-chlorophenyl)-1,1',2,2',5',6',7',7a'-octahydrospiro[indole-3,3'-pyrrolizin]-2-one
;
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              1637
_journal_page_last               1641
_journal_paper_doi               10.1107/S2056989016016741
_journal_volume                  72
_journal_year                    2016
_chemical_formula_iupac          'C28 H26 N2 O2'
_chemical_formula_moiety         'C28 H26 N2 O2'
_chemical_formula_sum            'C28 H26 N2 O2'
_chemical_formula_weight         422.51
_chemical_name_systematic
2'-Benzoyl-1'-(4-methylphenyl)-1,1',2,2',5',6',7',7a'-octahydrospiro[indole-3,3'-pyrrolizin]-2-one
_space_group_crystal_system      orthorhombic
_space_group_IT_number           43
_space_group_name_Hall           'F 2 -2d'
_space_group_name_H-M_alt        'F d d 2'
_symmetry_space_group_name_Hall  'F 2 -2d'
_symmetry_space_group_name_H-M   'F d d 2'
_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            16
_cell_length_a                   36.030(2)
_cell_length_b                   24.2248(16)
_cell_length_c                   10.1301(6)
_cell_measurement_reflns_used    3325
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      26.8
_cell_measurement_theta_min      2.0
_cell_volume                     8841.7(9)
_computing_cell_refinement
;
SAINT (Bruker, 2009)
;
_computing_data_collection
;
APEX2 (Bruker, 2009)
;
_computing_data_reduction
;
SAINT (Bruker, 2009)
;
_computing_molecular_graphics
;
PLUTON (Spek, 2009), Mercury (Macrae <i>et al.</i>,  2006)
;
_computing_publication_material
;
publCIF (Westrip, 2010)
;
_computing_structure_refinement
;
<i>SHELXL2014/7</i> (Sheldrick, 2015)
;
_computing_structure_solution
;
<i>SHELXS2013/1</i> (Sheldrick, 2008)
;
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1081
_diffrn_reflns_limit_h_max       45
_diffrn_reflns_limit_h_min       -45
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            36903
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.857
_diffrn_reflns_theta_min         2.026
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.98
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker, 2009)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_description       needle
_exptl_crystal_F_000             3584
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.184
_refine_diff_density_min         -0.139
_refine_ls_abs_structure_details
;
 Refined as a perfect inversion twin
;
_refine_ls_abs_structure_Flack   0.5
_refine_ls_extinction_coef       0.00076(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method
;
SHELXL-2014/7 (Sheldrick 2015)
;
_refine_ls_goodness_of_fit_ref   0.984
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         4649
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.984
_refine_ls_R_factor_all          0.0701
_refine_ls_R_factor_gt           0.0413
_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^)+(0.0652P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0967
_refine_ls_wR_factor_ref         0.1126
_reflns_number_gt                3325
_reflns_number_total             4649
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            bg2594sup1.cif
_cod_data_source_block           I
_cod_database_code               2241895
_shelx_hkl_checksum              74780
_shelx_res_checksum              73064