5-Methyl-5bβ,6,7,8,9,11aα-hexahydro-5<i>H</i>-indolizino[1,2-<i>b</i>]indol-11(5aα<i>H</i>)-one
Badenock, Jeanese C.; Fraser, Heidi L.; Gribble, Gordon W.; Jasinski, Jerry P.; Acta Crystallographica Section E 63 (2007) o349–o350; doi:10.1107/S1600536806053669

data_2211960
_publ_section_title
5-Methyl-5b\b,6,7,8,9,11a\a-hexahydro-5<i>H</i>-indolizino[1,2-<i>b</i>]indol-11(5a\a<i>H</i>)-one
_journal_coeditor_code           TK2112
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o349
_journal_page_last               o350
_journal_paper_doi               10.1107/S1600536806053669
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C15 H18 N2 O'
_chemical_formula_moiety         'C15 H18 N2 O'
_chemical_formula_sum            'C15 H18 N2 O'
_chemical_formula_weight         242.31
_chemical_name_systematic
;
5-Methyl-5b\b,6,7,8,9,11a\a-hexahydro-5H-indolizino[1,2-b]indol-11(5a\aH)-one
;
_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
_cell_angle_alpha                90
_cell_angle_beta                 94.53(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.008(2)
_cell_length_b                   17.862(4)
_cell_length_c                   8.888(3)
_cell_measurement_reflns_used    20
_cell_measurement_temperature    296
_cell_measurement_theta_max      9.3
_cell_measurement_theta_min      6.2
_cell_volume                     1267.4(6)
_computing_cell_refinement       'MSC/AFC Diffractometer Control Software'
_computing_data_collection
;
MSC/AFC Diffractometer Control Software
(Molecular Structure Corporation, 1994)
;
_computing_data_reduction        'CrystalStructure (Rigaku/MSC, 2005'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  CrystalStructure
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare <i>et al.</i>,  1994)'
_diffrn_ambient_temperature      296
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku AFC-6S'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.000
_diffrn_reflns_av_sigmaI/netI    0.148
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            2912
_diffrn_reflns_theta_full        26.3
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         2.3
_diffrn_standards_decay_%        0.55
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.976
_exptl_absorpt_correction_T_min  0.961
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>,  1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.30
_refine_diff_density_min         -0.23
_refine_ls_extinction_coef       0.007(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.03
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         2912
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.04
_refine_ls_R_factor_all          0.250
_refine_ls_R_factor_gt           0.056
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1076P)^2^+0.3217P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.171
_refine_ls_wR_factor_ref         0.239
_reflns_number_gt                877
_reflns_number_total             2912
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            tk2112.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2211960
_cod_database_fobs_code          2211960