1-Acetyl-1,2-dihydro-2-oxotrispiro[indole-3,2'-oxetane-3',1''; 4',1'''-dicyclopropane]
Anwar Usman; Ibrahim Abdul Razak; Hoong-Kun Fun; Suchada Chantrapromma; Yan Zhang; Jian-Hua Xu; Acta Crystallographica Section E 58 (2002) o1055–o1056; doi:10.1107/S1600536802015672

data_2201718
_publ_section_title
;
 1-Acetyl-1,2-dihydro-2-oxotrispiro[indole-3,2'-oxetane-3',1'';
 4',1'''-dicyclopropane]
;
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1055
_journal_page_last               o1056
_journal_paper_doi               10.1107/S1600536802015672
_journal_volume                  58
_journal_year                    2002
_chemical_formula_iupac          'C16 H15 N O3'
_chemical_formula_moiety         'C16 H15 N O3'
_chemical_formula_sum            'C16 H15 N O3'
_chemical_formula_weight         269.29
_chemical_melting_point          410.0(10)
_chemical_name_systematic
;
1-Acetyl-1,2-dihydro-2-oxotrispiro[indole-3,2'-oxetane-3',1'';4',1'''-
dicyclopropane]
;
_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                 90.3290(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.45840(10)
_cell_length_b                   9.2661(2)
_cell_length_c                   13.7923(3)
_cell_measurement_reflns_used    5107
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      2.6
_cell_volume                     1336.57(4)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        'SAINT and SADABS (Sheldrick, 1996)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material
;
SHELXTL, PARST (Nardelli, 1995) and PLATON (Spek, 1990)
;
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Siemens SMART CCD area-detector'
_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  0.116
_diffrn_reflns_av_sigmaI/netI    0.141
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            6266
_diffrn_reflns_theta_full        25.0
_diffrn_reflns_theta_max         25.0
_diffrn_reflns_theta_min         2.6
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.09
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.338
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.30
_refine_diff_density_min         -0.40
_refine_ls_extinction_coef       0.130(16)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXTL
_refine_ls_goodness_of_fit_ref   0.99
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     183
_refine_ls_number_reflns         2346
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.99
_refine_ls_R_factor_all          0.091
_refine_ls_R_factor_gt           0.062
_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^)+(0.0865P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.156
_refine_ls_wR_factor_ref         0.176
_reflns_number_gt                1656
_reflns_number_total             2346
_reflns_threshold_expression     I>2\s(I)'
_cod_data_source_file            ya6128.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      'P 21/c'
_cod_database_code               2201718