4',5a'-Diphenyl-10-oxospiro[phenanthrene[9,2']oxeto[5,4-<i>b</i>]oxazole]
Lei Wang; Anwar Usman; Hoong-Kun Fun; Yan Zhang; Jian-Hua Xu; Acta Crystallographica Section E 59 (2003) o721–o722; doi:10.1107/S1600536803008857

data_2201943
_publ_section_title
;
 4',5a'-Diphenyl-10-oxospiro[phenanthrene[9,2']oxeto[5,4-<i>b</i>]oxazole]
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o721
_journal_page_last               o722
_journal_paper_doi               10.1107/S1600536803008857
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C29 H19 N O3'
_chemical_formula_moiety         'C29 H19 N O3'
_chemical_formula_sum            'C29 H19 N O3'
_chemical_formula_weight         429.45
_chemical_melting_point          466.0(10)
_chemical_name_systematic
;
4',5a'-Diphenyl-10-oxospiro[phenanthrene[9,2']oxeto[5,4-b]oxazole]
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                74.1480(10)
_cell_angle_beta                 89.7360(10)
_cell_angle_gamma                72.3440(10)
_cell_formula_units_Z            2
_cell_length_a                   8.3475(4)
_cell_length_b                   11.8671(6)
_cell_length_c                   11.9106(6)
_cell_measurement_reflns_used    4070
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.31
_cell_measurement_theta_min      2.57
_cell_volume                     1077.59(9)
_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, 2003)'
_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 0.969
_diffrn_measured_fraction_theta_max 0.969
_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  0.0163
_diffrn_reflns_av_sigmaI/netI    0.0227
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5771
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.57
_diffrn_standards_decay_%        negligible
_diffrn_standards_interval_count none
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.324
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.204
_refine_diff_density_min         -0.191
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     374
_refine_ls_number_reflns         4110
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0498
_refine_ls_R_factor_gt           0.0420
_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^)+(0.0554P)^2^+0.1949P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1075
_refine_ls_wR_factor_ref         0.1168
_reflns_number_gt                3482
_reflns_number_total             4110
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cv6186.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 'Triclinic' changed to 'triclinic'
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_database_code               2201943
_cod_database_fobs_code          2201943