2,3-Diphenyl-2,3-dihydrospiro[1,3-oxazole-5(4<i>H</i>),1'(3'<i>H</i>)-2-benzofuran]-3'-one
Daran, Jean-Claude; Fihi, Rachid; Roussel, Christophe; Laghrib, Naoual; Azrour, Mohamed; Ciamala, Kabula; Vebreld, Jöel; Acta Crystallographica Section E 62 (2006) o329–o331; doi:10.1107/S1600536805042169

data_2207912
_publ_section_title
2,3-Diphenyl-2,3-dihydrospiro[1,3-oxazole-5(4<i>H</i>),1'(3'<i>H</i>)-2-benzofuran]-3'-one
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o329
_journal_page_last               o331
_journal_paper_doi               10.1107/S1600536805042169
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C22 H17 N O3'
_chemical_formula_moiety         'C22 H17 N O3'
_chemical_formula_sum            'C22 H17 N O3'
_chemical_formula_weight         343.37
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.365(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.1476(6)
_cell_length_b                   15.3139(18)
_cell_length_c                   21.653(3)
_cell_measurement_reflns_used    3224
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      3.1
_cell_volume                     1706.4(4)
_computing_cell_refinement
;
CrysAlis RED (Oxford Diffraction, 2003)
;
_computing_data_collection
;
CrysAlis CCD (Oxford Diffraction, 2003)
;
_computing_data_reduction
;
CrysAlis RED
;
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Oxford Diffraction XCALIBUR'
_diffrn_measurement_method       \w-\f
_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  0.0673
_diffrn_reflns_av_sigmaI/netI    0.0567
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            13897
_diffrn_reflns_theta_full        28.20
_diffrn_reflns_theta_max         28.27
_diffrn_reflns_theta_min         3.12
_diffrn_standards_decay_%        0.1
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.967
_exptl_absorpt_correction_T_min  0.932
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(Blessing, 1995)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.337
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.51
_exptl_crystal_size_mid          0.37
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.212
_refine_diff_density_min         -0.216
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.932
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         4219
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.932
_refine_ls_R_factor_all          0.0718
_refine_ls_R_factor_gt           0.0479
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0717P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1144
_refine_ls_wR_factor_ref         0.1273
_reflns_number_gt                2777
_reflns_number_total             4219
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            su6261.cif
_cod_data_source_block           3a
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2207912
_cod_database_fobs_code          2207912