2-(Naphthalen-1-yl)-4-(naphthalen-1-ylmethylidene)-1,3-oxazol-5(4<i>H</i>)-one
Gündoğdu, Cevher; Alp, Serap; Ergün, Yavuz; Tercan, Barış; Hökelek, Tuncer; Acta Crystallographica Section E 67 (2011) o1258–o1259; doi:10.1107/S1600536811015340

data_2230192
_publ_section_title
;
 2-(Naphthalen-1-yl)-4-(naphthalen-1-ylmethylidene)-1,3-oxazol-5(4<i>H</i>)-one
;
_journal_coeditor_code           XU5196
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1258
_journal_page_last               o1259
_journal_paper_doi               10.1107/S1600536811015340
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C24 H15 N O2'
_chemical_formula_moiety         'C24 H15 N O2'
_chemical_formula_sum            'C24 H15 N O2'
_chemical_formula_weight         349.37
_chemical_name_systematic
;
2-(Naphthalen-1-yl)-4-(naphthalen-1-ylmethylidene)-1,3-oxazol-5(4<i>H</i>)-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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 107.212(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.6927(5)
_cell_length_b                   6.0646(2)
_cell_length_c                   15.6262(5)
_cell_measurement_reflns_used    3844
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.78
_cell_measurement_theta_min      2.28
_cell_volume                     1692.11(9)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics
'ORTEP-3 for Windows (Farrugia, 1997) and PLATON (Spek, 2009)'
_computing_publication_material
'WinGX (Farrugia, 1999) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD area-detector'
_diffrn_measurement_method       '\f and \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  0.0609
_diffrn_reflns_av_sigmaI/netI    0.0432
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            29257
_diffrn_reflns_theta_full        28.45
_diffrn_reflns_theta_max         28.45
_diffrn_reflns_theta_min         1.14
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.9861
_exptl_absorpt_correction_T_min  0.9642
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.257
_refine_diff_density_min         -0.254
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         4260
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0780
_refine_ls_R_factor_gt           0.0439
_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^)+(0.0712P)^2^+0.0940P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1098
_refine_ls_wR_factor_ref         0.1359
_reflns_number_gt                2911
_reflns_number_total             4260
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            xu5196.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2230192
_cod_database_fobs_code          2230192