Diethyl 2,5-diphenylfuran-3,4-dicarboxylate
Hu, Sheng-Li; Le, Yi-Cheng; Huang, Ling; Acta Crystallographica Section E 66 (2010) o3116–; doi:10.1107/S1600536810045241

data_2228560
_publ_section_title
;
 Diethyl 2,5-diphenylfuran-3,4-dicarboxylate
;
_journal_coeditor_code           SJ5048
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3116
_journal_paper_doi               10.1107/S1600536810045241
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C22 H20 O5'
_chemical_formula_moiety         'C22 H20 O5'
_chemical_formula_sum            'C22 H20 O5'
_chemical_formula_weight         364.38
_chemical_name_systematic
;
Diethyl 2,5-diphenylfuran-3,4-dicarboxylate
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.9535(8)
_cell_length_b                   17.0116(12)
_cell_length_c                   18.9219(14)
_cell_measurement_reflns_used    1354
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      16.51
_cell_measurement_theta_min      2.34
_cell_volume                     3847.7(5)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART APEX 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  0.0807
_diffrn_reflns_av_sigmaI/netI    0.0677
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            19957
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.15
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.9929
_exptl_absorpt_correction_T_min  0.9653
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.258
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.248
_refine_diff_density_min         -0.272
_refine_ls_extinction_coef       0.0010(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXTL (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.012
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     268
_refine_ls_number_reflns         3778
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.1305
_refine_ls_R_factor_gt           0.0583
_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^)+(0.0624P)^2^+0.4808P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1303
_refine_ls_wR_factor_ref         0.1604
_reflns_number_gt                1952
_reflns_number_total             3778
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sj5048.cif
_cod_data_source_block           I
_cod_database_code               2228560
_cod_database_fobs_code          2228560