1-(3,4-Dihydroxyphenyl)-2-(4-fluorophenyl)ethanone
Song, Xiao-Qing; Acta Crystallographica Section E 64 (2008) o2282–; doi:10.1107/S1600536808035733

data_2220183
_publ_section_title
;
 1-(3,4-Dihydroxyphenyl)-2-(4-fluorophenyl)ethanone
;
_journal_coeditor_code           HB2831
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2282
_journal_paper_doi               10.1107/S1600536808035733
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C14 H11 F O3'
_chemical_formula_moiety         'C14 H11 F O3'
_chemical_formula_sum            'C14 H11 F O3'
_chemical_formula_weight         246.23
_chemical_name_systematic
;
1-(3,4-Dihydroxyphenyl)-2-(4-fluorophenyl)ethanone
;
_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                 105.33(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.1640(16)
_cell_length_b                   5.9120(12)
_cell_length_c                   24.946(6)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12
_cell_measurement_theta_min      9
_cell_volume                     1161.2(5)
_computing_cell_refinement       'CAD4 Software (Enraf--Nonius, 1989)'
_computing_data_collection       'CAD4 Software (Enraf--Nonius, 1989)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4'
_diffrn_measurement_method       \w/2\q
_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  0.0304
_diffrn_reflns_av_sigmaI/netI    0.0301
_diffrn_reflns_limit_h_max       0
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            2229
_diffrn_reflns_theta_full        25.21
_diffrn_reflns_theta_max         25.21
_diffrn_reflns_theta_min         1.69
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.109
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.970
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>,  1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.408
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             512
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.183
_refine_diff_density_min         -0.172
_refine_ls_extinction_coef       0.019(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         2072
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0784
_refine_ls_R_factor_gt           0.0497
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0627P)^2^+0.5485P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1202
_refine_ls_wR_factor_ref         0.1454
_reflns_number_gt                1452
_reflns_number_total             2072
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb2831.cif
_cod_data_source_block           I
_cod_original_cell_volume        1161.2(4)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2220183
_cod_database_fobs_code          2220183