1-(1-Benzofuran-2-yl)-2-mesitylethanone
Arıcı, Cengiz; Ülkü, Dinçer; Kırılmış, Cumhur; Koca, Murat; Ahmedzade, Misir; Acta Crystallographica Section E 60 (2004) o941–o942; doi:10.1107/S1600536804010116

data_2203824
_publ_section_title
;
 1-(1-Benzofuran-2-yl)-2-mesitylethanone
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o941
_journal_page_last               o942
_journal_paper_doi               10.1107/S1600536804010116
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C19 H18 O2'
_chemical_formula_moiety         'C19 H18 O2'
_chemical_formula_sum            'C19 H18 O2'
_chemical_formula_weight         278.33
_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
_atom_type_scat_source           IntTabIV
_cell_angle_alpha                90.000(5)
_cell_angle_beta                 95.231(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            4
_cell_length_a                   8.133(5)
_cell_length_b                   15.762(5)
_cell_length_c                   11.752(5)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.65
_cell_measurement_theta_min      2.58
_cell_volume                     1500.2(12)
_computing_cell_refinement       'CAD-4 EXPRESS'
_computing_data_collection       'CAD-4 EXPRESS (Enraf-Nonius, 1993)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'PLATON (Spek, 2000)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  SHELXL97
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_measured_fraction_theta_full 0.87
_diffrn_measured_fraction_theta_max 0.87
_diffrn_measurement_device       'Enraf-Nonius CAD-4'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.034
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       0
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            2570
_diffrn_reflns_theta_full        25.65
_diffrn_reflns_theta_max         25.65
_diffrn_standards_decay_%        0.7
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.973
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(MolEN; Fair, 1990)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.232
_exptl_crystal_density_meas      ?
_exptl_crystal_description       prism
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.242
_refine_diff_density_min         -0.206
_refine_ls_extinction_coef       0.012(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.02
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         2467
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.058
_refine_ls_shift/su_max          0.0001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0891P)^2^+0.3519P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.154
_reflns_number_gt                1330
_reflns_number_total             2467
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            wn6240.cif
_cod_data_source_block           2
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2203824