(Benzofuran-2-yl)(3-methyl-3-phenylcyclobutyl)methanone
Yüksektepe, Çiĝdem; Saraçoĝlu, Hanife; Koca, Murat; Çukurovali, Alaaddin; Çalıs̨kan, Nezihe; Acta Crystallographica Section C 60 (2004) o509–o510; doi:10.1107/S0108270104012302

data_2014145
_publ_section_title
;
 (Benzofuran-2-yl)(3-methyl-3-phenylcyclobutyl)methanone
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o509
_journal_page_last               o510
_journal_paper_doi               10.1107/S0108270104012302
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C20 H18 O2'
_chemical_formula_moiety         'C20 H18 O2'
_chemical_formula_sum            'C20 H18 O2'
_chemical_formula_weight         290.34
_chemical_name_systematic
;
(Benzofuran-2-yl)(3-methyl-3-phenylcyclobutyl)methanone
;
_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           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.600(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.1497(7)
_cell_length_b                   14.6894(19)
_cell_length_c                   16.922(2)
_cell_measurement_reflns_used    5297
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.79
_cell_measurement_theta_min      1.84
_cell_volume                     1527.1(3)
_computing_cell_refinement       X-AREA
_computing_data_collection       'X-AREA (Stoe & Cie, 2002)'
_computing_data_reduction        'X-RED32 (Stoe & Cie, 2002)'
_computing_molecular_graphics    'ORTEPIII (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS86 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Stoe IPDS 2'
_diffrn_measurement_method       \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  0.1170
_diffrn_reflns_av_sigmaI/netI    0.0845
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            11652
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.84
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.263
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.253
_exptl_crystal_size_min          0.110
_refine_diff_density_max         0.128
_refine_diff_density_min         -0.158
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.828
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         2685
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.828
_refine_ls_R_factor_all          0.0724
_refine_ls_R_factor_gt           0.0412
_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^)+(0.0453P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0908
_refine_ls_wR_factor_ref         0.0983
_reflns_number_gt                1602
_reflns_number_total             2685
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fr1482.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2014145
_cod_database_fobs_code          2014145