1,5-Diphenylpent-4-ene-1,3-dione
Arrieta, Antonio F.; Arvid Mostad; Acta Crystallographica Section E 58 (2002) o1301–o1303; doi:10.1107/S160053680201930X

data_2201722
_publ_section_title
;
 1,5-Diphenylpent-4-ene-1,3-dione
;
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1301
_journal_page_last               o1303
_journal_paper_doi               10.1107/S160053680201930X
_journal_volume                  58
_journal_year                    2002
_chemical_formula_iupac          'C17 H14 O2'
_chemical_formula_moiety         'C17 H14 O2'
_chemical_formula_sum            'C17 H14 O2'
_chemical_formula_weight         250.28
_chemical_melting_point          371
_chemical_name_systematic
;
 1,5-diphenylpent-4-ene-1,3-dione
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.97(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   30.102(6)
_cell_length_b                   5.7120(10)
_cell_length_c                   7.466(2)
_cell_measurement_reflns_used    1024
_cell_measurement_temperature    152(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      2.0
_cell_volume                     1280.6(5)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    SHELXL97
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997b)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997b)'
_diffrn_ambient_temperature      152(2)
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       \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  0.044
_diffrn_reflns_av_sigmaI/netI    0.041
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            8368
_diffrn_reflns_theta_full        28.5
_diffrn_reflns_theta_max         28.5
_diffrn_reflns_theta_min         1.4
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.08
_exptl_absorpt_correction_T_max  0.992
_exptl_absorpt_correction_T_min  0.959
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1997a)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.298
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.27
_refine_diff_density_min         -0.25
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.08
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         1622
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.08
_refine_ls_R_factor_all          0.053
_refine_ls_R_factor_gt           0.044
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0899P)^2^+0.0642P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.123
_refine_ls_wR_factor_ref         0.141
_reflns_number_gt                1419
_reflns_number_total             1622
_reflns_threshold_expression     I>2\s(I)'
_cod_data_source_file            ya6133.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1280.7(4)
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               2201722
_cod_database_fobs_code          2201722