1-(4-Methoxyphenyl)-5-phenylpenta-2,4-dien-1-one
Bo Zhao; Yu-Zhi Rong; Wei Huang; Acta Crystallographica Section E 63 (2007) o2971–o2971; doi:10.1107/S1600536807021253

data_2213853
_publ_section_title
;
 1-(4-Methoxyphenyl)-5-phenylpenta-2,4-dien-1-one
;
_journal_coeditor_code           IS2156
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2971
_journal_page_last               o2971
_journal_paper_doi               10.1107/S1600536807021253
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C18 H16 O2'
_chemical_formula_moiety         'C18 H16 O2'
_chemical_formula_sum            'C18 H16 O2'
_chemical_formula_weight         264.31
_chemical_name_systematic
;
1-(4-MMethoxyphenyl)-5-phenylpenta-2,4-dien-1-one
;
_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           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 107.830(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.004(2)
_cell_length_b                   15.727(2)
_cell_length_c                   8.0770(10)
_cell_measurement_reflns_used    28
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      15.66
_cell_measurement_theta_min      2.73
_cell_volume                     1451.6(4)
_computing_cell_refinement       XSCANS
_computing_data_collection       'XSCANS (Siemens, 1994)'
_computing_data_reduction        'SHELXTL (Siemens, 1995)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      297(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0137
_diffrn_reflns_av_sigmaI/netI    0.0328
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2974
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.78
_diffrn_standards_decay_%        2.22
_diffrn_standards_interval_count 970
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.209
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.54
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.150
_refine_diff_density_min         -0.139
_refine_ls_extinction_coef       0.0139(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 1997)'
_refine_ls_goodness_of_fit_ref   0.866
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     183
_refine_ls_number_reflns         2560
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.866
_refine_ls_R_factor_all          0.0754
_refine_ls_R_factor_gt           0.0369
_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^)+(0.0495P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0829
_refine_ls_wR_factor_ref         0.0944
_reflns_number_gt                1439
_reflns_number_total             2560
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            is2156.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_sg_symbol_H-M      'P 21/c'
_cod_database_code               2213853
_cod_database_fobs_code          2213853