(<i>E</i>)-1-(4,4''-Difluoro-5'-methoxy-1,1':3',1''-terphenyl-4'-yl)-3-(4-nitrophenyl)prop-2-en-1-one
Betz, Richard; Gerber, Thomas; Hosten, Eric; Samshuddin, S.; Narayana, Badiadka; Yathirajan, Hemmige S.; Acta Crystallographica Section E 67 (2011) o3179–o3180; doi:10.1107/S1600536811045806

data_2232660
_publ_section_title
;
 (<i>E</i>)-1-(4,4''-Difluoro-5'-methoxy-1,1':3',1''-terphenyl-4'-yl)-3-(4-nitrophenyl)prop-2-en-1-one
;
_journal_coeditor_code           FJ2465
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3179
_journal_page_last               o3180
_journal_paper_doi               10.1107/S1600536811045806
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C28 H19 F2 N O4'
_chemical_formula_moiety         'C28 H19 F2 N O4'
_chemical_formula_sum            'C28 H19 F2 N O4'
_chemical_formula_weight         471.44
_chemical_melting_point          489
_chemical_name_systematic
(<i>E</i>)-1-(4,4''-Difluoro-5'-methoxy-1,1':3',1''-terphenyl-4'-yl)-3-(4-nitrophenyl)prop-2-en-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           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.243(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.3751(7)
_cell_length_b                   6.9098(2)
_cell_length_c                   13.7879(5)
_cell_measurement_reflns_used    9792
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.35
_cell_measurement_theta_min      2.65
_cell_volume                     2198.07(12)
_computing_cell_refinement       'SAINT (Bruker, 2010)'
_computing_data_collection       'APEX2 (Bruker, 2010)'
_computing_data_reduction        'SAINT (Bruker, 2010)'
_computing_molecular_graphics
'ORTEP-3 (Farrugia, 1997) and Mercury (Macrae <i>et al.</i>, 2008)'
_computing_publication_material
'SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0255
_diffrn_reflns_av_sigmaI/netI    0.0107
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            37111
_diffrn_reflns_theta_full        28.36
_diffrn_reflns_theta_max         28.36
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.107
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.425
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             976
_exptl_crystal_size_max          0.580
_exptl_crystal_size_mid          0.442
_exptl_crystal_size_min          0.174
_refine_diff_density_max         0.323
_refine_diff_density_min         -0.237
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         5462
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0508
_refine_ls_R_factor_gt           0.0452
_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^)+(0.0442P)^2^+1.0552P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1075
_refine_ls_wR_factor_ref         0.1136
_reflns_number_gt                4899
_reflns_number_total             5462
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            fj2465.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2232660
_cod_database_fobs_code          2232660