4,4'-Bis(2-methoxylstyryl)biphenyl
Li, Yu-Feng; Jian, Fang-Fang; Acta Crystallographica Section E 65 (2009) o1930–; doi:10.1107/S1600536809026920

data_2222536
_publ_section_title
;
 4,4'-Bis(2-methoxylstyryl)biphenyl
;
_journal_coeditor_code           AT2831
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1930
_journal_paper_doi               10.1107/S1600536809026920
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C30 H26 O2'
_chemical_formula_moiety         'C30 H26 O2'
_chemical_formula_sum            'C30 H26 O2'
_chemical_formula_weight         418.51
_chemical_name_systematic
;
4,4'-Bis(2-methoxylstyryl)biphenyl
;
_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                 98.61(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   15.499(3)
_cell_length_b                   5.5050(11)
_cell_length_c                   13.445(3)
_cell_measurement_reflns_used    987
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.17
_cell_volume                     1134.2(4)
_computing_cell_refinement       'SAINT (Bruker, 1997)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        'SAINT (Bruker, 1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \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  0.0314
_diffrn_reflns_av_sigmaI/netI    0.0661
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       0
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            2541
_diffrn_reflns_theta_full        26.95
_diffrn_reflns_theta_max         26.95
_diffrn_reflns_theta_min         1.33
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.225
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             444
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.222
_refine_diff_density_min         -0.180
_refine_ls_extinction_coef       0.045(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     146
_refine_ls_number_reflns         2431
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.1606
_refine_ls_R_factor_gt           0.0648
_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^)+(0.1165P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1699
_refine_ls_wR_factor_ref         0.2175
_reflns_number_gt                1144
_reflns_number_total             2431
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            at2831.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2222536
_cod_database_fobs_code          2222536