1,2,3-Trimethoxy-4-[(<i>E</i>)-2-phenylvinyl]benzene and (<i>E</i>,<i>E</i>)-1,4-bis(2,3,4-trimethoxyphenyl)buta-1,3-diene
Sopková-de Oliveira Santos, Jana; Bazin, Marc-Antoine; Lohier, Jean-François; El Kihel, Laīla; Rault, Sylvain; Acta Crystallographica Section C 65 (2009) o311–o313; doi:10.1107/S0108270109019702

data_2017172
_publ_section_title
;
 1,2,3-Trimethoxy-4-[(<i>E</i>)-2-phenylvinyl]benzene and
 (<i>E</i>,<i>E</i>)-1,4-bis(2,3,4-trimethoxyphenyl)buta-1,3-diene
;
_journal_coeditor_code           FA3186
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o311
_journal_page_last               o313
_journal_paper_doi               10.1107/S0108270109019702
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C22 H26 O6'
_chemical_formula_moiety         'C22 H26 O6'
_chemical_formula_sum            'C22 H26 O6'
_chemical_formula_weight         386.43
_chemical_name_systematic
;
(<i>E</i>,<i>E</i>)-1,4-bis(2,3,4-trimethoxyphenyl)buta-1,3-diene
;
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.138(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.2899(4)
_cell_length_b                   7.0186(3)
_cell_length_c                   13.9897(5)
_cell_measurement_reflns_used    9216
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      36.30
_cell_measurement_theta_min      2.25
_cell_volume                     987.76(7)
_computing_cell_refinement       'APEX2 (Bruker, 2006)'
_computing_data_collection       'APEX2 (Bruker, 2006)'
_computing_data_reduction        'SAINT (Bruker, 2006)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEXII CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0528
_diffrn_reflns_av_sigmaI/netI    0.0326
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            30080
_diffrn_reflns_theta_full        34.97
_diffrn_reflns_theta_max         34.97
_diffrn_reflns_theta_min         2.25
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.299
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             412
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.677
_refine_diff_density_min         -0.275
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     179
_refine_ls_number_reflns         4333
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0634
_refine_ls_R_factor_gt           0.0461
_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^)+(0.0829P)^2^+0.1139P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1224
_refine_ls_wR_factor_ref         0.1357
_reflns_number_gt                3409
_reflns_number_total             4333
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fa3186.cif
_cod_data_source_block           II
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2017172
_cod_database_fobs_code          2017172