Crystal structure of (E)-1-(4-hydroxyphenyl)-2-(3,4,5-trimethoxyphenyl)-ethene, C17H18O4, a trans-stilbene
Jian Guo; Baolin Li; Wei Wang; Yitian Lai; Zeitschrift für Kristallographie - New Crystal Structures 223 (2008) 127–; doi:

data_8102233
_publ_section_title
;
 Crystal structure of
 (E)-1-(4-hydroxyphenyl)-2-(3,4,5-trimethoxyphenyl)-ethene, C17H18O4, a
 trans-stilbene
;
_journal_issue                   2
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              127
_journal_volume                  223
_journal_year                    2008
_chemical_formula_moiety         'C17 H18 O4'
_chemical_formula_sum            'C17 H18 O4'
_chemical_formula_weight         286.31
_chemical_name_systematic
; 
 trans-3,4,5-trimethoxy-4'-hydroxystilbene 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.3692(4)
_cell_length_b                   13.1524(11)
_cell_length_c                   22.0043(18)
_cell_measurement_reflns_used    1421
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      19.89
_cell_measurement_theta_min      2.41
_cell_volume                     1553.9(2)
_computing_cell_refinement       'SMART (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SMART (Bruker, 1999)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0387
_diffrn_reflns_av_sigmaI/netI    0.0277
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            7832
_diffrn_reflns_theta_full        25.10
_diffrn_reflns_theta_max         25.10
_diffrn_reflns_theta_min         1.80
_diffrn_standards_interval_count 100
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.992
_exptl_absorpt_correction_T_min  0.970
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(sadabs; Bruker, 1999)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.224
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             608
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.132
_refine_diff_density_min         -0.117
_refine_diff_density_rms         0.029
_refine_ls_extinction_coef       0.017(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     195
_refine_ls_number_reflns         1638
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0423
_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^)+(0.0717P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1125
_refine_ls_wR_factor_ref         0.1264
_reflns_number_gt                1147
_reflns_number_total             1638
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1267-2175.cff
_cod_data_source_block           xb1519
_cod_database_code               8102233