(<i>Z</i>)-2-(3-Thienyl)-3-(3,4,5-trimethoxyphenyl)acrylonitrile
Sonar, Vijayakumar N.; Parkin, Sean; Crooks, Peter A.; Acta Crystallographica Section E 61 (2005) o933–o935; doi:10.1107/S160053680500680X

data_2205533
_publ_section_title
;
 (<i>Z</i>)-2-(3-Thienyl)-3-(3,4,5-trimethoxyphenyl)acrylonitrile
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o933
_journal_page_last               o935
_journal_paper_doi               10.1107/S160053680500680X
_journal_volume                  61
_journal_year                    2005
_chemical_formula_moiety         'C16 H15 N O3 S'
_chemical_formula_sum            'C16 H15 N O3 S'
_chemical_formula_weight         301.35
_chemical_name_systematic
;
(Z)-2-(3-Thienyl)-3-(3,4,5-trimethoxyphenyl)acrylonitrile
;
_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           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.9281(2)
_cell_length_b                   8.6629(2)
_cell_length_c                   24.3962(7)
_cell_measurement_reflns_used    1966
_cell_measurement_temperature    90.0(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     1464.20(7)
_computing_cell_refinement       'SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1999)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP in SHELXTL (Sheldrick, 1995)'
_computing_publication_material  'SHELXL97 and local programs'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      90.0(2)
_diffrn_detector_area_resol_mean 18
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Nonius KappaCCD area-detector'
_diffrn_measurement_method       '\w scans at fixed \c = 55\%'
_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  0.047
_diffrn_reflns_av_sigmaI/netI    0.0461
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            3337
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         1.67
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.230
_exptl_absorpt_correction_T_max  0.966
_exptl_absorpt_correction_T_min  0.910
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SCALEPACK; Otwinowski & Minor, 1997)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.367
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       block
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.215
_refine_diff_density_min         -0.218
_refine_ls_abs_structure_details 'Flack (1983), with 1386 Friedel pairs'
_refine_ls_abs_structure_Flack   0.00(7)
_refine_ls_extinction_coef       0.0151(18)
_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   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         3337
_refine_ls_number_restraints     195
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0554
_refine_ls_R_factor_gt           0.0395
_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^)+(0.0293P)^2^+0.6118P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0807
_refine_ls_wR_factor_ref         0.0871
_reflns_number_gt                2787
_reflns_number_total             3337
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh6335.cif
_cod_data_source_block           I
_cod_database_code               2205533
_cod_database_fobs_code          2205533