(<i>Z</i>)-2-{2,4-Dimethoxy-6-[(<i>E</i>)-4-methoxystyryl]benzylidene}quinuclidin-3-one
Madadi, Nikhil Reddy; Parkin, Sean; Crooks, Peter A.; Acta Crystallographica Section E 68 (2012) o730–; doi:10.1107/S1600536812005843

data_2233788
_publ_section_title
;
 (<i>Z</i>)-2-{2,4-Dimethoxy-6-[(<i>E</i>)-4-methoxystyryl]benzylidene}quinuclidin-3-one
;
_journal_coeditor_code           FJ2476
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o730
_journal_paper_doi               10.1107/S1600536812005843
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C25 H27 N O4'
_chemical_formula_moiety         'C25 H27 N O4'
_chemical_formula_sum            'C25 H27 N O4'
_chemical_formula_weight         405.48
_chemical_name_systematic
;
(<i>Z</i>)-2-{2,4-Dimethoxy-6-[(<i>E</i>)-4-
methoxystyryl]benzylidene}quinuclidin-3-one
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 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                   36.10680(10)
_cell_length_b                   6.87480(10)
_cell_length_c                   8.4813(4)
_cell_measurement_reflns_used    2806
_cell_measurement_temperature    90.0(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     2105.29(10)
_computing_cell_refinement       'SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1998)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP in SHELXTL (Sheldrick, 2008)'
_computing_publication_material
;
SHELXL97 (Sheldrick, 2008) and local procedures
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      90.0(2)
_diffrn_detector_area_resol_mean 9.1
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Nonius KappaCCD'
_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  0.0510
_diffrn_reflns_av_sigmaI/netI    0.0235
_diffrn_reflns_limit_h_max       46
_diffrn_reflns_limit_h_min       -46
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            39211
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.26
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.993
_exptl_absorpt_correction_T_min  0.978
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SCALEPACK; Otwinowski & Minor, 1997)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.279
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             864
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.170
_refine_diff_density_min         -0.188
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         2554
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0406
_refine_ls_R_factor_gt           0.0351
_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^)+(0.0550P)^2^+0.4230P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0870
_refine_ls_wR_factor_ref         0.0904
_reflns_number_gt                2313
_reflns_number_total             2554
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fj2476.cif
_cod_data_source_block           I
_cod_database_code               2233788
_cod_database_fobs_code          2233788