4-[4-(4-Formyl-2-methoxyphenoxy)butoxy]-3-methoxybenzaldehyde
Duan, Zhong-Yu; Zhang, Wen-Jun; Acta Crystallographica Section E 61 (2005) o3355–o3356; doi:10.1107/S160053680502951X

data_2207090
_publ_section_title
;
 4-[4-(4-Formyl-2-methoxyphenoxy)butoxy]-3-methoxybenzaldehyde
;
_journal_coeditor_code           WN6378
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3355
_journal_page_last               o3356
_journal_paper_doi               10.1107/S160053680502951X
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C20 H22 O6'
_chemical_formula_moiety         'C20 H22 O6'
_chemical_formula_sum            'C20 H22 O6'
_chemical_formula_weight         358.38
_chemical_name_systematic
;
4-[4-(4-Formyl-2-methoxyphenoxy)butoxy]-3-methoxybenzaldehyde
;
_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                 95.787(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.4200(16)
_cell_length_b                   7.6630(16)
_cell_length_c                   16.407(3)
_cell_measurement_reflns_used    1740
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      26.30
_cell_measurement_theta_min      2.76
_cell_volume                     928.1(3)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 1999)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX 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  0.0283
_diffrn_reflns_av_sigmaI/netI    0.0274
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            4527
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.50
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.977
_exptl_absorpt_correction_T_min  0.944
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1999)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             380
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.136
_refine_diff_density_min         -0.141
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     119
_refine_ls_number_reflns         1632
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0569
_refine_ls_R_factor_gt           0.0355
_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^)+(0.0429P)^2^+0.2073P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0863
_refine_ls_wR_factor_ref         0.1014
_reflns_number_gt                1142
_reflns_number_total             1632
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            wn6378.cif
_cod_data_source_block           I
_cod_original_cell_volume        928.2(3)
_cod_original_sg_symbol_Hall     '-p 2ybc'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2207090
_cod_database_fobs_code          2207090