(<i>E</i>,<i>E</i>)-<i>N</i>,<i>N</i>'-Bis(3,4,5-trimethoxybenzylidene)ethylenediamine
Aliakbar Dehno Khalaji; Korbanjhon Brad; Yan Zhang; Acta Crystallographica Section E 63 (2007) o4389–o4389; doi:10.1107/S1600536807050532

data_2215809
_publ_section_title
(<i>E</i>,<i>E</i>)-<i>N</i>,<i>N</i>'-Bis(3,4,5-trimethoxybenzylidene)ethylenediamine
_journal_coeditor_code           BT2540
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4389
_journal_page_last               o4389
_journal_paper_doi               10.1107/S1600536807050532
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C22 H28 N2 O6'
_chemical_formula_moiety         'C22 H28 N2 O6'
_chemical_formula_sum            'C22 H28 N2 O6'
_chemical_formula_weight         416.46
_chemical_name_systematic
;
(E,E)-N,N'-Bis(3,4,5-trimethoxybenzylidene)ethylenediamine
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 95.326(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   32.008(8)
_cell_length_b                   4.9175(12)
_cell_length_c                   13.945(4)
_cell_measurement_reflns_used    1598
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      23.83
_cell_measurement_theta_min      2.93
_cell_volume                     2185.5(10)
_computing_cell_refinement       'SMART (Bruker, 1997)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        'SAINT (Bruker, 1997)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  'SHELXTL (Bruker, 1997)'
_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 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  0.0297
_diffrn_reflns_av_sigmaI/netI    0.0316
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       -38
_diffrn_reflns_limit_k_max       3
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            5347
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.28
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.9836
_exptl_absorpt_correction_T_min  0.9782
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.266
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.184
_refine_diff_density_min         -0.141
_refine_ls_extinction_coef       0.0070(10)
_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   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     140
_refine_ls_number_reflns         1933
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0635
_refine_ls_R_factor_gt           0.0379
_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^)+(0.0692P)^2^+0.163P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1046
_refine_ls_wR_factor_ref         0.1214
_reflns_number_gt                1321
_reflns_number_total             1933
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt2540.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2185.4(9)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2215809
_cod_database_fobs_code          2215809