<i>N</i>,<i>N</i>'-Bis(4-methoxyphenyl)-3-oxapentanediamide
Yong-Hong Wen; Hui-Ling Wen; Shu-Sheng Zhang; Xue-Mei Li; Kun Zhang; Acta Crystallographica Section E 62 (2006) o682–o684; doi:10.1107/S160053680600198X

data_2208039
_publ_section_title
;
 <i>N</i>,<i>N</i>'-Bis(4-methoxyphenyl)-3-oxapentanediamide
;
_journal_coeditor_code           CV6637
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o682
_journal_page_last               o684
_journal_paper_doi               10.1107/S160053680600198X
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C18 H20 N2 O5'
_chemical_formula_moiety         'C18 H20 N2 O5'
_chemical_formula_sum            'C18 H20 N2 O5'
_chemical_formula_weight         344.36
_chemical_name_systematic
;
N,N'-Bis(4-methoxyphenyl)-3-oxapentanediamide
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                103.201(2)
_cell_angle_beta                 101.383(2)
_cell_angle_gamma                92.577(2)
_cell_formula_units_Z            2
_cell_length_a                   8.1399(10)
_cell_length_b                   8.4654(11)
_cell_length_c                   13.3901(17)
_cell_measurement_reflns_used    1756
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.4
_cell_measurement_theta_min      2.5
_cell_volume                     876.70(19)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXTL
_computing_publication_material
;
SHELXTL, PARST (Nardelli, 1995) and PLATON (Spek, 2003)
;
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'Siemens SMART 1000 CCD area-detector'
_diffrn_measurement_method       \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  0.0115
_diffrn_reflns_av_sigmaI/netI    0.0232
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            5013
_diffrn_reflns_theta_full        26.03
_diffrn_reflns_theta_max         26.03
_diffrn_reflns_theta_min         1.60
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.9914
_exptl_absorpt_correction_T_min  0.9608
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            'dark brown'
_exptl_crystal_density_diffrn    1.304
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             364
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.897
_refine_diff_density_min         -0.216
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3379
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0712
_refine_ls_R_factor_gt           0.0581
_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^)+(0.0837P)^2^+0.2739P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1511
_refine_ls_wR_factor_ref         0.1634
_reflns_number_gt                2691
_reflns_number_total             3379
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cv6637.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 'Triclinic' changed to 'triclinic'
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_database_code               2208039
_cod_database_fobs_code          2208039