Crystal structure of N,N'-bis(3-ethoxy-2-hydroxybenzylidene)propane-1,3-diamine, C21H26N2O4
Kwang Ha; Zeitschrift für Kristallographie - New Crystal Structures 225 (2010) 737–; doi:

data_8102871
_publ_section_title
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 Crystal structure of
 N,N'-bis(3-ethoxy-2-hydroxybenzylidene)propane-1,3-diamine, C21H26N2O4
;
_journal_issue                   4
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              737
_journal_volume                  225
_journal_year                    2010
_chemical_formula_moiety         'C21 H26 N2 O4'
_chemical_formula_sum            'C21 H26 N2 O4'
_chemical_formula_weight         370.44
_chemical_name_systematic
; 
N,N'-Bis(3-ethoxy-2-hydroxybenzylidene)propane-1,3-diamine
;
_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                93.363(4)
_cell_angle_beta                 91.696(4)
_cell_angle_gamma                98.099(4)
_cell_formula_units_Z            2
_cell_length_a                   7.0100(12)
_cell_length_b                   7.9490(13)
_cell_length_c                   18.280(3)
_cell_measurement_reflns_used    1479
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      26.89
_cell_measurement_theta_min      2.23
_cell_volume                     1006.0(3)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    'ORTEP-III (Farrugia, 1997)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0369
_diffrn_reflns_av_sigmaI/netI    0.0937
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            7603
_diffrn_reflns_theta_full        28.35
_diffrn_reflns_theta_max         28.35
_diffrn_reflns_theta_min         2.23
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.873
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.223
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       stick
_exptl_crystal_F_000             396
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.214
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.051
_refine_ls_extinction_coef       0.016(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     249
_refine_ls_number_reflns         4941
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.1507
_refine_ls_R_factor_gt           0.0625
_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^)+(0.0504P)^2^+0.0228P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1165
_refine_ls_wR_factor_ref         0.1672
_reflns_number_gt                2345
_reflns_number_total             4941
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1267-3225.cff
_cod_data_source_block           etosalpn
_cod_depositor_comments
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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.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed
to 'multi-scan' 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 1555 2011-01-17 13:19:09Z saulius 
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_cod_database_code               8102871