Supramolecular structures formed by 2-aminopyridine derivatives.
Bensemann, Igor; Gdaniec, Maria; Połoński, Tadeusz; New Journal of Chemistry 26 (2002) 448–; doi:10.1039/b108861k

data_7050750
_publ_section_title
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 Supramolecular structures formed by 2-aminopyridine derivatives.
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_journal_issue                   4
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              448
_journal_paper_doi               10.1039/b108861k
_journal_volume                  26
_journal_year                    2002
_chemical_formula_sum            'C22 H18 N4 S'
_chemical_formula_weight         370.46
_chemical_melting_point          186.5(5)
_chemical_name_systematic
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N,N'-Bis(2-pyridyl) -4,4'-thiobis(aminobenzene)  
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_space_group_IT_number           43
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'F 2 -2d'
_symmetry_space_group_name_H-M   'F d d 2'
_atom_sites_solution_hydrogens   difmap
_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            8
_cell_length_a                   34.619(7)
_cell_length_b                   18.823(4)
_cell_length_c                   5.6100(10)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      40
_cell_measurement_theta_min      8
_cell_volume                     3655.7(13)
_computing_cell_refinement       'Kuma KM-4 software (Kuma Diffraction, 1991)'
_computing_data_collection       'Kuma KM-4 sofware (Kuma Diffraction, 1991)'
_computing_data_reduction        'Kuma KM-4 software (Kuma Diffraction, 1991)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measurement_device       'KM-4 four-circle diffractometer'
_diffrn_measurement_method       '\w/2\q scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0086
_diffrn_reflns_av_sigmaI/netI    0.0116
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            1674
_diffrn_reflns_theta_max         64.91
_diffrn_reflns_theta_min         5.11
_diffrn_standards_decay_%        <1.5
_diffrn_standards_interval_count 100
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.674
_exptl_absorpt_correction_T_max  0.955
_exptl_absorpt_correction_T_min  0.481
_exptl_absorpt_correction_type   psi-scan
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.346
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1552
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.6
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.162
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.013(17)
_refine_ls_extinction_coef       0.00050(10)
_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   1.074
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     160
_refine_ls_number_reflns         1503
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0352
_refine_ls_R_factor_gt           0.0347
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0781P)^2^+0.2750P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0898
_refine_ls_wR_factor_ref         0.0904
_reflns_number_gt                1483
_reflns_number_total             1503
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b108861k.txt
_cod_data_source_block           7
_cod_depositor_comments
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The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'psi scan' changed to 'psi-scan'
according to '/home/adriana/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 

The following automatic conversions were performed:

'_chemical_melting_point' value '186-187' was changed to '186.5(5)' -
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1569 2011-02-09 13:29:24Z adriana 
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_cod_original_sg_symbol_H-M      Fdd2
_cod_database_code               7050750