Strong N–H⋯N hydrogen bonds and weak N–H⋯S  C interactions in controlling the structure of the co-crystals of dithiooxamide with nitrogen heterocycles
Piotrkowska, Barbara; Wasilewska, Aleksandra; Gdaniec, Maria; Połoński, Tadeusz; CrystEngComm 10 (2008) 1421–; doi:10.1039/b806061d

data_7202167
_publ_section_title
;
 Strong N--H&#x22EF;N hydrogen bonds and weak N--H&#x22EF;S &#xE001; C
 interactions in controlling the structure of the co-crystals of
 dithiooxamide with nitrogen heterocycles
;
_journal_issue                   10
_journal_name_full               CrystEngComm
_journal_page_first              1421
_journal_paper_doi               10.1039/b806061d
_journal_volume                  10
_journal_year                    2008
_chemical_formula_moiety         'C12 H12 N2, C2 H4 N2 S2'
_chemical_formula_sum            'C14 H16 N4 S2'
_chemical_formula_weight         304.43
_chemical_name_common
'4,4'-ethane-1,2-diyldipyridine - dithiooxamide (1/1)'
_chemical_name_systematic
;
4,4'-ethane-1,2-diyldipyridine - dithiooxamide (1/1)
;
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                66.910(11)
_cell_angle_beta                 89.531(8)
_cell_angle_gamma                84.021(9)
_cell_formula_units_Z            2
_cell_length_a                   7.3183(7)
_cell_length_b                   9.4645(12)
_cell_length_c                   11.4992(11)
_cell_measurement_reflns_used    3251
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      4.3
_cell_volume                     728.22(15)
_computing_cell_refinement
;
CrysAlis CCD
;
_computing_data_collection
;
CrysAlis CCD (Oxford Diffraction, 2006)
;
_computing_data_reduction
;
CrysAlis RED (Oxford Diffraction, 2006)
;
_computing_molecular_graphics
; Stereochemical Workstation (Siemens, 1989).
Mercury, Version 1.4
(Macrae et al., 2006)
;
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      130(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Kuma KM4CCD \k geometry'
_diffrn_measurement_method       '\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  0.0236
_diffrn_reflns_av_sigmaI/netI    0.0355
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            7619
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         4.33
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.361
_exptl_absorpt_correction_T_max  0.941
_exptl_absorpt_correction_T_min  0.850
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Blessing (1995)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.388
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             320
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.5
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.530
_refine_diff_density_min         -0.291
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     197
_refine_ls_number_reflns         2962
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0558
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0705P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1079
_refine_ls_wR_factor_ref         0.1165
_reflns_number_gt                2293
_reflns_number_total             2962
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b806061d.txt
_cod_data_source_block           dtox-2
_cod_original_cell_volume        728.22(14)
_cod_database_code               7202167