<i>N</i>,<i>N</i>'-Diphenyl-2,2'-(1,3,4-thiadiazolyl-2,5-dithio)diacetamide
Yong-Hong Wen; Shu-Sheng Zhang; Bao-Hui Yu; Xue-Mei Li; Qing Liu; Acta Crystallographica Section E 61 (2005) o347–o348; doi:10.1107/S1600536805001479

data_2205054
_publ_section_title
;
 <i>N</i>,<i>N</i>'-Diphenyl-2,2'-(1,3,4-thiadiazolyl-2,5-dithio)diacetamide
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o347
_journal_page_last               o348
_journal_paper_doi               10.1107/S1600536805001479
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C18 H16 N4 O2 S3'
_chemical_formula_moiety         'C18 H16 N4 O2 S3'
_chemical_formula_sum            'C18 H16 N4 O2 S3'
_chemical_formula_weight         416.53
_chemical_name_systematic
;
N,N'-Diphenyl-2,2'-(1,3,4-thiadiazolyl-2,5-dithio)diacetamide
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 97.039(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.6438(19)
_cell_length_b                   5.3153(5)
_cell_length_c                   16.7247(15)
_cell_measurement_reflns_used    3299
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.01
_cell_measurement_theta_min      2.45
_cell_volume                     1821.3(3)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        SAINT
_computing_molecular_graphics
;
ORTEP-3 for Windows (Farrugia, 1997), PLATON (Spek, 1998) and
CAMERON (Watkin et al., 1993)
;
_computing_publication_material  'SHELXTL, PARST (Nardelli, 1995) and PLATON'
_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 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0241
_diffrn_reflns_av_sigmaI/netI    0.0280
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            9757
_diffrn_reflns_theta_full        26.06
_diffrn_reflns_theta_max         26.06
_diffrn_reflns_theta_min         1.99
_diffrn_standards_decay_%        0.1
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.430
_exptl_absorpt_correction_T_max  0.9765
_exptl_absorpt_correction_T_min  0.8534
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.519
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             864
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.284
_refine_diff_density_min         -0.214
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         3604
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0493
_refine_ls_R_factor_gt           0.0390
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0543P)^2^+0.4102P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0951
_refine_ls_wR_factor_ref         0.1017
_reflns_number_gt                2949
_reflns_number_total             3604
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            dn6192.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_sg_symbol_H-M      'P 21/c'
_cod_database_code               2205054
_cod_database_fobs_code          2205054