Pyridine-2-carbaldehyde thiosemicarbazone
Song, Li-Hua; Zhang, Xiang; Jiang, Kun; Yang, Sheng-Xiang; Acta Crystallographica Section E 65 (2009) o356–; doi:10.1107/S1600536809001962

data_2220751
_publ_section_title
;
 Pyridine-2-carbaldehyde thiosemicarbazone
;
_journal_coeditor_code           CV2504
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o356
_journal_paper_doi               10.1107/S1600536809001962
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C7 H8 N4 S'
_chemical_formula_moiety         'C7 H8 N4 S'
_chemical_formula_sum            'C7 H8 N4 S'
_chemical_formula_weight         180.23
_chemical_name_systematic
;
Pyridine-2-carbaldehyde thiosemicarbazone
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   20.725(2)
_cell_length_b                   4.7857(6)
_cell_length_c                   17.393(2)
_cell_measurement_reflns_used    1607
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      21.572
_cell_measurement_theta_min      2.288
_cell_volume                     1725.1(3)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        'SAINT (Siemens, 1996)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \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  0.0592
_diffrn_reflns_av_sigmaI/netI    0.0654
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            7296
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.29
_exptl_absorpt_coefficient_mu    0.323
_exptl_absorpt_correction_T_max  0.9412
_exptl_absorpt_correction_T_min  0.8684
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.388
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.966
_refine_diff_density_min         -0.964
_refine_ls_abs_structure_details 'Flack (1983), 1218  Friedel pairs'
_refine_ls_abs_structure_Flack   0.02(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.961
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         2797
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.960
_refine_ls_R_factor_all          0.0980
_refine_ls_R_factor_gt           0.0656
_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^)+(0.0511P)^2^+6.2026P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1442
_refine_ls_wR_factor_ref         0.1654
_reflns_number_gt                1951
_reflns_number_total             2797
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cv2504.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Orthorhombic' changed to
'orthorhombic' 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_cell_volume        1725.1(4)
_cod_database_code               2220751
_cod_database_fobs_code          2220751