Impact of metal coordination on cytotoxicity of 3-aminopyridine-2-carboxaldehyde thiosemicarbazone (triapine) and novel insights into terminal dimethylation.
Kowol, Christian R.; Trondl, Robert; Heffeter, Petra; Arion, Vladimir B.; Jakupec, Michael A.; Roller, Alexander; Galanski, Markus; Berger, Walter; Keppler, Bernhard K.; Journal of medicinal chemistry 52 (2009) 5032–5043; doi:10.1021/jm900528d

data_1503670
_publ_section_title
;
 Impact of metal coordination on cytotoxicity of
 3-aminopyridine-2-carboxaldehyde thiosemicarbazone (triapine) and novel
 insights into terminal dimethylation.
;
_journal_issue                   16
_journal_name_full               'Journal of medicinal chemistry'
_journal_page_first              5032
_journal_page_last               5043
_journal_paper_doi               10.1021/jm900528d
_journal_volume                  52
_journal_year                    2009
_chemical_formula_moiety         'C9 H12 N4 S'
_chemical_formula_sum            'C9 H12 N4 S'
_chemical_formula_weight         208.29
_chemical_name_systematic
; 
Pyridine-2-carbaldehyde N,N-dimethylthiosemicarbazone 
;
_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                97.192(2)
_cell_angle_beta                 109.630(2)
_cell_angle_gamma                95.020(2)
_cell_formula_units_Z            2
_cell_length_a                   7.3747(2)
_cell_length_b                   7.4532(2)
_cell_length_c                   9.6324(3)
_cell_measurement_reflns_used    833
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.92
_cell_measurement_theta_min      2.75
_cell_volume                     489.97(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker X8 APEXII CCD'
_diffrn_measurement_method       \w-scan
_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  0.0238
_diffrn_reflns_av_sigmaI/netI    0.0188
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            15028
_diffrn_reflns_theta_full        30.07
_diffrn_reflns_theta_max         30.07
_diffrn_reflns_theta_min         2.78
_exptl_absorpt_coefficient_mu    0.294
_exptl_absorpt_correction_T_max  0.9712
_exptl_absorpt_correction_T_min  0.8913
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.412
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             220
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.406
_refine_diff_density_min         -0.219
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.869
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     133
_refine_ls_number_reflns         2869
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.869
_refine_ls_R_factor_all          0.0355
_refine_ls_R_factor_gt           0.0274
_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^)+(0.0478P)^2^+0.3166P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0734
_refine_ls_wR_factor_ref         0.0806
_reflns_number_gt                2493
_reflns_number_total             2869
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jm900528d_si_002.cif
_cod_data_source_block           CHKO178
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        489.97(2)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1503670