Organometallic 3-(1H-Benzimidazol-2-yl)-1H-pyrazolo[3,4-b]pyridines as Potential Anticancer Agents
Iryna N. Stepanenko; Maria S. Novak; Gerhard Mühlgassner; Alexander Roller; Michaela Hejl; Vladimir B. Arion; Michael A. Jakupec; Bernhard K. Keppler; Inorganic Chemistry 50 (2011) 11715–11728; doi:10.1021/ic201704u

data_4326910
_publ_section_title
;
 Organometallic 3-(1H-Benzimidazol-2-yl)-1H-pyrazolo[3,4-b]pyridines as
 Potential Anticancer Agents
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11715
_journal_page_last               11728
_journal_paper_doi               10.1021/ic201704u
_journal_volume                  50
_journal_year                    2011
_chemical_formula_moiety         'C23 H23 Cl N5 Os, 4(H2 O), Cl'
_chemical_formula_sum            'C23 H31 Cl2 N5 O4 Os'
_chemical_formula_weight         702.63
_chemical_name_systematic
; 
(hapto^6^-p-cymene){3-(1H-benzimidazol-kappaN-2-yl)-1H-pyrazolo-
kappaN-[3,4-b]pyridine}chloridoosmium(II) chloride tetrahydrate 
;
_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                 99.334(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.2075(13)
_cell_length_b                   7.7890(5)
_cell_length_c                   17.0807(11)
_cell_measurement_reflns_used    3656
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      20.93
_cell_measurement_theta_min      2.15
_cell_volume                     2521.6(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 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.1721
_diffrn_reflns_av_sigmaI/netI    0.1079
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            41185
_diffrn_reflns_theta_full        25.30
_diffrn_reflns_theta_max         25.30
_diffrn_reflns_theta_min         2.42
_exptl_absorpt_coefficient_mu    5.309
_exptl_absorpt_correction_T_max  0.9012
_exptl_absorpt_correction_T_min  0.4165
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.851
_exptl_crystal_description       plate
_exptl_crystal_F_000             1384
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.02
_refine_diff_density_max         2.356
_refine_diff_density_min         -1.644
_refine_diff_density_rms         0.198
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         4577
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0967
_refine_ls_R_factor_gt           0.0531
_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^)+(0.0269P)^2^+7.9723P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0922
_refine_ls_wR_factor_ref         0.1072
_reflns_number_gt                3089
_reflns_number_total             4577
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic201704u_si_002_5.cif
_cod_data_source_block           irst811
_cod_database_code               4326910