New Antitumor-Active Azole-Bridged Dinuclear Platinum(II) Complexes: Synthesis, Characterization, Crystal Structures, and Cytotoxic Studies
Seiji Komeda; Martin Lutz; Anthony L. Spek; Masahiko Chikuma; Jan Reedijk; Inorganic Chemistry 39 (2000) 4230–4236; doi:10.1021/ic000273v

data_4321355
_publ_contact_author_address
; Bijvoet Center for Biomolecular Research
  Dep. Crystal and Structural Chemistry
  Utrecht University
  Padualaan 8
  3584 CH Utrecht
  The Netherlands
;
_publ_contact_author_email       m.lutz@chem.uu.nl
_publ_contact_author_fax         '[+31] 30 2533940'
_publ_contact_author_name        'Martin Lutz'
_publ_contact_author_phone       '[+31] 30 2533902'
_publ_section_title
;
 New Antitumor-Active Azole-Bridged Dinuclear Platinum(II) Complexes:
 Synthesis, Characterization, Crystal Structures, and Cytotoxic Studies
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4230
_journal_page_last               4236
_journal_paper_doi               10.1021/ic000273v
_journal_volume                  39
_journal_year                    2000
_chemical_formula_moiety         'C2 H15 N7 O Pt2, 2(N O3)'
_chemical_formula_sum            'C2 H15 N9 O7 Pt2'
_chemical_formula_weight         667.41
_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     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                66.988(10)
_cell_angle_beta                 75.423(9)
_cell_angle_gamma                67.321(13)
_cell_formula_units_Z            2
_cell_length_a                   8.5225(15)
_cell_length_b                   9.1977(18)
_cell_length_c                   9.9771(7)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      15.37
_cell_measurement_theta_min      8.40
_cell_volume                     659.48(19)
_computing_cell_refinement       'SET4 (de Boer & Duisenberg, 1984)'
_computing_data_collection
'Locally modified CAD4-Version 5 Software (Enraf-Nonius, 1989)'
_computing_data_reduction        'HELENA (Spek, 1997)'
_computing_molecular_graphics    'PLATON (Spek, 2000)'
_computing_publication_material  'manually editing of SHELXL output'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'DIRDIF-97 (Beurskens et al., 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf-Nonius CAD4T'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0394
_diffrn_reflns_av_sigmaI/netI    0.0453
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            6424
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.23
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    21.240
_exptl_absorpt_correction_T_max  0.69
_exptl_absorpt_correction_T_min  0.23
_exptl_absorpt_correction_type   refdelf
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    3.361
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             604
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.08
_refine_diff_density_max         2.000
_refine_diff_density_min         -2.237
_refine_diff_density_rms         0.256
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         3010
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0389
_refine_ls_R_factor_gt           0.0289
_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^)+(0.0336P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0629
_refine_ls_wR_factor_ref         0.0663
_reflns_number_gt                2532
_reflns_number_total             3010
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic000273v_2.cif
_cod_data_source_block           comp2
_cod_original_cell_volume        659.48(18)
_cod_database_code               4321355