Palladium(II) and platinum(II) organometallic complexes with the model nucleobase anions of thymine, uracil, and cytosine: antitumor activity and interactions with DNA of the platinum compounds.
Ruiz, José; Lorenzo, Julia; Sanglas, Laura; Cutillas, Natalia; Vicente, Consuelo; Villa, María Dolores; Avilés, Francesc X; López, Gregorio; Moreno, Virtudes; Pérez, José; Bautista, Delia; Inorganic chemistry 45 (2006) 6347–6360; doi:10.1021/ic060374e

data_4350298
_publ_section_title
;
 Palladium(II) and platinum(II) organometallic complexes with the model
 nucleobase anions of thymine, uracil, and cytosine: antitumor activity
 and interactions with DNA of the platinum compounds.
;
_journal_issue                   16
_journal_name_full               'Inorganic chemistry'
_journal_page_first              6347
_journal_page_last               6360
_journal_paper_doi               10.1021/ic060374e
_journal_volume                  45
_journal_year                    2006
_chemical_formula_sum            'C33 H34 N3 O2 P Pt'
_chemical_formula_weight         730.69
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_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                 106.368(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.2589(11)
_cell_length_b                   8.0212(5)
_cell_length_c                   20.8978(13)
_cell_measurement_reflns_used    5480
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.76
_cell_measurement_theta_min      2.32
_cell_volume                     2936.6(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker ShelxTL'
_computing_publication_material  'Bruker ShelxTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Smart APEX'
_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  0.0451
_diffrn_reflns_av_sigmaI/netI    0.0345
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            31104
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    4.867
_exptl_absorpt_correction_T_max  0.6968
_exptl_absorpt_correction_T_min  0.2732
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.653
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1448
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.254
_refine_diff_density_min         -0.890
_refine_diff_density_rms         0.108
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    'rigid methyls, others riding'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     366
_refine_ls_number_reflns         5977
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0311
_refine_ls_R_factor_gt           0.0266
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0192P)^2^+4.5042P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0565
_refine_ls_wR_factor_ref         0.0581
_reflns_number_gt                5402
_reflns_number_total             5977
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic060374esi20060307_051734.cif
_cod_data_source_block           complex6
_cod_original_sg_symbol_H-M      'P 2(1)/c'
_cod_database_code               4350298