Synthesis and structures of novel 1-methylcytosinato-bridged (ethylenediamine)platinum(II) and platinum(III) dinuclear complexes.
Djinovic, Vesna M.; Galanski, Markus; Arion, Vladimir B.; Keppler, Bernhard K.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 3633–3643; doi:10.1039/b926133h

data_7025257
_publ_section_title
;
 Synthesis and structures of novel 1-methylcytosinato-bridged
 (ethylenediamine)platinum(II) and platinum(III) dinuclear complexes.
;
_journal_issue                   15
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3633
_journal_page_last               3643
_journal_paper_doi               10.1039/b926133h
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C12 H22 N8 O2 Pt, 2(N O3), 2(O)'
_chemical_formula_sum            'C12 H26 N10 O10 Pt'
_chemical_formula_weight         665.52
_chemical_name_common
;(Ethane-1,2-diamine)bis(1-
methylcytosine)platinum(ii)dinitrate dihydrate
;
_chemical_name_systematic
;
(Ethane-1,2-diamine)bis(1-methylcytosine)platinum(II)dinitrate
dihydrate
;
_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                 101.110(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7582(10)
_cell_length_b                   14.5690(17)
_cell_length_c                   14.0733(15)
_cell_measurement_reflns_used    251
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      20.21
_cell_measurement_theta_min      2.96
_cell_volume                     2164.5(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0978
_diffrn_reflns_av_sigmaI/netI    0.0666
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            59830
_diffrn_reflns_theta_full        30.13
_diffrn_reflns_theta_max         30.13
_diffrn_reflns_theta_min         2.80
_exptl_absorpt_coefficient_mu    6.556
_exptl_absorpt_correction_T_max  0.5601
_exptl_absorpt_correction_T_min  0.5067
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.042
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1304
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.910
_refine_diff_density_min         -1.141
_refine_diff_density_rms         0.163
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.963
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         6356
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.963
_refine_ls_R_factor_all          0.0507
_refine_ls_R_factor_gt           0.0307
_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^)+(0.0138P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0492
_refine_ls_wR_factor_ref         0.0521
_reflns_number_gt                4787
_reflns_number_total             6356
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b926133h.txt
_cod_data_source_block           vedj041
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7025257