Unique stepwise substitution reaction of a mono(guanidinate)tetraplatinum complex with amidines, giving mono(amidinate)tetraplatinum complexes through mixed-ligand intermediate complexes.
Tanaka, Shinji; Mashima, Kazushi; Dalton transactions (Cambridge, England : 2003) 42 (2013) 2831–2840; doi:10.1039/c2dt32136j

data_7022247
_publ_section_title
;
 Unique stepwise substitution reaction of a mono(guanidinate)tetraplatinum
 complex with amidines, giving mono(amidinate)tetraplatinum complexes
 through mixed-ligand intermediate complexes.
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2831
_journal_page_last               2840
_journal_paper_doi               10.1039/c2dt32136j
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C36.50 H52.50 N3 O14 Pt4'
_chemical_formula_sum            'C36.5 H52.5 N3 O14 Pt4'
_chemical_formula_weight         1537.69
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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
_cell_angle_alpha                94.2320(13)
_cell_angle_beta                 91.8670(13)
_cell_angle_gamma                93.8170(15)
_cell_formula_units_Z            2
_cell_length_a                   12.0308(6)
_cell_length_b                   12.3827(6)
_cell_length_c                   15.9563(7)
_cell_measurement_reflns_used    27246
_cell_measurement_temperature    113
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      3.02
_cell_volume                     2363.65(19)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare, et al., 1994)'
_diffrn_ambient_temperature      113
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0789
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            38204
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    11.813
_exptl_absorpt_correction_T_max  0.307
_exptl_absorpt_correction_T_min  0.042
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.160
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1433.00
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         2.300
_refine_diff_density_min         -2.590
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     532
_refine_ls_number_reflns         10774
_refine_ls_number_restraints     36
_refine_ls_R_factor_gt           0.0428
_refine_ls_shift/su_max          0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0261P)^2^+13.6626P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0944
_reflns_number_gt                8462
_reflns_number_total             10774
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c2dt32136j.txt
_cod_data_source_block           complex_5
_cod_original_cell_volume        2363.64(18)
_cod_original_formula_sum        'C36.50 H52.50 N3 O14 Pt4'
_cod_database_code               7022247