Nitrile-Amidine Coupling at Pt(IV) and Pt(II) Centers. An Easy Entry to Imidoylamidine Complexes
Nadezhda A. Bokach; Tatyana V. Kuznetsova; Svetlana A. Simanova; Matti Haukka; Armando J. L. Pombeiro; Vadim Yu. Kukushkin; Inorganic Chemistry 44 (2005) 5152–5160; doi:10.1021/ic050037q

data_4309172
_publ_section_title
;
Nitrile-Amidine Coupling at Pt(IV) and Pt(II) Centers. An Easy Entry to
Imidoylamidine Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5152
_journal_page_last               5160
_journal_paper_doi               10.1021/ic050037q
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C72 H84 N16 Pt2'
_chemical_formula_weight         1563.73
_chemical_name_common            '[Pt{NHC(NEt)2NC(Ph)NPh}2]'
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                77.720(2)
_cell_angle_beta                 83.761(2)
_cell_angle_gamma                71.5490(10)
_cell_formula_units_Z            2
_cell_length_a                   12.3627(3)
_cell_length_b                   12.9400(4)
_cell_length_c                   22.0075(6)
_cell_measurement_temperature    100(2)
_cell_volume                     3259.97(16)
_computing_cell_refinement       'Denzo/Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'Denzo/Scalepack (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP in Shelxtl v.6.14-1 (Sheldrick, 2005)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.946
_diffrn_measured_fraction_theta_max 0.946
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       '\f scans and \w scans'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0469
_diffrn_reflns_av_sigmaI/netI    0.0454
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            44124
_diffrn_reflns_theta_full        27.43
_diffrn_reflns_theta_max         27.43
_diffrn_reflns_theta_min         3.00
_exptl_absorpt_coefficient_mu    4.343
_exptl_absorpt_correction_T_max  0.20939
_exptl_absorpt_correction_T_min  0.12102
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Xprep in Shelxtl v.6.14-1 (Sheldrick, 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.593
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1568
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.146
_refine_diff_density_min         -2.391
_refine_diff_density_rms         0.136
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     822
_refine_ls_number_reflns         14074
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0468
_refine_ls_R_factor_gt           0.0323
_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^)+(0.0339P)^2^+2.3954P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0734
_refine_ls_wR_factor_ref         0.0798
_reflns_number_gt                11442
_reflns_number_total             14074
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic050037qsi20050411_083720_5.cif
_cod_data_source_block           structure_15
_cod_database_code               4309172