Unusual reactivities of N-heterocyclic carbenes upon coordination to the platinum(II)-dimethyl moiety.
Fortman, George C; Scott, Natalie M; Linden, Anthony; Stevens, Edwin D; Dorta, Reto; Nolan, Steven P; Chemical communications (Cambridge, England) 46 (2010) 1050–1052; doi:10.1039/b920482b

data_7105238
_publ_section_title
;
 Unusual reactivities of N-heterocyclic carbenes upon coordination to
 the platinum(II)-dimethyl moiety.
;
_journal_issue                   7
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1050
_journal_page_last               1052
_journal_paper_doi               10.1039/b920482b
_journal_volume                  46
_journal_year                    2010
_chemical_formula_sum            'C43 H50 N4 Pt'
_chemical_formula_weight         817.96
_chemical_name_common            (Pt(IMes*)(IMes)Me)
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.0640(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7787(5)
_cell_length_b                   20.0707(9)
_cell_length_c                   17.2875(8)
_cell_measurement_reflns_used    34334
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.769
_cell_measurement_theta_min      2.143
_cell_volume                     3739.3(3)
_computing_cell_refinement       'Bruker SMART'
_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      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0706
_diffrn_reflns_av_sigmaI/netI    0.0447
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            53108
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         2.14
_exptl_absorpt_coefficient_mu    3.787
_exptl_absorpt_correction_T_max  0.925811
_exptl_absorpt_correction_T_min  0.616063
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.453
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1656
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         2.021
_refine_diff_density_min         -3.836
_refine_diff_density_rms         0.139
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.110
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     453
_refine_ls_number_reflns         9017
_refine_ls_number_restraints     446
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0548
_refine_ls_R_factor_gt           0.0422
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0171P)^2^+15.6320P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0831
_refine_ls_wR_factor_ref         0.0858
_reflns_number_gt                7543
_reflns_number_total             9017
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b920482b.txt
_cod_data_source_block           nol193
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7105238