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_7105236
_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            'C33 H56 Cl2 N4 Pt'
_chemical_formula_weight         774.81
_chemical_name_common            (Pt(ICy)2Me2).(CH2Cl2)
_chemical_name_systematic
;
?
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 105.3540(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.5185(7)
_cell_length_b                   12.9037(6)
_cell_length_c                   17.4636(8)
_cell_measurement_reflns_used    19806
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.533
_cell_measurement_theta_min      2.222
_cell_volume                     3372.2(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 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0195
_diffrn_reflns_av_sigmaI/netI    0.0369
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            27974
_diffrn_reflns_theta_full        30.53
_diffrn_reflns_theta_max         30.53
_diffrn_reflns_theta_min         2.42
_exptl_absorpt_coefficient_mu    4.347
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.720203
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.526
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1576
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.898
_refine_diff_density_min         -1.231
_refine_diff_density_rms         0.084
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.021(5)
_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     363
_refine_ls_number_reflns         10221
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0252
_refine_ls_R_factor_gt           0.0196
_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^)+(0.0000P)^2^+0.1748P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0440
_refine_ls_wR_factor_ref         0.0454
_reflns_number_gt                8950
_reflns_number_total             10221
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b920482b.txt
_cod_data_source_block           nol189a
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               7105236