Unusual Reaction between (Nitrile)Pt Complexes and Pyrazoles: Substitution Proceeds via Metal-Mediated Nitrile−Pyrazole Coupling Followed by Elimination of the Nitrile
Khripun, Anatoly V.; Kukushkin, Vadim Yu.; Selivanov, Stanislav I.; Haukka, Matti; Pombeiro, Armando J. L.; Inorganic Chemistry 45 (2006) 5073–5083; doi:10.1021/ic0602300

data_4332313
_publ_section_title
;
 Unusual Reaction between (Nitrile)Pt Complexes and Pyrazoles:&#x00A0;
 Substitution Proceeds via Metal-Mediated Nitrile&#x2212;Pyrazole Coupling
 Followed by Elimination of the Nitrile
;
_journal_issue                   13
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5073
_journal_page_last               5083
_journal_paper_doi               10.1021/ic0602300
_journal_volume                  45
_journal_year                    2006
_chemical_formula_moiety         ' C12 H18 Cl2 N6 Pt, C H Cl3'
_chemical_formula_sum            'C13 H19 Cl5 N6 Pt'
_chemical_formula_weight         631.68
_chemical_name_common            PtCl2(NHC(Et)(NNCHCHCH))2.(CHCl3)
_chemical_name_systematic
;
 ?
;
_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                 96.7710(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            12
_cell_length_a                   12.3022(4)
_cell_length_b                   32.8307(11)
_cell_length_c                   15.0957(5)
_cell_measurement_reflns_used    43412
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.44
_cell_measurement_theta_min      1.24
_cell_volume                     6054.5(3)
_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    'Diamond v.3.1a (Crystal Impact GbR, 2005)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans and \w scans with \k offset'
_diffrn_radiation_monochromator  'horizontally 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  0.0688
_diffrn_reflns_av_sigmaI/netI    0.0610
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       42
_diffrn_reflns_limit_k_min       -40
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            43412
_diffrn_reflns_theta_full        27.44
_diffrn_reflns_theta_max         27.44
_diffrn_reflns_theta_min         1.24
_exptl_absorpt_coefficient_mu    7.625
_exptl_absorpt_correction_T_max  0.2418
_exptl_absorpt_correction_T_min  0.0974
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Xprep in Shelxtl v.6.14 (Sheldrick, 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.079
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3624
_exptl_crystal_size_max          0.57
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.26
_refine_diff_density_max         1.702
_refine_diff_density_min         -2.172
_refine_diff_density_rms         0.227
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     685
_refine_ls_number_reflns         13477
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0587
_refine_ls_R_factor_gt           0.0360
_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^)+(0.0281P)^2^+3.5970P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0694
_refine_ls_wR_factor_ref         0.0758
_reflns_number_gt                10380
_reflns_number_total             13477
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0602300sup1.cif
_cod_data_source_block           compd_9
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4332313