Synthesis and Characterization of Nickel Inverse 9-Metallacrown-3, Palladium-Silver, and Dinuclear Platinum Complexes Containing Pyrazole-Functionalized NHC Ligands
Chao Chen; Huayu Qiu; Wanzhi Chen; Inorganic Chemistry 50 (2011) 8671–8678; doi:10.1021/ic2012233

data_4326196
_publ_section_title
;
 Synthesis and Characterization of Nickel Inverse 9-Metallacrown-3,
 Palladium-Silver, and Dinuclear Platinum Complexes Containing
 Pyrazole-Functionalized NHC Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8671
_journal_page_last               8678
_journal_paper_doi               10.1021/ic2012233
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C28 H28 F12 N14 P2 Pt2'
_chemical_formula_weight         1240.76
_chemical_name_systematic
; 
 ? 
;
_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                74.9060(10)
_cell_angle_beta                 86.770(2)
_cell_angle_gamma                81.0100(10)
_cell_formula_units_Z            2
_cell_length_a                   9.7764(9)
_cell_length_b                   12.1843(16)
_cell_length_c                   16.3997(19)
_cell_measurement_reflns_used    2965
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.218
_cell_measurement_theta_min      2.423
_cell_volume                     1862.7(4)
_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  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_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  0.0323
_diffrn_reflns_av_sigmaI/netI    0.0755
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9742
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    7.693
_exptl_absorpt_correction_T_max  0.2949
_exptl_absorpt_correction_T_min  0.1630
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.212
_exptl_crystal_description       block
_exptl_crystal_F_000             1176
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.21
_refine_diff_density_max         2.183
_refine_diff_density_min         -1.700
_refine_diff_density_rms         0.198
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     523
_refine_ls_number_reflns         6464
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0868
_refine_ls_R_factor_gt           0.0495
_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^)+(0.0656P)^2^+6.5528P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1158
_refine_ls_wR_factor_ref         0.1396
_reflns_number_gt                4299
_reflns_number_total             6464
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic2012233_si_002_6.cif
_cod_data_source_block           6
_cod_database_code               4326196