Zerovalent N-Heterocyclic Carbene Complexes of Palladium and Nickel Dimethyl Fumarate: Synthesis, Structure, and Dynamic Behavior
Clement, Nicolas D.; Cavell, Kingsley J.; Ooi, Li-ling; Organometallics 25 (2006) 4155–; doi:10.1021/om0602759

data_4075434
_publ_section_title
;
 Zerovalent N-Heterocyclic Carbene Complexes of Palladium and Nickel
 Dimethyl Fumarate:&#x00A0; Synthesis, Structure, and Dynamic Behavior
;
_journal_issue                   17
_journal_name_full               Organometallics
_journal_page_first              4155
_journal_paper_doi               10.1021/om0602759
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C54 H62 N4 Ni2 O9'
_chemical_formula_weight         1028.50
_chemical_name_common            kjc0410
_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                 90.571(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7764(1)
_cell_length_b                   16.4619(2)
_cell_length_c                   29.9743(3)
_cell_measurement_reflns_used    161542
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      2.91
_cell_volume                     5317.18(10)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'Dirdif 99 (Beurskens, 1999)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_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  0.1164
_diffrn_reflns_av_sigmaI/netI    0.0656
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            64736
_diffrn_reflns_theta_full        27.43
_diffrn_reflns_theta_max         27.43
_diffrn_reflns_theta_min         2.99
_exptl_absorpt_coefficient_mu    0.765
_exptl_absorpt_correction_T_max  0.8317
_exptl_absorpt_correction_T_min  0.8317
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1995)'
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.285
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2168
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.931
_refine_diff_density_min         -0.718
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.130
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     649
_refine_ls_number_reflns         11921
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.141
_refine_ls_R_factor_all          0.0659
_refine_ls_R_factor_gt           0.0531
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0528P)^2^+3.8942P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1327
_refine_ls_wR_factor_ref         0.1393
_reflns_number_gt                9946
_reflns_number_total             11921
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om0602759si20060618_090404.cif
_cod_data_source_block           kjc0410
_cod_original_cell_volume        5317.2(1)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4075434