Extension of the Alkane Bridge in BisNHC−Palladium−Chloride Complexes. Synthesis, Structure, and Catalytic Activity
Ahrens, Sebastian; Zeller, Alexander; Taige, Maria; Strassner, Thomas; Organometallics 25 (2006) 5409–; doi:10.1021/om060577a

data_4074362
_publ_section_title
;
 Extension of the Alkane Bridge in BisNHC&#x2212;Palladium&#x2212;Chloride
 Complexes. Synthesis, Structure, and Catalytic Activity
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              5409
_journal_paper_doi               10.1021/om060577a
_journal_volume                  25
_journal_year                    2006
_chemical_formula_moiety         'C11 H16 Cl2 N4 Pd'
_chemical_formula_sum            'C11 H16 Cl2 N4 Pd'
_chemical_formula_weight         381.60
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 108.192(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.1820(8)
_cell_length_b                   15.3270(12)
_cell_length_c                   11.9170(16)
_cell_measurement_reflns_used    315
_cell_measurement_temperature    198(2)
_cell_measurement_theta_max      3.589
_cell_measurement_theta_min      22.994
_cell_volume                     1419.8(3)
_computing_cell_refinement
'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'EvalCCD (Duisenberg & Schreurs 1990-2000)'
_computing_molecular_graphics    'Ortep III 1.0.3 (M.Burnett,C.Johnson,2000)'
_computing_publication_material  'XCIF 6.12 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      198(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0752
_diffrn_reflns_av_sigmaI/netI    0.0247
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            77375
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         3.61
_exptl_absorpt_coefficient_mu    1.671
_exptl_absorpt_correction_T_max  0.8259
_exptl_absorpt_correction_T_min  0.6393
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS 2.03.(Sheldrick,Bruker AXS Inc.,2002)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.785
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.633
_refine_diff_density_min         -0.720
_refine_diff_density_rms         0.080
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.11(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     329
_refine_ls_number_reflns         6837
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0251
_refine_ls_R_factor_gt           0.0231
_refine_ls_shift/su_max          0.013
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0308P)^2^+1.0022P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0565
_refine_ls_wR_factor_ref         0.0578
_reflns_number_gt                6599
_reflns_number_total             6837
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060577asi20060629_122036.cif
_cod_data_source_block           str-155
_cod_original_sg_symbol_H-M      P21
_cod_database_code               4074362