Unsymmetrical Chiral PCN Pincer Palladium(II) and Nickel(II) Complexes of (Imidazolinyl)aryl Phosphinite Ligands: Synthesis via Ligand C−H Activation, Crystal Structures, and Catalytic Studies
Zhang, Ben-Shang; Wang, Wei; Shao, Dan-Dan; Hao, Xin-Qi; Gong, Jun-Fang; Song, Mao-Ping; Organometallics 29 (2010) 2579–; doi:10.1021/om100232n

data_4065972
_publ_section_title
;
 Unsymmetrical Chiral PCN Pincer Palladium(II) and Nickel(II) Complexes of
 (Imidazolinyl)aryl Phosphinite Ligands: Synthesis via Ligand C&#x2212;H
 Activation, Crystal Structures, and Catalytic Studies
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              2579
_journal_paper_doi               10.1021/om100232n
_journal_volume                  29
_journal_year                    2010
_chemical_absolute_configuration rm
_chemical_formula_sum            'C33 H34 Cl3 N2 O2 P Pd'
_chemical_formula_weight         734.34
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.918(2)
_cell_length_b                   14.418(3)
_cell_length_c                   23.256(5)
_cell_measurement_temperature    293(2)
_cell_volume                     3325.6(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0478
_diffrn_reflns_av_sigmaI/netI    0.0409
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            40906
_diffrn_reflns_theta_full        27.93
_diffrn_reflns_theta_max         27.93
_diffrn_reflns_theta_min         1.66
_exptl_absorpt_coefficient_mu    0.879
_exptl_absorpt_correction_T_max  0.8578
_exptl_absorpt_correction_T_min  0.8167
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.467
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1496
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.481
_refine_diff_density_min         -0.554
_refine_diff_density_rms         0.154
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     383
_refine_ls_number_reflns         7947
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0544
_refine_ls_R_factor_gt           0.0501
_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^)+(0.0748P)^2^+1.0871P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1285
_refine_ls_wR_factor_ref         0.1370
_reflns_number_gt                7610
_reflns_number_total             7947
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100232n_si_002.cif
_cod_data_source_block           Complex-3f
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               4065972