Changes in Coordination of Sterically Demanding Hybrid Imidazolylphosphine Ligands on Pd(0) and Pd(II)
Douglas B. Grotjahn; Yi Gong; Lev Zakharov; James A. Golen; Arnold L. Rheingold; Journal of the American Chemical Society 128 (2006) 438–453; doi:10.1021/ja054779u

data_4110357
_publ_section_title
;
 Changes in Coordination of Sterically Demanding Hybrid
 Imidazolylphosphine Ligands on Pd(0) and Pd(II)
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              438
_journal_page_last               453
_journal_paper_doi               10.1021/ja054779u
_journal_volume                  128
_journal_year                    2006
_chemical_formula_sum            'C34 H59 I N4 P2 Pd'
_chemical_formula_weight         819.09
_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
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_cell_angle_alpha                90.00
_cell_angle_beta                 97.0240(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.3428(10)
_cell_length_b                   10.4371(7)
_cell_length_c                   26.6199(19)
_cell_measurement_reflns_used    5281
_cell_measurement_temperature    218(2)
_cell_measurement_theta_max      28.15
_cell_measurement_theta_min      2.42
_cell_volume                     3955.0(5)
_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  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      218(2)
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.968
_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  0.0382
_diffrn_reflns_av_sigmaI/netI    0.0532
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            28863
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.54
_exptl_absorpt_coefficient_mu    1.357
_exptl_absorpt_correction_T_max  0.8992
_exptl_absorpt_correction_T_min  0.6129
_exptl_absorpt_correction_type   SADABS/empirical
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.376
_exptl_crystal_density_meas      0
_exptl_crystal_description       PRISMS
_exptl_crystal_F_000             1680
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.718
_refine_diff_density_min         -0.806
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     398
_refine_ls_number_reflns         9506
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0598
_refine_ls_R_factor_gt           0.0388
_refine_ls_shift/su_max          0.235
_refine_ls_shift/su_mean         0.011
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0416P)^2^+0.9540P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0920
_refine_ls_wR_factor_ref         0.1004
_reflns_number_gt                6927
_reflns_number_total             9506
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja054779usi20050716_085033.cif
_cod_data_source_block           grot81
_cod_database_code               4110357