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_4110356
_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            'C30 H57 F3 N4 O3 P2 Pd S'
_chemical_formula_weight         779.20
_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                   9.6134(4)
_cell_length_b                   16.0484(6)
_cell_length_c                   25.4098(10)
_cell_measurement_reflns_used    8167
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.47
_cell_volume                     3920.2(3)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0262
_diffrn_reflns_av_sigmaI/netI    0.0323
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            23881
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.50
_exptl_absorpt_coefficient_mu    0.655
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.917
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.320
_exptl_crystal_density_meas      0
_exptl_crystal_description       Block
_exptl_crystal_F_000             1632
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.650
_refine_diff_density_min         -0.247
_refine_diff_density_rms         0.062
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.315(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     626
_refine_ls_number_reflns         8900
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0287
_refine_ls_R_factor_gt           0.0259
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0307P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0602
_refine_ls_wR_factor_ref         0.0613
_reflns_number_gt                8312
_reflns_number_total             8900
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja054779usi20050716_085020.cif
_cod_data_source_block           grot97
_cod_database_code               4110356