The Elusive Structure of Pd2(dba)3. Examination by Isotopic Labeling, NMR Spectroscopy, and X-ray Diffraction Analysis: Synthesis and Characterization of Pd2(dba-Z)3 Complexes
Anant R. Kapdi; Adrian C. Whitwood; David C. Williamson; Jason M. Lynam; Michael J. Burns; Thomas J. Williams; Alan J. Reay; Jordan Holmes; Ian J. S. Fairlamb; Journal of the American Chemical Society 135 (2013) 8388–8399; doi:10.1021/ja403259c

data_4119853
_publ_section_title
;
 The Elusive Structure of Pd2(dba)3. Examination by Isotopic Labeling, NMR
 Spectroscopy, and X-ray Diffraction Analysis: Synthesis and
 Characterization of Pd2(dba-Z)3 Complexes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8388
_journal_page_last               8399
_journal_paper_doi               10.1021/ja403259c
_journal_volume                  135
_journal_year                    2013
_chemical_formula_moiety         'C51 H36 F6 O3 Pd2, C H2 Cl2'
_chemical_formula_sum            'C52 H38 Cl2 F6 O3 Pd2'
_chemical_formula_weight         1108.52
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                108.248(8)
_cell_angle_beta                 102.070(8)
_cell_angle_gamma                94.818(8)
_cell_formula_units_Z            2
_cell_length_a                   12.145(5)
_cell_length_b                   12.382(5)
_cell_length_c                   15.969(6)
_cell_measurement_reflns_used    2498
_cell_measurement_temperature    115(2)
_cell_measurement_theta_max      25.02
_cell_measurement_theta_min      2.48
_cell_volume                     2201.2(15)
_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      115(2)
_diffrn_measured_fraction_theta_full 0.966
_diffrn_measured_fraction_theta_max 0.966
_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  0.0444
_diffrn_reflns_av_sigmaI/netI    0.0948
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            12218
_diffrn_reflns_theta_full        25.33
_diffrn_reflns_theta_max         25.33
_diffrn_reflns_theta_min         1.39
_exptl_absorpt_coefficient_mu    1.009
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.816
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2.03; (Sheldrick)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.673
_exptl_crystal_description       plate
_exptl_crystal_F_000             1108
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.072
_refine_diff_density_min         -0.997
_refine_diff_density_rms         0.181
_refine_ls_extinction_coef       0.0044(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     461
_refine_ls_number_reflns         7782
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.1010
_refine_ls_R_factor_gt           0.0552
_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^)+(0.0677P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1195
_refine_ls_wR_factor_ref         0.1424
_reflns_number_gt                5061
_reflns_number_total             7782
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja403259c_si_002_6.cif
_cod_data_source_block           ijf0428m
_cod_original_cell_volume        2201.1(15)
_cod_database_code               4119853