Facile Reductive Elimination of Ethane from Strained Dimethylpalladium(II) Complexes
Steven M. Reid; Joel T. Mague; Mark J. Fink; Journal of the American Chemical Society 123 (2001) 4081–4082; doi:10.1021/ja0056062

data_4115491
_publ_section_title
;
 Facile Reductive Elimination of Ethane from Strained
 Dimethylpalladium(II) Complexes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4081
_journal_page_last               4082
_journal_paper_doi               10.1021/ja0056062
_journal_volume                  123
_journal_year                    2001
_chemical_formula_moiety         '((C H3)2 (((C H3)2 P)2 C H2) Pd)2'
_chemical_formula_sum            'C7 H20 P2 Pd'
_chemical_formula_weight         272.57
_chemical_name_systematic
; 
 cis-Tetramethylbis(mu-bis(dimethylphosphino)methane)dipalladium(II)
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.242(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.4484(13)
_cell_length_b                   11.1542(9)
_cell_length_c                   16.7454(13)
_cell_measurement_reflns_used    23
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.58
_cell_measurement_theta_min      19.16
_cell_volume                     2263.3(4)
_computing_cell_refinement       'CAD-4 Software (Enraf-Nonius, 1989)'
_computing_data_collection       'CAD-4 Software (Enraf-Nonius, 1989)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1987)'
_computing_molecular_graphics    'SHELXTL (Bruker AXS, 1997)'
_computing_publication_material  'SHELXTL (Bruker AXS, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4'
_diffrn_measurement_method       '\q/2\q 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  0.0241
_diffrn_reflns_av_sigmaI/netI    0.0361
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            4209
_diffrn_reflns_theta_full        25.07
_diffrn_reflns_theta_max         25.07
_diffrn_reflns_theta_min         1.68
_diffrn_standards_decay_%        <2
_diffrn_standards_interval_time  120
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    1.864
_exptl_absorpt_correction_T_max  0.6539
_exptl_absorpt_correction_T_min  0.5519
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '\y scan (North, et al., 1968)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.600
_exptl_crystal_description       Slab
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.402
_refine_diff_density_min         -0.625
_refine_diff_density_rms         0.127
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         4012
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0421
_refine_ls_R_factor_gt           0.0241
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0274P)^2^+1.1565P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0620
_refine_ls_wR_factor_ref         0.0660
_reflns_number_gt                3324
_reflns_number_total             4012
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0056062_3.cif
_cod_data_source_block           mjf224
_cod_original_cell_volume        2263.3(3)
_cod_database_code               4115491