Ethylene Polymerization by Sterically Crowded Palladium(II) Complexes that Contain Bis(heterocycle)methane Ligands
Burns, Christopher T.; Jordan, Richard F.; Organometallics 26 (2007) 6737–; doi:10.1021/om700768j

data_4073973
_publ_section_title
;
 Ethylene Polymerization by Sterically Crowded Palladium(II) Complexes
 that Contain Bis(heterocycle)methane Ligands
;
_journal_issue                   27
_journal_name_full               Organometallics
_journal_page_first              6737
_journal_paper_doi               10.1021/om700768j
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C32 H34 Cl8 N2 Pd'
_chemical_formula_weight         836.61
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_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                85.413(4)
_cell_angle_beta                 86.325(4)
_cell_angle_gamma                85.283(4)
_cell_formula_units_Z            2
_cell_length_a                   9.397(2)
_cell_length_b                   9.948(2)
_cell_length_c                   19.007(4)
_cell_measurement_temperature    100(2)
_cell_volume                     1762.1(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0238
_diffrn_reflns_av_sigmaI/netI    0.0365
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            17176
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.06
_exptl_absorpt_coefficient_mu    1.159
_exptl_absorpt_correction_T_max  0.9337
_exptl_absorpt_correction_T_min  0.7225
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
absorption corrections were made based on correspondance of
equivalent intensities usingprogram SADABS (G. Sheldrick, Bruker 
Analytical X-ray Systems, Madison, WI)
;
_exptl_crystal_density_diffrn    1.577
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             844
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.598
_refine_diff_density_min         -0.381
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.994
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     440
_refine_ls_number_reflns         6209
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.994
_refine_ls_R_factor_all          0.0339
_refine_ls_R_factor_gt           0.0284
_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^)+(0.0342P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0644
_refine_ls_wR_factor_ref         0.0659
_reflns_number_gt                5382
_reflns_number_total             6209
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om700768j-file002.cif
_cod_data_source_block           chris04s
_cod_original_cell_volume        1762.2(6)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4073973