Zerovalent [Pd(NHC)(Alkene)1,2] Complexes Bearing Expanded-Ring N-Heterocyclic Carbene Ligands in Transfer Hydrogenation of Alkynes
Hauwert, Peter; Dunsford, Jay J.; Tromp, Dorette S.; Weigand, Jan J.; Lutz, Martin; Cavell, Kingsley J.; Elsevier, Cornelis J.; Organometallics 32 (2013) 131–; doi:10.1021/om300930w

data_4079824
_publ_section_title
;
 Zerovalent [Pd(NHC)(Alkene)1,2] Complexes Bearing Expanded-Ring
 N-Heterocyclic Carbene Ligands in Transfer Hydrogenation of Alkynes
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              131
_journal_paper_doi               10.1021/om300930w
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         '    C26 H24 N2 O6 Pd'
_chemical_formula_sum            'C26 H24 N2 O6 Pd'
_chemical_formula_weight         566.87
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yc'
_symmetry_space_group_name_H-M   'P 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2012-09-12 # Formatted by publCIF
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.1430(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3030(5)
_cell_length_b                   13.6864(6)
_cell_length_c                   17.1090(8)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      22.5
_cell_measurement_theta_min      1
_cell_volume                     2412.55(19)
_computing_cell_refinement       'APEX2(Bruker AXS, 2007)'
_computing_data_collection       'APEX2(Bruker AXS, 2007)'
_computing_data_reduction        'SAINT,SADABS (Bruker AXS, 2007 )'
_computing_molecular_graphics
;
ORTEP3,L.J. Farrugia, J. Appl. Cryst. (1997) 30, 565
;
_computing_structure_refinement
;
SHELXL-97, G. M. Sheldrick, Acta Cryst. (2008) A64, 112-122
;
_computing_structure_solution
;
SHELXS-97 , G. M. Sheldrick, Acta Cryst. (2008) A64, 112-122
;
_diffrn_ambient_temperature      153(1)
_diffrn_detector_area_resol_mean 80
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'Omega and Phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0383
_diffrn_reflns_av_sigmaI/netI    0.0374
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            20503
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         1.49
_exptl_absorpt_coefficient_mu    0.814
_exptl_absorpt_correction_T_max  0.9839
_exptl_absorpt_correction_T_min  0.9016
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 Corrections were done with the SADABS program, utilizing the none merged
 raw data obtained from the integration process. Integration and final cell
 refinement were done with SAINT.

 SADABS reports ratio of Tmin/Tmax = 0.625131  

;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.561
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.555
_refine_diff_density_min         -0.730
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         5780
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0502
_refine_ls_R_factor_gt           0.0325
_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^)+(0.0426P)^2^+0.3305P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0785
_refine_ls_wR_factor_ref         0.0860
_reflns_number_gt                4211
_reflns_number_total             5780
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om300930w_si_002.cif
_cod_data_source_block           sada
_cod_original_sg_symbol_H-M      'P 2/c'
_cod_database_code               4079824