Air-Stable (Phenylbuta-1,3-diynyl)palladium(II) Complexes: Highly Active Initiators for Living Polymerization of Isocyanides.
Xue, Ya-Xin; Zhu, Yuan-Yuan; Gao, Long-Mei; He, Xiao-Yue; Liu, Na; Zhang, Wu-Yi; Yin, Jun; Ding, Yunsheng; Zhou, Hongping; Wu, Zong-Quan; Journal of the American Chemical Society 136 (2014) 4706–4713; doi:10.1021/ja5004747

data_4121536
_publ_section_title
;
 Air-Stable (Phenylbuta-1,3-diynyl)palladium(II) Complexes: Highly Active
 Initiators for Living Polymerization of Isocyanides.
;
_journal_issue                   12
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4706
_journal_page_last               4713
_journal_paper_doi               10.1021/ja5004747
_journal_volume                  136
_journal_year                    2014
_chemical_formula_moiety         C22H35ClP2Pd
_chemical_formula_sum            'C22 H35 Cl P2 Pd'
_chemical_formula_weight         503.29
_chemical_name_common            complex-1c
_chemical_name_systematic
; 
 ? 
;
_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                 101.878(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.583(7)
_cell_length_b                   14.626(11)
_cell_length_c                   20.535(17)
_cell_measurement_reflns_used    3272
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.40
_cell_measurement_theta_min      2.42
_cell_volume                     2523(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_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      296(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_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  0.0500
_diffrn_reflns_av_sigmaI/netI    0.0520
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            18677
_diffrn_reflns_theta_full        26.09
_diffrn_reflns_theta_max         26.09
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    0.972
_exptl_absorpt_correction_T_max  0.8679
_exptl_absorpt_correction_T_min  0.8293
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.325
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.372
_refine_diff_density_min         -0.363
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.955
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     241
_refine_ls_number_reflns         4921
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.955
_refine_ls_R_factor_all          0.0708
_refine_ls_R_factor_gt           0.0356
_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^)+(0.0446P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0823
_refine_ls_wR_factor_ref         0.0981
_reflns_number_gt                3027
_reflns_number_total             4921
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja5004747_si_002.cif
_cod_data_source_block           1c
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4121536