Two Reversible σ-Bond Metathesis Pathways for Boron-Palladium Bond Formation: Selective Synthesis of Isomeric Five-Coordinate Borylpalladium Complexes
Naohiro Kirai; Jun Takaya; Nobuharu Iwasawa; Journal of the American Chemical Society 135 (2013) 2493–2496; doi:10.1021/ja400294m

data_4119382
_publ_contact_author_email       niwasawa@chem.titech.ac.jp
_publ_contact_author_name        'Nobuharu Iwasawa'
_publ_section_title
;
 Two Reversible \s-Bond Metathesis Pathways for Boron-Palladium Bond
 Formation: Selective Synthesis of Isomeric Five-Coordinate Borylpalladium
 Complexes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2493
_journal_page_last               2496
_journal_paper_doi               10.1021/ja400294m
_journal_volume                  135
_journal_year                    2013
_chemical_formula_sum            'C61 H58 B O2 P3 Pd Si'
_chemical_formula_weight         1061.28
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           7
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P -2yac'
_symmetry_space_group_name_H-M   'P 1 n 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                 92.255(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.084(6)
_cell_length_b                   17.047(8)
_cell_length_c                   12.463(6)
_cell_measurement_reflns_used    4833
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      30.0723
_cell_measurement_theta_min      2.0670
_cell_volume                     2565(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.1351
_diffrn_reflns_av_sigmaI/netI    0.1986
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            19271
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.523
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.3778
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.374
_exptl_crystal_description       prism
_exptl_crystal_F_000             1100
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.991
_refine_diff_density_min         -1.133
_refine_diff_density_rms         0.155
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.55(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.995
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     627
_refine_ls_number_reflns         9458
_refine_ls_number_restraints     70
_refine_ls_restrained_S_all      0.995
_refine_ls_R_factor_all          0.1624
_refine_ls_R_factor_gt           0.0963
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1206P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2185
_refine_ls_wR_factor_ref         0.2625
_reflns_number_gt                5185
_reflns_number_total             9458
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja400294m_si_006.cif
_cod_data_source_block           '_cis_BPdPSiP_PPh3_3b'
_cod_database_code               4119382