Highly efficient palladium precatalysts of homoscorpionate bispyrazolyl ligands for the more challenging Suzuki-Miyaura cross-coupling of aryl chlorides.
John, Alex; Shaikh, Mobin M.; Butcher, Ray J.; Ghosh, Prasenjit; Dalton transactions (Cambridge, England : 2003) 39 (2010) 7353–7363; doi:10.1039/c003174g

data_7025756
_publ_section_title
;
 Highly efficient palladium precatalysts of homoscorpionate bispyrazolyl
 ligands for the more challenging Suzuki-Miyaura cross-coupling of aryl
 chlorides.
;
_journal_issue                   31
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7353
_journal_page_last               7363
_journal_paper_doi               10.1039/c003174g
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C19 H24 Cl2 N5 Pd'
_chemical_formula_sum            'C19 H24 Cl2 N5 Pd'
_chemical_formula_weight         499.73
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ac'
_symmetry_space_group_name_H-M   'P c m n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.1966(2)
_cell_length_b                   13.6939(3)
_cell_length_c                   18.0046(4)
_cell_measurement_reflns_used    8677
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      32.4887
_cell_measurement_theta_min      2.9721
_cell_volume                     2020.90(8)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.31.7 (release 18-10-2006 CrysAlis171 .NET)
(compiled Oct 18 2006,16:28:17)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.31.7 (release 18-10-2006 CrysAlis171 .NET)
(compiled Oct 18 2006,16:28:17)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.31.7 (release 18-10-2006 CrysAlis171 .NET)
(compiled Oct 18 2006,16:28:17)
;
_computing_molecular_graphics    'SHELXLTL (Sheldrick, 2008)'
_computing_publication_material  SHELXLTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 15.9948
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.940
_diffrn_measurement_device_type  'Oxford Diffraction Xcaliber'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0396
_diffrn_reflns_av_sigmaI/netI    0.0427
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            19997
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         32.58
_diffrn_reflns_theta_min         2.98
_exptl_absorpt_coefficient_mu    1.197
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.94097
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.31.7 (release 18-10-2006 CrysAlis171 .NET)
(compiled Oct 18 2006,16:28:17)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange-yellow
_exptl_crystal_density_diffrn    1.642
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1012
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.729
_refine_diff_density_min         -0.626
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     138
_refine_ls_number_reflns         3588
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0435
_refine_ls_R_factor_gt           0.0275
_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^)+(0.0358P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0652
_refine_ls_wR_factor_ref         0.0686
_reflns_number_gt                2761
_reflns_number_total             3588
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c003174g.txt
_cod_data_source_block           pg100
_cod_database_code               7025756