Air-stable, convenient to handle Pd based PEPPSI (pyridine enhanced precatalyst preparation, stabilization and initiation) themed precatalysts of N/O-functionalized N-heterocyclic carbenes and its utility in Suzuki-Miyaura cross-coupling reaction.
Ray, Lipika; Shaikh, Mobin M.; Ghosh, Prasenjit; Dalton transactions (Cambridge, England : 2003)  (2007) 4546–4555; doi:10.1039/b706607d

data_7005889
_publ_section_title
;
 Air-stable, convenient to handle Pd based PEPPSI (pyridine enhanced
 precatalyst preparation, stabilization and initiation) themed
 precatalysts of N/O-functionalized N-heterocyclic carbenes and its
 utility in Suzuki-Miyaura cross-coupling reaction.
;
_journal_issue                   40
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4546
_journal_page_last               4555
_journal_paper_doi               10.1039/b706607d
_journal_year                    2007
_chemical_formula_sum            'C21 H26 Cl2 N4 O Pd'
_chemical_formula_weight         527.76
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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                107.068(14)
_cell_angle_beta                 111.852(19)
_cell_angle_gamma                100.997(14)
_cell_formula_units_Z            2
_cell_length_a                   10.829(2)
_cell_length_b                   11.2668(15)
_cell_length_c                   11.429(2)
_cell_measurement_reflns_used    8313
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      32.5065
_cell_measurement_theta_min      3.0515
_cell_volume                     1164.4(4)
_computing_cell_refinement       'CrysAlis RED, Oxford Diffraction Ltd.,'
_computing_data_collection       'CrysAlis CCD, Oxford Diffraction Ltd.,'
_computing_data_reduction        'CrysAlis RED, Oxford Diffraction Ltd.,'
_computing_molecular_graphics    Ortep3
_computing_publication_material  Shelx97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 15.9948
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0347
_diffrn_reflns_av_sigmaI/netI    0.0371
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            9996
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.06
_exptl_absorpt_coefficient_mu    1.045
_exptl_absorpt_correction_T_max  0.7801
_exptl_absorpt_correction_T_min  0.7111
_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            yellow
_exptl_crystal_density_diffrn    1.505
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         1.088
_refine_diff_density_min         -0.728
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     269
_refine_ls_number_reflns         4090
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0454
_refine_ls_R_factor_gt           0.0374
_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^)+(0.0724P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0963
_refine_ls_wR_factor_ref         0.1012
_reflns_number_gt                3400
_reflns_number_total             4090
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b706607d.txt
_cod_data_source_block           pg082
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        1164.3(4)
_cod_database_code               7005889