Synthesis and characterization of N-heterocyclic carbene-palladium(ii) chlorides-1-methylindazole and -1-methylpyrazole complexes and their catalytic activity toward C‒N coupling of aryl chlorides
Zhao, Xiao-Yun; Zhou, Quan; Lu, Jian-Mei; RSC Adv. 6 (2016) 24484–; doi:10.1039/C6RA02556K

data_7224497
_publ_section_title
;
 Synthesis and characterization of N-heterocyclic carbene-palladium(ii)
 chlorides-1-methylindazole and -1-methylpyrazole complexes and their
 catalytic activity toward C--N coupling of aryl chlorides
;
_journal_issue                   29
_journal_name_full               'RSC Adv.'
_journal_page_first              24484
_journal_paper_doi               10.1039/C6RA02556K
_journal_volume                  6
_journal_year                    2016
_chemical_formula_moiety         'C23 H26 Cl2 N4 Pd'
_chemical_formula_sum            'C23 H26 Cl2 N4 Pd'
_chemical_formula_weight         535.78
_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
_audit_update_record
;
2016-01-06 deposited with the CCDC.
2016-02-25 downloaded from the CCDC.
;
_cell_angle_alpha                87.103(4)
_cell_angle_beta                 89.823(4)
_cell_angle_gamma                89.630(4)
_cell_formula_units_Z            4
_cell_length_a                   9.1155(18)
_cell_length_b                   13.036(3)
_cell_length_c                   20.075(4)
_cell_measurement_reflns_used    9177
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.09
_cell_measurement_theta_min      2.45
_cell_volume                     2382.4(9)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'XP (Bruker, 2002)'
_computing_publication_material  'SHELXL-97 (Bruker, 2002)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX II area-detector diffractometer'
_diffrn_measurement_method       '\f and \w 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  0.0253
_diffrn_reflns_av_sigmaI/netI    0.0352
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            23301
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.02
_exptl_absorpt_coefficient_mu    1.020
_exptl_absorpt_correction_T_max  0.8067
_exptl_absorpt_correction_T_min  0.7428
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2002)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.494
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.455
_refine_diff_density_min         -0.499
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     551
_refine_ls_number_reflns         9294
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0456
_refine_ls_R_factor_gt           0.0321
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0543P)^2^+0.8282P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0890
_refine_ls_wR_factor_ref         0.1006
_reflns_number_gt                7458
_reflns_number_total             9294
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c6ra02556k2.cif
_cod_data_source_block           mo_20150427a_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_database_code               7224497