Homoleptic and heteroleptic bis-NHC Cu(i) complexes as carbene transfer reagents.
Santoro, Orlando; Lazreg, Faïma; Cordes, David B.; Slawin, Alexandra M. Z.; Cazin, Catherine S. J.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 4970–4973; doi:10.1039/c6dt00595k

data_7038710
_publ_section_title
;
 Homoleptic and heteroleptic bis-NHC Cu(i) complexes as carbene transfer
 reagents.
;
_journal_issue                   12
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4970
_journal_page_last               4973
_journal_paper_doi               10.1039/c6dt00595k
_journal_volume                  45
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C45 H61 Cl N5 Pd, B F4, C H Cl3'
_chemical_formula_sum            'C46 H62 B Cl4 F4 N5 Pd'
_chemical_formula_weight         1020.04
_chemical_name_common            '[Pd(Cl)(NCPh)(IPr)(ItBu)]BF4 '
_chemical_name_systematic
'chloro-benzonitrile-N,N?-bis-{2,6-(di-iso-propyl)phenyl}imidazol-2-ylidene-N,N?-(di-tert-butyl)imidazol-2-ylidene palladium (II) tetrafluoroborate'
_chemical_properties_physical
'Air-sensitive, Moisture-sensitive, Oxygen-sensitive'
_space_group_crystal_system      monoclinic
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2015-11-03
_audit_creation_method           'by CrystalStructure 4.1'
_audit_update_record
;
2015-11-04 deposited with the CCDC.
2016-02-22 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 115.779(4)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   18.242(3)
_cell_length_b                   16.276(2)
_cell_length_c                   18.471(3)
_cell_measurement_reflns_used    7623
_cell_measurement_temperature    173
_cell_measurement_theta_max      25.40
_cell_measurement_theta_min      1.80
_cell_volume                     4938.4(13)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b45'
_computing_data_collection
'CrystalClear-SM Expert 2.1 b45 (Rigaku, 2015)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b45'
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2014)'
_computing_structure_refinement  'SHELXL2013 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla, et al., 2005)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 5.814
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0631
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            29539
_diffrn_reflns_point_group_measured_fraction_full 0.971
_diffrn_reflns_point_group_measured_fraction_max 0.966
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.400
_diffrn_reflns_theta_min         1.761
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.644
_exptl_absorpt_correction_T_max  0.962
_exptl_absorpt_correction_T_min  0.622
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.372
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2112.00
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.060
_refine_diff_density_max         1.34
_refine_diff_density_min         -0.55
_refine_ls_abs_structure_details
;
 Flack x determined using 2794 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.035(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     564
_refine_ls_number_reflns         8800
_refine_ls_number_restraints     2
_refine_ls_R_factor_all          0.0756
_refine_ls_R_factor_gt           0.0532
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0625P)^2^+9.8190P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1129
_refine_ls_wR_factor_ref         0.1230
_reflns_number_gt                7315
_reflns_number_total             8800
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c6dt00595k2.cif
_cod_data_source_block           4c
_cod_depositor_comments
'Adding full bibliography for 7038709--7038710.cif.'
_cod_database_code               7038710
_shelx_res_checksum              4529