Facile oxidation of NHC-Au(i) to NHC-Au(iii) complexes by CsBr3.
Kriechbaum, Margit; Otte, Daniela; List, Manuela; Monkowius, Uwe; Dalton transactions (Cambridge, England : 2003) 43 (2014) 8781–8791; doi:10.1039/c4dt00695j

data_7029883
_publ_section_title
;
 Facile oxidation of NHC-Au(i) to NHC-Au(iii) complexes by CsBr3.
;
_journal_issue                   23
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8781
_journal_page_last               8791
_journal_paper_doi               10.1039/c4dt00695j
_journal_volume                  43
_journal_year                    2014
_chemical_formula_sum            'C19 H23 F6 N2 P'
_chemical_formula_weight         424.36
_chemical_name_systematic
'2-(2,6-diisopropylphenyl)imidazo[1,5-a]pyridin-2-ium hexafluorophosphate'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.3670(16)
_cell_length_b                   13.090(2)
_cell_length_c                   9.463(3)
_cell_measurement_reflns_used    9907
_cell_measurement_temperature    200.(2)
_cell_measurement_theta_max      20.9830
_cell_measurement_theta_min      2.4830
_cell_volume                     2027.4(7)
_computing_cell_refinement       'SAINT V8.27B (Bruker AXS Inc., 2012)'
_computing_data_collection       'APEX2 Version 2009.9 (Bruker)'
_computing_data_reduction        'SAINT V8.27B (Bruker AXS Inc., 2012)'
_computing_molecular_graphics
'ORTEP-3 for Windows version 2.02 (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 and publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200.(2)
_diffrn_detector_area_resol_mean 8.3330
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0714
_diffrn_reflns_av_sigmaI/netI    0.0308
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            27566
_diffrn_reflns_theta_full        21.80
_diffrn_reflns_theta_max         21.80
_diffrn_reflns_theta_min         2.49
_exptl_absorpt_coefficient_mu    0.196
_exptl_absorpt_correction_T_max  0.97
_exptl_absorpt_correction_T_min  0.82
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.390
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.370
_exptl_crystal_size_min          0.130
_refine_diff_density_max         0.402
_refine_diff_density_min         -0.328
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     261
_refine_ls_number_reflns         2382
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0553
_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^)+(0.1082P)^2^+1.2494P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1498
_refine_ls_wR_factor_ref         0.1576
_reflns_number_gt                2143
_reflns_number_total             2382
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt00695j2.cif
_cod_data_source_block           I
_cod_depositor_comments
'Adding full bibliography for 7029880--7029888.cif.'
_cod_database_code               7029883