Mono- and Digold(I) Complexes with Mesoionic Carbenes: Structural Characterization and Use in Catalytic Silver-Free Oxazoline Formation
Hettmanczyk, Lara; Schulze, Dennis; Suntrup, Lisa; Sarkar, Biprajit; Organometallics 35 (2016) 3828–; doi:10.1021/acs.organomet.6b00675

data_4089058
_publ_section_title
;
 Mono- and Digold(I) Complexes with Mesoionic Carbenes: Structural
 Characterization and Use in Catalytic Silver-Free Oxazoline Formation
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              3828
_journal_paper_doi               10.1021/acs.organomet.6b00675
_journal_volume                  35
_journal_year                    2016
_chemical_formula_sum            'C30 H40 Au2 Cl2 N6'
_chemical_formula_weight         949.51
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 91.597(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.423(4)
_cell_length_b                   16.260(4)
_cell_length_c                   15.290(4)
_cell_measurement_reflns_used    3958
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      25.15
_cell_measurement_theta_min      1.52
_cell_volume                     3335.9(16)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker Smart AXS'
_diffrn_measurement_method       'omega 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  0.1013
_diffrn_reflns_av_sigmaI/netI    0.0813
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            26968
_diffrn_reflns_theta_full        25.15
_diffrn_reflns_theta_max         25.15
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    8.974
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.4390
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Blessing, 1995'
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.891
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1816
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.553
_refine_diff_density_min         -1.484
_refine_diff_density_rms         0.281
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     363
_refine_ls_number_reflns         5944
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0905
_refine_ls_R_factor_gt           0.0420
_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^)+(0.0612P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0931
_refine_ls_wR_factor_ref         0.1247
_reflns_number_gt                3958
_reflns_number_total             5944
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            om6b00675_si_002.cif
_cod_data_source_block           sar517m
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4089058