Alkali-metal-mediated zincation (AMMZn) meets N-heterocyclic carbene (NHC) chemistry: Zn‒H exchange reactions and structural authentication of a dinuclear Au(i) complex with a NHC anion
Armstrong, David R.; Baillie, Sharon E.; Blair, Victoria L.; Chabloz, Nicolas G.; Diez, Josefina; Garcia-Alvarez, Joaquin; Kennedy, Alan R.; Robertson, Stuart D.; Hevia, Eva; Chemical Science 4 (2013) 4259–; doi:10.1039/c3sc52101j

data_1514739
_publ_section_title
;
 Alkali-metal-mediated zincation (AMMZn) meets N-heterocyclic carbene
 (NHC) chemistry: Zn--H exchange reactions and structural authentication
 of a dinuclear Au(i) complex with a NHC anion
;
_journal_issue                   11
_journal_name_full               'Chemical Science'
_journal_page_first              4259
_journal_paper_doi               10.1039/c3sc52101j
_journal_volume                  4
_journal_year                    2013
_chemical_formula_sum            'C35 H54 N2 Zn'
_chemical_formula_weight         568.17
_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                90.336(4)
_cell_angle_beta                 103.989(4)
_cell_angle_gamma                118.932(5)
_cell_formula_units_Z            2
_cell_length_a                   9.7795(5)
_cell_length_b                   10.1033(5)
_cell_length_c                   20.1669(8)
_cell_measurement_reflns_used    8451
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      69.1158
_cell_measurement_theta_min      3.9471
_cell_volume                     1674.40(17)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'Oxford Diffraction Gemini S'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54180
_diffrn_reflns_av_R_equivalents  0.0157
_diffrn_reflns_av_sigmaI/netI    0.0312
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            11997
_diffrn_reflns_theta_full        69.04
_diffrn_reflns_theta_max         69.04
_diffrn_reflns_theta_min         5.05
_exptl_absorpt_coefficient_mu    1.173
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.82536
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.34.46 (release 25-11-2010 CrysAlis171 .NET)
(compiled Nov 25 2010,17:55:46)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.127
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.792
_refine_diff_density_min         -0.405
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     365
_refine_ls_number_reflns         6087
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0425
_refine_ls_R_factor_gt           0.0388
_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^)+(0.0347P)^2^+1.2491P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0963
_refine_ls_wR_factor_ref         0.0989
_reflns_number_gt                5646
_reflns_number_total             6087
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c3sc52101j.txt
_cod_data_source_block           seb549r
_cod_original_cell_volume        1674.40(14)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1514739