Preparative Routes to the First Tri- and Tetra(alkynyl)gold(III) Compounds: (L)Au(C⋮CR) <sub>3</sub> and [ER <sub>4</sub> ] <sup>+</sup> [Au(C⋮CR) <sub>4</sub> ] <sup>-</sup>
Schuster, Oliver; Schmidbaur, Hubert; Organometallics 24 (2005) 2289–2296; doi:10.1021/om050038q

data_1100832
_publ_section_title
;
 Preparative Routes to the First Tri- and Tetra(alkynyl)gold(III)
 Compounds:&#x2009; (L)Au(C&#x22EE;CR) <sub>3</sub> and [ER <sub>4</sub> ]
 <sup>+</sup> [Au(C&#x22EE;CR) <sub>4</sub> ] <sup>-</sup>
;
_journal_issue                   10
_journal_name_full               Organometallics
_journal_page_first              2289
_journal_page_last               2296
_journal_paper_doi               10.1021/om050038q
_journal_volume                  24
_journal_year                    2005
_chemical_formula_sum            'C82 H106 Au2 Cl4 N2'
_chemical_formula_weight         1655.42
_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
_cell_angle_alpha                78.1633(12)
_cell_angle_beta                 84.1125(13)
_cell_angle_gamma                78.1765(19)
_cell_formula_units_Z            1
_cell_length_a                   8.9747(2)
_cell_length_b                   12.4383(3)
_cell_length_c                   17.9334(5)
_cell_measurement_reflns_used    53832
_cell_measurement_temperature    143(2)
_cell_measurement_theta_max      ?
_cell_measurement_theta_min      ?
_cell_volume                     1913.93(8)
_diffrn_ambient_temperature      143(2)
_diffrn_detector_area_resol_mean ?
_diffrn_measurement_device_type  'NONIUS DIP 2020'
_diffrn_measurement_method       phi-rotation
_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  0.0615
_diffrn_reflns_av_sigmaI/netI    0.0513
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            25970
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.32
_diffrn_standards_decay_%        ?
_diffrn_standards_interval_count ?
_diffrn_standards_interval_time  ?
_diffrn_standards_number         ?
_exptl_absorpt_coefficient_mu    4.011
_exptl_absorpt_correction_T_max  0.797
_exptl_absorpt_correction_T_min  0.404
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
Platon Delabs
(See: Walker, N. & Stuart, D. (1983) Acta Cryst. A39, 158-166)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.436
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             838
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     413
_refine_ls_number_reflns         6583
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0668
_refine_ls_R_factor_gt           0.0400
_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^)+(0.0136P)^2^+4.6269P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0763
_refine_ls_wR_factor_ref         0.0848
_reflns_number_gt                4641
_reflns_number_total             6583
_reflns_threshold_expression     >2sigma(I)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1100832