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_1100831
_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            'C32 H46 Au N'
_chemical_formula_weight         641.66
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   17.27720(10)
_cell_length_b                   18.3213(2)
_cell_length_c                   18.6586(2)
_cell_measurement_reflns_used    124873
_cell_measurement_temperature    143(2)
_cell_measurement_theta_max      ?
_cell_measurement_theta_min      ?
_cell_volume                     5906.21(10)
_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  0.072
_diffrn_reflns_av_sigmaI/netI    0.0223
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            124873
_diffrn_reflns_theta_max         25.40
_diffrn_reflns_theta_min         2.36
_diffrn_standards_decay_%        ?
_diffrn_standards_interval_count ?
_diffrn_standards_interval_time  ?
_diffrn_standards_number         ?
_exptl_absorpt_coefficient_mu    5.000
_exptl_absorpt_correction_T_max  0.743
_exptl_absorpt_correction_T_min  0.305
_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    1.443
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2592
_exptl_crystal_size_max          1.00
_exptl_crystal_size_mid          1.00
_exptl_crystal_size_min          0.20
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     311
_refine_ls_number_reflns         5427
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0426
_refine_ls_R_factor_gt           0.0400
_refine_ls_shift/su_max          0.070
_refine_ls_shift/su_mean         0.011
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0895P)^2^+6.5974P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1229
_refine_ls_wR_factor_ref         0.1260
_reflns_number_gt                5040
_reflns_number_total             5427
_reflns_threshold_expression     >2sigma(I)
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               1100831