Aurophilic attractions: one cation, [Au{C(OMe)NMeH}2]+, but three different structural arrangements in the solid state salts
Jiang, Feilong; Olmstead, Marilyn M.; Balch, Alan L.; Journal of the Chemical Society, Dalton Transactions  (2000) 4098–; doi:10.1039/b005684g

data_7010072
_publ_section_title
;
 Aurophilic attractions: one cation, [Au{C(OMe)NMeH}2]+, but three
 different structural arrangements in the solid state salts
;
_journal_issue                   22
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              4098
_journal_paper_doi               10.1039/b005684g
_journal_year                    2000
_chemical_formula_sum            'C8 H14 Au F3 N2 O4'
_chemical_formula_weight         456.18
_chemical_name_common            '[Au(CH3OCNHCH3)2][CF3COO]'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.5408(3)
_cell_length_b                   13.5187(7)
_cell_length_c                   14.8583(8)
_cell_measurement_reflns_used    4721
_cell_measurement_temperature    89(2)
_cell_measurement_theta_max      31.4
_cell_measurement_theta_min      2.7
_cell_volume                     1313.82(12)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'SHELXTL 5.03, XP (Sheldrick, 1994)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      89(2)
_diffrn_measured_fraction_theta_full 0.967
_diffrn_measured_fraction_theta_max 0.967
_diffrn_measurement_device_type  'Bruker SMART 1000'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0145
_diffrn_reflns_av_sigmaI/netI    0.0197
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            18055
_diffrn_reflns_theta_full        31.50
_diffrn_reflns_theta_max         31.50
_diffrn_reflns_theta_min         3.01
_diffrn_standards_decay_%        <0.1
_diffrn_standards_number         '50 frames remeasured'
_exptl_absorpt_coefficient_mu    11.242
_exptl_absorpt_correction_T_max  0.5519
_exptl_absorpt_correction_T_min  0.1334
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'sadabs 2.0'
_exptl_crystal_colour            'pale yellow/green'
_exptl_crystal_density_diffrn    2.306
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.090
_refine_diff_density_min         -1.006
_refine_diff_density_rms         0.119
_refine_ls_extinction_coef       'three reflections omitted'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     96
_refine_ls_number_reflns         2192
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0202
_refine_ls_R_factor_gt           0.0171
_refine_ls_shift/su_max          0.021
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0172P)^2^+1.3293P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0395
_refine_ls_wR_factor_ref         0.0405
_reflns_number_gt                2003
_reflns_number_total             2192
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b005684g.txt
_cod_data_source_block           mn1067
_cod_original_sg_symbol_H-M      Pnma
_cod_database_code               7010072