Synthesis and structures of compounds of Groups 11 and 12 containing the ligand C(SiMe3)2(SiMe2C5H4N-2)
Eaborn, Colin; Hill, Michael S.; Hitchcock, Peter B.; Smith, J. David; Journal of the Chemical Society, Dalton Transactions  (2002) 2467–; doi:10.1039/b200473a

data_7011477
_publ_section_title
;
 Synthesis and structures of compounds of Groups 11 and 12 containing
 the ligand C(SiMe3)2(SiMe2C5H4N-2)
;
_journal_issue                   12
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              2467
_journal_paper_doi               10.1039/b200473a
_journal_year                    2002
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C26 H56 Au2 N2 Si6'
_chemical_formula_structural     'C26 H56 AU2 N2 SI6'
_chemical_formula_sum            'C26 H56 Au2 N2 Si6'
_chemical_formula_weight         959.2
_chemical_name_common            '[{Au(C(SiMe3)2(SiMe2C5H4N)}2]'
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      29
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location
ftp://ftp.iucr.org/cifdics/cif_core_2.1beta5.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.1beta5
_audit_creation_date             2000-01-21T17:19:38-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   20.7045(6)
_cell_length_b                   11.9894(3)
_cell_length_c                   32.9397(5)
_cell_measurement_reflns_used    60337
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      21.967
_cell_measurement_theta_min      4.529
_cell_measurement_wavelength     0.71073
_cell_volume                     8176.8(3)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device       KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0817
_diffrn_reflns_av_sigmaI/netI    0.0774
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            27361
_diffrn_reflns_theta_full        21.96
_diffrn_reflns_theta_max         21.96
_diffrn_reflns_theta_min         4.53
_exptl_absorpt_coefficient_mu    7.361
_exptl_absorpt_correction_T_max  0.4169
_exptl_absorpt_correction_T_min  0.3236
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.558
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3744
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.963
_refine_diff_density_min         -1.991
_refine_diff_density_rms         0.266
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.278(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.13
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     403
_refine_ls_number_reflns         9715
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.13
_refine_ls_R_factor_all          0.0836
_refine_ls_R_factor_gt           0.0758
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0353P)^2^+451.1801P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1764
_refine_ls_wR_factor_ref         0.1809
_reflns_number_gt                8892
_reflns_number_total             9715
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b200473a.txt
_cod_data_source_block           ce-jds-3
_cod_original_sg_symbol_H-M      Pca21
_cod_database_code               7011477