Mono- and Dinuclear Ag(I), Au(I), and Au(III) Metallamacrocycles Containing N-Heterocyclic Dicarbene Ligands
Juan Gil-Rubio; Verónica Cámara; Delia Bautista; José Vicente; Inorganic Chemistry 52 (2013) 4071–4083; doi:10.1021/ic400184p

data_4334384
_publ_section_title
;
 Mono- and Dinuclear Ag(I), Au(I), and Au(III) Metallamacrocycles
 Containing N-Heterocyclic Dicarbene Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4071
_journal_page_last               4083
_journal_paper_doi               10.1021/ic400184p
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'C16 H26 Ag0.5 Au Br1.5 N4'
_chemical_formula_weight         645.17
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 105.3340(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   10.4272(7)
_cell_length_b                   20.5217(15)
_cell_length_c                   19.2561(14)
_cell_measurement_reflns_used    7264
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.497
_cell_measurement_theta_min      2.25
_cell_volume                     3973.8(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.945
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       \w-scan
_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  0.0395
_diffrn_reflns_av_sigmaI/netI    0.0329
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            24143
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         28.71
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    10.903
_exptl_absorpt_correction_T_max  0.6117
_exptl_absorpt_correction_T_min  0.4305
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourles
_exptl_crystal_density_diffrn    2.157
_exptl_crystal_description       block
_exptl_crystal_F_000             2440
_exptl_crystal_size_max          0.11
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.344
_refine_diff_density_min         -0.908
_refine_diff_density_rms         0.151
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    'rigid methyls, others riding'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         4860
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0340
_refine_ls_R_factor_gt           0.0272
_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^)+(0.0260P)^2^+10.8934P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0572
_refine_ls_wR_factor_ref         0.0592
_reflns_number_gt                4232
_reflns_number_total             4860
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic400184p_si_002_4.cif
_cod_data_source_block           vch306ds
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'C16 H26 Ag0.50 Au Br1.50 N4'
_cod_database_code               4334384