Synthesis of polynuclear Ag(i) and Au(i) complexes from macrocyclic tetraimidazolium salts.
Schulte To Brinke, Christian; Pape, Tania; Hahn, F. Ekkehardt; Dalton transactions (Cambridge, England : 2003) 42 (2013) 7330–7337; doi:10.1039/c2dt32905k

data_7021135
_publ_section_title
;
 Synthesis of polynuclear Ag(i) and Au(i) complexes from macrocyclic
 tetraimidazolium salts.
;
_journal_issue                   20
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7330
_journal_page_last               7337
_journal_paper_doi               10.1039/c2dt32905k
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C36 H56 Br4 N8 O6'
_chemical_formula_weight         1016.53
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 107.397(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.0020(4)
_cell_length_b                   19.5502(6)
_cell_length_c                   9.0187(3)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      75
_cell_measurement_theta_min      1
_cell_volume                     2187.61(12)
_computing_cell_refinement       'SAINT (Bruker AXS, 2000)'
_computing_data_collection       'SMART (Bruker AXS, 2000)'
_computing_data_reduction        'SAINT,SADABS (Bruker AXS, 2000)'
_computing_molecular_graphics
;
ORTEP3,L.J. Farrugia, J. Appl. Cryst. (1997) 30, 565
;
_computing_publication_material
;
Brucker SHELXTL
;
_computing_structure_refinement
;
SHELXL-97, G. M. Sheldrick, Acta Cryst. (2008) A64, 112-122
;
_computing_structure_solution
;
SHELXS-97 , G. M. Sheldrick, Acta Cryst. (2008) A64, 112-122
;
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 80
_diffrn_measured_fraction_theta_full 0.899
_diffrn_measured_fraction_theta_max 0.899
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'Omega and Phi scans'
_diffrn_radiation_monochromator  goebel-mirror
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0511
_diffrn_reflns_av_sigmaI/netI    0.0635
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            10315
_diffrn_reflns_theta_full        72.40
_diffrn_reflns_theta_max         72.40
_diffrn_reflns_theta_min         3.56
_exptl_absorpt_coefficient_mu    4.908
_exptl_absorpt_correction_T_max  0.8279
_exptl_absorpt_correction_T_min  0.6143
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Corrections were done with the SADABS program, utilizing the none merged
raw data obtained from the integration process. Integration and final cell
refinement were done with SAINT.
SADABS reports ratio of Tmin/Tmax = 0.702899
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.543
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'transparent prism'
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.11
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.164
_refine_diff_density_min         -0.846
_refine_diff_density_rms         0.108
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     250
_refine_ls_number_reflns         3889
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0512
_refine_ls_R_factor_gt           0.0455
_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^)+(0.0543P)^2^+3.5266P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1204
_refine_ls_wR_factor_ref         0.1247
_reflns_number_gt                3433
_reflns_number_total             3889
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt32905k.txt
_cod_data_source_block           sad
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7021135