A hamburger-shaped helical stacking of disk-shaped ligands mediated by silver(II) ions.
Lee, Ho Yong; Park, Jaejoon; Lah, Myoung Soo; Hong, Jong-In; Chemical communications (Cambridge, England)  (2007) 5013–5015; doi:10.1039/b712717k

data_7102343
_publ_section_title
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 A hamburger-shaped helical stacking of disk-shaped ligands mediated by
 silver(II) ions.
;
_journal_issue                   47
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              5013
_journal_page_last               5015
_journal_paper_doi               10.1039/b712717k
_journal_year                    2007
_chemical_absolute_configuration rmad
_chemical_formula_sum            'C99 H81 Ag6 F9 N12 O18 S3'
_chemical_formula_weight         2641.16
_space_group_IT_number           146
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_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                120.00
_cell_formula_units_Z            3
_cell_length_a                   25.470(4)
_cell_length_b                   25.470(4)
_cell_length_c                   13.028(3)
_cell_measurement_reflns_used    26304
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      30.29
_cell_measurement_theta_min      1.79
_cell_volume                     7319(2)
_computing_cell_refinement       HKL2000
_computing_data_collection       'PAL ADSC Quantum-210 ADX Program'
_computing_data_reduction        HKL2000
_computing_molecular_graphics    ORTEP3
_computing_publication_material  WinGX
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      93(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi scans'
_diffrn_radiation_monochromator  'Silicon double crystal monochromator'
_diffrn_radiation_source         PAL
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.70000
_diffrn_reflns_av_R_equivalents  0.0643
_diffrn_reflns_av_sigmaI/netI    0.0536
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -36
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            26304
_diffrn_reflns_theta_full        30.29
_diffrn_reflns_theta_max         30.29
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    1.337
_exptl_absorpt_correction_T_max  0.8779
_exptl_absorpt_correction_T_min  0.8246
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   HKL2000-Scalepack
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.798
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3942
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.267
_refine_diff_density_min         -1.980
_refine_diff_density_rms         0.143
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.015(19)
_refine_ls_extinction_coef       0.00351(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     445
_refine_ls_number_reflns         10160
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0432
_refine_ls_R_factor_gt           0.0421
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0694P)^2^+9.1207P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1099
_refine_ls_wR_factor_ref         0.1112
_reflns_number_gt                9868
_reflns_number_total             10160
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b712717k.txt
_cod_data_source_block           p6_10ro
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal' according
to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      R3
_cod_database_code               7102343