Argentivorous molecules: structural evidence for Ag(+)-π interactions in solution.
Habata, Yoichi; Ikeda, Mari; Yamada, Sachiko; Takahashi, Hiroki; Ueno, Sumiko; Suzuki, Takatoshi; Kuwahara, Shunsuke; Organic letters 14 (2012) 4576–4579; doi:10.1021/ol3019538

data_1508607
_publ_section_title
;
 Argentivorous molecules: structural evidence for Ag(+)-\p interactions in
 solution.
;
_journal_issue                   17
_journal_name_full               'Organic letters'
_journal_page_first              4576
_journal_page_last               4579
_journal_paper_doi               10.1021/ol3019538
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C75 H76 Ag2 F22 N8 O7 S2'
_chemical_formula_weight         1899.30
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           110
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I 4bw -2c'
_symmetry_space_group_name_H-M   'I 41 c d'
_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            8
_cell_length_a                   19.454(4)
_cell_length_b                   19.454(4)
_cell_length_c                   39.146(8)
_cell_measurement_temperature    273
_cell_volume                     14815(5)
_computing_cell_refinement       'Bruker SMART'
_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      273
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.947
_diffrn_measured_fraction_theta_max 0.947
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0485
_diffrn_reflns_av_sigmaI/netI    0.0354
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -45
_diffrn_reflns_number            24486
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    0.703
_exptl_absorpt_correction_T_max  0.7568
_exptl_absorpt_correction_T_min  0.7028
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS; Sheldrick, 1996'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.703
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             7696
_exptl_crystal_size_max          0.54
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.42
_refine_diff_density_max         1.911
_refine_diff_density_min         -2.471
_refine_diff_density_rms         0.289
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.40(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     533
_refine_ls_number_reflns         7451
_refine_ls_number_restraints     420
_refine_ls_restrained_S_all      1.105
_refine_ls_R_factor_all          0.0834
_refine_ls_R_factor_gt           0.0719
_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^)+(0.1639P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2011
_refine_ls_wR_factor_ref         0.2130
_reflns_number_gt                5936
_reflns_number_total             7451
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol3019538_si_002.cif
_cod_data_source_block           2a/AgOTf
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        14816(6)
_cod_original_sg_symbol_H-M      I4(1)cd
_cod_database_code               1508607