Silver(I) ions bridged by pyridazine: doubling the ligand functionality for the design of unusual 3D coordination frameworks.
Konstantin V. Domasevitch; Pavlo V. Solntsev; Il'ya A. Gural'skiy; Harald Krautscheid; Eduard B. Rusanov; Alexander N. Chernega; Judith A. K. Howard; Dalton transactions (Cambridge, England : 2003)  (2007) 3893–3905; doi:10.1039/b706731c

data_7005908
_publ_section_title
;
 Silver(I) ions bridged by pyridazine: doubling the ligand
 functionality for the design of unusual 3D coordination frameworks.
;
_journal_issue                   35
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3893
_journal_page_last               3905
_journal_paper_doi               10.1039/b706731c
_journal_year                    2007
_chemical_formula_moiety         'C16 H6 Ag2 F14 N4 O4'
_chemical_formula_sum            'C16 H6 Ag2 F14 N4 O4'
_chemical_formula_weight         799.99
_chemical_name_common
;Silver(i) Heptafluorobutyrate 2:1 Complex with 4,4'-
Bipyridazine
;
_chemical_name_systematic
;
Silver(I) Heptafluorobutyrate 2:1 Complex with 4,4'-Bipyridazine
;
_space_group_IT_number           148
_space_group_name_Hall           '-R 3'
_space_group_name_H-M_alt        'R -3 :H'
_symmetry_cell_setting           trigonal
_symmetry_Int_Tables_number      148
_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            9
_cell_length_a                   28.4273(11)
_cell_length_b                   28.4273(11)
_cell_length_c                   7.5353(3)
_cell_measurement_reflns_used    22669
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      28.68
_cell_measurement_theta_min      5.48
_cell_volume                     5273.5(4)
_computing_cell_refinement       'SMART-NT (Bruker, 1998)'
_computing_data_collection       'SMART-NT (Bruker, 1998)'
_computing_data_reduction        'SMART-NT (Bruker, 1998)'
_computing_molecular_graphics    'Diamond 2.1e (Brandenburg, 1999)'
_computing_publication_material  'WinGX 1.700.00 (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker Apex CCD area-detector diffractometer'
_diffrn_measurement_method       '\w 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  0.0252
_diffrn_reflns_av_sigmaI/netI    0.0140
_diffrn_reflns_limit_h_max       38
_diffrn_reflns_limit_h_min       -38
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            22669
_diffrn_reflns_theta_full        28.68
_diffrn_reflns_theta_max         28.68
_diffrn_reflns_theta_min         5.48
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    1.815
_exptl_absorpt_correction_T_max  0.8116
_exptl_absorpt_correction_T_min  0.7138
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1999)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.267
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3438
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.890
_refine_diff_density_min         -0.777
_refine_diff_density_rms         0.119
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.108
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         3002
_refine_ls_number_restraints     107
_refine_ls_restrained_S_all      1.151
_refine_ls_R_factor_all          0.0533
_refine_ls_R_factor_gt           0.0461
_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^)+(0.1015P)^2^+12.7678P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1507
_refine_ls_wR_factor_ref         0.1575
_reflns_number_gt                2541
_reflns_number_total             3002
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b706731c.txt
_cod_data_source_block           (12)
_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_Hall     '-R 3 '
_cod_original_sg_symbol_H-M      'R -3 '
_cod_database_code               7005908