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_7005899
_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         'C18 H14 Ag3 N12 O, 3(C F3 O3 S) '
_chemical_formula_sum            'C21 H14 Ag3 F9 N12 O10 S3'
_chemical_formula_weight         1185.23
_chemical_name_common
;
Silver(i) Trifluorometanesulfonate Complex with
Pyridazino(4,5-d)pyridazine, Solvate with 0.33 Water
;
_chemical_name_systematic
;
Silver(I) Trifluorometanesulfonate Complex with Pyridazino[4,5-d]pyridazine,
Solvate with 0.33 Water
;
_space_group_IT_number           161
_space_group_name_Hall           'R 3 -2"c'
_space_group_name_H-M_alt        'R 3 c :H'
_symmetry_cell_setting           trigonal
_symmetry_Int_Tables_number      161
_symmetry_space_group_name_Hall  'R 3 -2"c'
_symmetry_space_group_name_H-M   'R 3 c :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            6
_cell_length_a                   15.6887(9)
_cell_length_b                   15.6887(9)
_cell_length_c                   24.4805(18)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      27.87
_cell_measurement_theta_min      4.30
_cell_volume                     5218.2(6)
_computing_cell_refinement       'IPDS Software (Stoe&Cie, 2000)'
_computing_data_collection       'IPDS Software (Stoe&Cie, 2000)'
_computing_data_reduction        'IPDS Software (Stoe&Cie, 2000)'
_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      213(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Stoe Imaging plate diffraction system'
_diffrn_measurement_method       '\f oscillation 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  0.0376
_diffrn_reflns_av_sigmaI/netI    0.0329
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            10789
_diffrn_reflns_theta_full        27.87
_diffrn_reflns_theta_max         27.87
_diffrn_reflns_theta_min         4.30
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    1.972
_exptl_absorpt_correction_T_max  0.8489
_exptl_absorpt_correction_T_min  0.7698
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details   'DIFABS, (Walker & Stuart, 1983)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.263
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3444
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.239
_refine_diff_density_min         -0.858
_refine_diff_density_rms         0.097
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.42(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.938
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     176
_refine_ls_number_reflns         2695
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.937
_refine_ls_R_factor_all          0.0499
_refine_ls_R_factor_gt           0.0315
_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^)+(0.0486P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0768
_refine_ls_wR_factor_ref         0.0806
_reflns_number_gt                1790
_reflns_number_total             2695
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b706731c.txt
_cod_data_source_block           (3)
_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 -2"c '
_cod_original_sg_symbol_H-M      'R 3 c '
_cod_database_code               7005899