4,4'-Bipyridazine: a new twist for the synthesis of coordination polymers.
Konstantin V. Domasevitch; Il'ya A. Gural'skiy; Pavlo V. Solntsev; Eduard B. Rusanov; Harald Krautscheid; Judith A. K. Howard; Alexander N. Chernega; Dalton transactions (Cambridge, England : 2003)  (2007) 3140–3148; doi:10.1039/b703911e

data_7005648
_publ_section_title
;
 4,4'-Bipyridazine: a new twist for the synthesis of coordination
 polymers.
;
_journal_issue                   29
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3140
_journal_page_last               3148
_journal_paper_doi               10.1039/b703911e
_journal_year                    2007
_chemical_formula_moiety         'C16 H16 Cu N8 O2, O6 S2'
_chemical_formula_sum            'C16 H16 Cu N8 O8 S2'
_chemical_formula_weight         576.03
_chemical_name_common
;Copper(ii) Dithionate 1:2 Complex with 4,4'-Bipyridazine,
Dihydrate
;
_chemical_name_systematic
;
Copper(II) Dithionate 1:2 Complex with 4,4'-Bipyridazine, Dihydrate
;
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      33
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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            4
_cell_length_a                   15.1065(13)
_cell_length_b                   11.8885(9)
_cell_length_c                   11.0631(10)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      28.08
_cell_measurement_theta_min      2.51
_cell_volume                     1986.9(3)
_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 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0465
_diffrn_reflns_av_sigmaI/netI    0.0458
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            14287
_diffrn_reflns_theta_full        28.08
_diffrn_reflns_theta_max         28.08
_diffrn_reflns_theta_min         2.51
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    1.380
_exptl_absorpt_correction_T_max  0.7893
_exptl_absorpt_correction_T_min  0.6950
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details   'DIFABS, (Walker & Stuart, 1983)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.926
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1172
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.788
_refine_diff_density_min         -0.482
_refine_diff_density_rms         0.114
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.38(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         4759
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0506
_refine_ls_R_factor_gt           0.0438
_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^)+(0.0506P)^2^+3.2575P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1053
_refine_ls_wR_factor_ref         0.1068
_reflns_number_gt                4051
_reflns_number_total             4759
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b703911e.txt
_cod_data_source_block           (3)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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     'P 2c -2n '
_cod_original_sg_symbol_H-M      'Pna2(1) '
_cod_database_code               7005648