Can 4,4′-bipyridine N,N’-dioxide play the same important role as 4,4′-bipyridine in the construction of metal coordination networks and crystal engineering?
Long, De-Liang; Blake, Alexander J.; Champness, Neil R.; Schröder, Martin; Chemical Communications  (2000) 2273–; doi:10.1039/b006679f

data_7111101
_publ_section_title
;
 Can 4,4&#x2032;-bipyridine N,N&#x2019;-dioxide play the same important
 role as 4,4&#x2032;-bipyridine in the construction of metal coordination
 networks and crystal engineering?
;
_journal_issue                   22
_journal_name_full               'Chemical Communications'
_journal_page_first              2273
_journal_paper_doi               10.1039/b006679f
_journal_year                    2000
_chemical_formula_sum            'C60 H48 N14 O18 Zn'
_chemical_formula_weight         1318.49
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   'difference Fourier methods'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                104.589(6)
_cell_angle_beta                 96.265(6)
_cell_angle_gamma                99.082(6)
_cell_formula_units_Z            1
_cell_length_a                   8.8202(9)
_cell_length_b                   11.6805(10)
_cell_length_c                   14.006(2)
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_cell_volume                     1362.1(3)
_computing_cell_refinement       'DENZO and COLLECT'
_computing_data_collection
'DENZO (Otwinowski & Minor, 1997); COLLECT (Hooft, 1998)'
_computing_data_reduction        'DENZO and COLLECT'
_computing_molecular_graphics    'SHELXTL/PC v5.03 (Sheldrick, 1994)'
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_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'Enraf Nonius KappaCCD 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  0.0994
_diffrn_reflns_av_sigmaI/netI    0.1437
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
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_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
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_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         1.84
_diffrn_standards_decay_%        none
_diffrn_standards_number         0
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_exptl_absorpt_process_details
;
Using multiple and symmetry-related data measurements
via the program SORTAV. (Blessing, 1995)
;
_exptl_crystal_colour            colourless
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_exptl_crystal_density_meas      ?
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_exptl_crystal_description       block
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_refine_diff_density_max         1.36
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_refine_ls_extinction_coef       0.0044(14)
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_refine_ls_extinction_method     SHELXL
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_refine_ls_R_factor_all          0.145
_refine_ls_R_factor_gt           0.069
_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^)+(0.0859P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.146
_refine_ls_wR_factor_ref         0.179
_reflns_number_gt                3378
_reflns_number_total             6140
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b006679fsup1.cif
_cod_data_source_block           ZNPYNT
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 

The following automatic conversions were performed:

'_atom_sites_solution_hydrogens' value 'placed geometrically' was
changed to 'geom'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7111101