Flexible porous coordination polymers constructed from 1,2-bis(4-pyridyl)hydrazine via solvothermal in situ reduction of 4,4'-azopyridine.
Liu, Xiao-Min; Xie, Lin-Hua; Lin, Jian-Bin; Lin, Rui-Biao; Zhang, Jie-Peng; Chen, Xiao-Ming; Dalton transactions (Cambridge, England : 2003) 40 (2011) 8549–8554; doi:10.1039/c1dt10682a

data_7016507
_publ_section_title
;
 Flexible porous coordination polymers constructed from
 1,2-bis(4-pyridyl)hydrazine via solvothermal in situ reduction of
 4,4'-azopyridine.
;
_journal_issue                   34
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8549
_journal_page_last               8554
_journal_paper_doi               10.1039/c1dt10682a
_journal_volume                  40
_journal_year                    2011
_chemical_formula_sum            'C20 H22 N4 O6 Zn'
_chemical_formula_weight         479.79
_chemical_name_systematic
;
?
;
_space_group_IT_number           52
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2a 2bc'
_symmetry_space_group_name_H-M   'P n n a'
_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                   29.50(2)
_cell_length_b                   14.724(13)
_cell_length_c                   10.274(9)
_cell_measurement_temperature    293(2)
_cell_volume                     4463(6)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_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  0.0697
_diffrn_reflns_av_sigmaI/netI    0.0959
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -36
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            15206
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.38
_exptl_absorpt_coefficient_mu    1.143
_exptl_absorpt_correction_T_max  0.8121
_exptl_absorpt_correction_T_min  0.7631
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Blessing, R. H. (1995) Acta Cryst. A51, 33-38.'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.428
_exptl_crystal_description       block
_exptl_crystal_F_000             1984
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.19
_platon_squeeze_details
;
;
_refine_diff_density_max         0.308
_refine_diff_density_min         -0.320
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         4324
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.1532
_refine_ls_R_factor_gt           0.0600
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0580P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1476
_refine_ls_wR_factor_ref         0.1677
_reflns_number_gt                1660
_reflns_number_total             4324
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10682a.txt
_cod_data_source_block           1b
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        4463(7)
_cod_original_sg_symbol_H-M      Pnna
_cod_database_code               7016507