Two one-dimensional linear zinc(II) polymers: <i>catena</i>-poly[[[2,6-bis(1<i>H</i>-benzimidazol-2-yl-κ<i>N</i>^3^)pyridine]zinc(II)]-μ-pyridine-2,4-dicarboxylato-κ^2^<i>O</i>^2^:<i>O</i>^4^] and <i>catena</i>-poly[[[2,6-bis(1<i>H</i>-benzimidazol-2-yl-κ<i>N</i>^3^)pyridine]zinc(II)]-μ-pyridine-2,5-dicarboxylato-κ^2^<i>O</i>^2^:<i>O</i>^5^]
Xiang, Jing; Acta Crystallographica Section C 69 (2013) 750–753; doi:10.1107/S0108270113016168

data_2019071
_publ_section_title
;
 Two one-dimensional linear zinc(II) polymers:
 <i>catena</i>-poly[[[2,6-bis(1<i>H</i>-benzimidazol-2-yl-\k<i>N</i>^3^)pyridine]zinc(II)]-\m-pyridine-2,4-dicarboxylato-\k^2^<i>O</i>^2^:<i>O</i>^4^]
 and
 <i>catena</i>-poly[[[2,6-bis(1<i>H</i>-benzimidazol-2-yl-\k<i>N</i>^3^)pyridine]zinc(II)]-\m-pyridine-2,5-dicarboxylato-\k^2^<i>O</i>^2^:<i>O</i>^5^]
;
_journal_coeditor_code           YP3033
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              750
_journal_page_last               753
_journal_paper_doi               10.1107/S0108270113016168
_journal_volume                  69
_journal_year                    2013
_chemical_formula_iupac          '[Zn (C7 H3 N O4) (C19 H13 N5 )]'
_chemical_formula_sum            'C26 H16 N6 O4 Zn'
_chemical_formula_weight         541.82
_chemical_name_systematic
<i>catena</i>-Poly[[[2,6-bis(1<i>H</i>-benzimidazol-2-yl-\k<i>N</i>^3^)pyridine]zinc(II)]-\m-pyridine-2,4-dicarboxylato-\k^2^<i>O</i>^2^:<i>O</i>^4^]
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 101.309(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.3782(6)
_cell_length_b                   18.1569(19)
_cell_length_c                   14.7588(15)
_cell_measurement_reflns_used    1463
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.5397
_cell_measurement_theta_min      2.6431
_cell_volume                     2201.5(4)
_computing_cell_refinement       'SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXS97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX area-dectector'
_diffrn_measurement_method       '\f and \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  0.0460
_diffrn_reflns_av_sigmaI/netI    0.0723
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            6495
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         2.65
_exptl_absorpt_coefficient_mu    1.166
_exptl_absorpt_correction_T_max  0.840
_exptl_absorpt_correction_T_min  0.756
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.635
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.442
_refine_diff_density_min         -0.334
_refine_ls_abs_structure_details 'Flack (1983), 1602 Friedel pairs'
_refine_ls_abs_structure_Flack   -0.014(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         3490
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0503
_refine_ls_R_factor_gt           0.0392
_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^)+(0.0181P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0692
_refine_ls_wR_factor_ref         0.0739
_reflns_number_gt                3041
_reflns_number_total             3858
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            yp3033.cif
_cod_data_source_block           I
_cod_original_cell_volume        2201.6(4)
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               2019071
_cod_database_fobs_code          2019071