Poly[[hexaaqua(μ~3~-2,2'-bipyridine-4,4',6,6'-tetracarboxylato-κ^6^<i>O</i>^4^:<i>N</i>,<i>O</i>^6^,<i>O</i>^6'^,<i>N</i>':<i>O</i>^4'^)dinickel(II)] dihydrate]
Li, Jie; Lei, Ke-Wei; Xia, Dong-Guo; Acta Crystallographica Section E 68 (2012) m1421–; doi:10.1107/S1600536812043942

data_2236574
_publ_section_title
;
 Poly[[hexaaqua(\m~3~-2,2'-bipyridine-4,4',6,6'-tetracarboxylato-\k^6^<i>O</i>^4^:<i>N</i>,<i>O</i>^6^,<i>O</i>^6'^,<i>N</i>':<i>O</i>^4'^)dinickel(II)]
 dihydrate]
;
_journal_coeditor_code           RK2355
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m1421
_journal_paper_doi               10.1107/S1600536812043942
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          '[Ni2 (C14 H4 N2 O8) (H2 O)6], 2H2 O'
_chemical_formula_moiety         'C14 H16 N2 Ni2 O14, 2(H2 O)'
_chemical_formula_sum            'C14 H20 N2 Ni2 O16'
_chemical_formula_weight         589.70
_chemical_name_systematic
;
Poly[[hexaaqua(\m~3~-2,2'-bipyridine-4,4',6,6'-tetracarboxylato-
\k^6^<i>O</i>^4^:<i>N</i>,<i>O</i>^6^,<i>O</i>^6'^,<i>N</i>':<i>O</i>^4'^)
dinickel(II)] dihydrate]
;
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yac'
_symmetry_space_group_name_H-M   'P 1 2/n 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                 99.1840(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.3588(8)
_cell_length_b                   11.8463(13)
_cell_length_c                   11.9942(13)
_cell_measurement_reflns_used    8794
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1.7
_cell_volume                     1032.19(19)
_computing_cell_refinement       '<i>RAPID-AUTO</i> (Rigaku, 1998)'
_computing_data_collection       '<i>RAPID-AUTO</i> (Rigaku, 1998)'
_computing_data_reduction        '<i>CrystalStructure</i> (Rigaku/MSC, 2004)'
_computing_molecular_graphics    '<i>SHELXTL</i> (Sheldrick, 2008)'
_computing_publication_material  '<i>SHELXL97</i> (Sheldrick, 2008)'
_computing_structure_refinement  '<i>SHELXL97</i> (Sheldrick, 2008)'
_computing_structure_solution    '<i>SHELXS97</i> (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       '\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  0.0382
_diffrn_reflns_av_sigmaI/netI    0.0321
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            8794
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         1.72
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.913
_exptl_absorpt_correction_T_max  0.695
_exptl_absorpt_correction_T_min  0.591
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>ABSCOR</i>; Higashi, 1995)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.897
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             604
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.397
_refine_diff_density_min         -0.422
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     176
_refine_ls_number_reflns         2365
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0242
_refine_ls_R_factor_gt           0.0230
_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^)+(0.0255P)^2^+0.5729P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0608
_refine_ls_wR_factor_ref         0.0615
_reflns_number_gt                2248
_reflns_number_total             2365
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            rk2355.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 2/n'
_cod_database_code               2236574
_cod_database_fobs_code          2236574