Bis(1<i>H</i>-imidazole-κ<i>N</i>^3^)bis(2-oxidopyridinium-3-carboxylato-κ^2^<i>O</i>^2^,<i>O</i>^3^)cobalt(II)
Zhang, Bing-Yu; Nie, Jing-Jing; Xu, Duan-Jun; Acta Crystallographica Section E 65 (2009) m987–m988; doi:10.1107/S1600536809028694

data_2222741
_publ_section_title
Bis(1<i>H</i>-imidazole-\k<i>N</i>^3^)bis(2-oxidopyridinium-3-carboxylato-\k^2^<i>O</i>^2^,<i>O</i>^3^)cobalt(II)
_journal_coeditor_code           HK2743
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m987
_journal_page_last               m988
_journal_paper_doi               10.1107/S1600536809028694
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          '[Co (C6 H4 N O3)2 (C3 H4 N2)2]'
_chemical_formula_moiety         'C18 H16 Co N6 O6'
_chemical_formula_sum            'C18 H16 Co N6 O6'
_chemical_formula_weight         471.30
_chemical_name_systematic
;
Bis(1<i>H</i>-imidazole-\k<i>N</i>^3^)bis(2-oxidopyridinium-3-carboxylato-
\k^2^<i>O</i>^2^,<i>O</i>^3^)cobalt(II)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 111.407(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.594(2)
_cell_length_b                   10.0524(12)
_cell_length_c                   12.8271(15)
_cell_measurement_reflns_used    4226
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      25.2
_cell_measurement_theta_min      2.5
_cell_volume                     1992.1(4)
_computing_cell_refinement       'PROCESS-AUTO (Rigaku, 1998)'
_computing_data_collection       'PROCESS-AUTO (Rigaku, 1998)'
_computing_data_reduction        'CrystalStructure (Rigaku/MSC, 2002)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare <i>et al.</i>,  1993)'
_diffrn_ambient_temperature      294(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID IP'
_diffrn_measurement_method       \w
_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  0.0341
_diffrn_reflns_av_sigmaI/netI    0.0228
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10627
_diffrn_reflns_theta_full        25.40
_diffrn_reflns_theta_max         25.40
_diffrn_reflns_theta_min         2.42
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.912
_exptl_absorpt_correction_T_max  0.790
_exptl_absorpt_correction_T_min  0.665
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(ABSCOR; Higashi, 1995)'
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.571
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             964
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.244
_refine_diff_density_min         -0.224
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         1824
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0365
_refine_ls_R_factor_gt           0.0278
_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^)+(0.0231P)^2^+1.9358P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0626
_refine_ls_wR_factor_ref         0.0654
_reflns_number_gt                1527
_reflns_number_total             1824
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hk2743.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2222741
_cod_database_fobs_code          2222741