Four cobalt(II) coordination polymers with diverse topologies derived from flexible bis(benzimidazole) and aromatic dicarboxylic acids：Syntheses, crystal structures and catalytic properties
Cui, Guang Hua; Van Hecke, Kristof; Yu, Baoyi; Wang, Xiaoxiao; RSC Adv.  (2014) –; doi:10.1039/C4RA08138B

data_7218735
_publ_section_title
;
 Four cobalt(II) coordination polymers with diverse topologies derived
 from flexible bis(benzimidazole) and aromatic dicarboxylic
 acids&#xFF1A;Syntheses, crystal structures and catalytic properties
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C4RA08138B
_journal_year                    2014
_chemical_formula_sum            'C40 H34 Co N4 O4'
_chemical_formula_weight         693.64
_chemical_name_systematic
; 
 ? 
;
_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                 91.6020(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.6808(19)
_cell_length_b                   13.9240(12)
_cell_length_c                   10.9090(12)
_cell_measurement_reflns_used    1968
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.62
_cell_measurement_theta_min      3.86
_cell_volume                     3595.6(6)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL  (Bruker, 1999)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_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  0.0415
_diffrn_reflns_av_sigmaI/netI    0.0539
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10848
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         1.70
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.523
_exptl_absorpt_correction_T_max  0.9201
_exptl_absorpt_correction_T_min  0.878
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Sheldrick, 1996)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.281
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1444
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.267
_refine_diff_density_min         -0.320
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     224
_refine_ls_number_reflns         4091
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0715
_refine_ls_R_factor_gt           0.0432
_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^)+(0.0482P)^2^+0.7890P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0980
_refine_ls_wR_factor_ref         0.1117
_reflns_number_gt                2811
_reflns_number_total             4091
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra08138b2.cif
_cod_data_source_block           x
_cod_original_sg_symbol_H-M      'C 2/c '
_cod_database_code               7218735