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_7218737
_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           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c 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                   11.4409(12)
_cell_length_b                   24.696(3)
_cell_length_c                   25.285(3)
_cell_measurement_reflns_used    2018
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      18.32
_cell_measurement_theta_min      4.21
_cell_volume                     7144.1(14)
_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      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.1422
_diffrn_reflns_av_sigmaI/netI    0.0900
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            52018
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.12
_exptl_absorpt_coefficient_mu    0.526
_exptl_absorpt_correction_T_max  0.9318
_exptl_absorpt_correction_T_min  0.8821
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Sheldrick, 1996)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2888
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.329
_refine_diff_density_min         -0.308
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.883
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     446
_refine_ls_number_reflns         6304
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.883
_refine_ls_R_factor_all          0.1349
_refine_ls_R_factor_gt           0.0589
_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^)+(0.1545P)^2^+0.3452P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1667
_refine_ls_wR_factor_ref         0.2342
_reflns_number_gt                3299
_reflns_number_total             6304
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra08138b2.cif
_cod_data_source_block           1
_cod_original_sg_symbol_Hall     '-P 2ac 2ab '
_cod_original_sg_symbol_H-M      'pbca '
_cod_database_code               7218737