Coordination polymers of various architectures built with mixed imidazole/benzimidazole and carboxylate donor ligands and different metal ions: syntheses, structural features and magnetic properties
Aijaz, Arshad; Lama, Prem; Sañudo, E. Carolina; Mishra, Rupali; Bharadwaj, Parimal K.; New Journal of Chemistry 34 (2010) 2502–; doi:10.1039/c0nj00302f

data_7053627
_publ_section_title
;
 Coordination polymers of various architectures built with mixed
 imidazole/benzimidazole and carboxylate donor ligands and different metal
 ions: syntheses, structural features and magnetic properties
;
_journal_issue                   11
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              2502
_journal_paper_doi               10.1039/c0nj00302f
_journal_volume                  34
_journal_year                    2010
_chemical_formula_moiety         'C20 H14 N4 O4 Zn'
_chemical_formula_sum            'C20 H14 N4 O4 Zn'
_chemical_formula_weight         439.74
_chemical_name_systematic
;
?
;
_space_group_IT_number           41
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'A 2 -2ab'
_symmetry_space_group_name_H-M   'A b a 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.000
_cell_angle_beta                 90.000
_cell_angle_gamma                90.000
_cell_formula_units_Z            8
_cell_length_a                   25.391(4)
_cell_length_b                   19.896(5)
_cell_length_c                   7.556(4)
_cell_measurement_reflns_used    999
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.50
_cell_measurement_theta_min      2.20
_cell_volume                     3817(2)
_computing_cell_refinement       'SAINT 6.45 ( Bruker, 2003)'
_computing_data_collection       'SMART 5.628 (Bruker, 2003)'
_computing_data_reduction        'SAINT 6.45 ( Bruker, 2003)'
_computing_molecular_graphics    'DIAMOND 2.1e'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'BRUKER SMART APEX'
_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  0.0409
_diffrn_reflns_av_sigmaI/netI    0.0513
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            9903
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.20
_exptl_absorpt_coefficient_mu    1.322
_exptl_absorpt_correction_T_max  0.8575
_exptl_absorpt_correction_T_min  0.7968
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.530
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1792
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.423
_refine_diff_density_min         -0.211
_refine_diff_density_rms         0.049
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.018(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.996
_refine_ls_hydrogen_treatment    refU
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         3471
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.996
_refine_ls_R_factor_all          0.0435
_refine_ls_R_factor_gt           0.0347
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0372P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0758
_refine_ls_wR_factor_ref         0.0821
_reflns_number_gt                2936
_reflns_number_total             3471
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0nj00302f.txt
_cod_data_source_block           7
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      Aba2
_cod_database_code               7053627