A series of Zn(ii) and Cd(ii) coordination polymers based on flexible bis-[(pyridyl)-benzimidazole] ligand and different carboxylates: syntheses, structures, and photoluminescent properties
Liu, Hai-Yan; Ma, Jian-Fang; Liu, Ying-Ying; Yang, Jin; CrystEngComm 15 (2013) 2699–; doi:10.1039/c3ce00009e

data_7209565
_publ_section_title
;
 A series of Zn(ii) and Cd(ii) coordination polymers based on flexible
 bis-[(pyridyl)-benzimidazole] ligand and different carboxylates:
 syntheses, structures, and photoluminescent properties
;
_journal_issue                   14
_journal_name_full               CrystEngComm
_journal_page_first              2699
_journal_paper_doi               10.1039/c3ce00009e
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C22 H16 Cd N3 O4'
_chemical_formula_weight         498.78
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 101.346(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.3800(14)
_cell_length_b                   20.837(4)
_cell_length_c                   11.227(3)
_cell_measurement_temperature    293(2)
_cell_volume                     1922.1(7)
_computing_cell_refinement       CrysAlis
_computing_data_collection       'CrysAlis (Oxford Diffraction, 2006)'
_computing_data_reduction        CrysAlis
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.0
_diffrn_measured_fraction_theta_full 0.887
_diffrn_measured_fraction_theta_max 0.887
_diffrn_measurement_device_type  'Oxford Diffraction Gemini R Ultra'
_diffrn_measurement_method       '\w scan'
_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  0.0408
_diffrn_reflns_av_sigmaI/netI    0.0783
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            12001
_diffrn_reflns_theta_full        29.78
_diffrn_reflns_theta_max         29.78
_diffrn_reflns_theta_min         4.19
_exptl_absorpt_coefficient_mu    1.172
_exptl_absorpt_correction_T_max  0.8080
_exptl_absorpt_correction_T_min  0.7662
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis (Oxford Diffraction, 2006)
;
_exptl_crystal_density_diffrn    1.724
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             996
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.815
_refine_diff_density_min         -0.500
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.872
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         4878
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.872
_refine_ls_R_factor_all          0.0749
_refine_ls_R_factor_gt           0.0357
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0291P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0634
_refine_ls_wR_factor_ref         0.0687
_reflns_number_gt                3018
_reflns_number_total             4878
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce00009e.txt
_cod_data_source_block           7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_cell_volume        1922.0(6)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7209565