Cadmium(ii) coordination polymers with flexible tetradentate ligand 1,2,4,5-tetrakis(imidazol-1-ylmethyl)benzene: anion effect and reversible anion exchange property
Xu, Guan-Cheng; Hua, Qin; Okamura, Taka-aki; Bai, Zheng-Shuai; Ding, Yu-Jie; Huang, Yong-Qing; Liu, Guang-Xiang; Sun, Wei-Yin; Ueyama, Norikazu; CrystEngComm 11 (2009) 261–; doi:10.1039/b813220h

data_7200324
_publ_section_title
;
 Cadmium(ii) coordination polymers with flexible tetradentate ligand
 1,2,4,5-tetrakis(imidazol-1-ylmethyl)benzene: anion effect and
 reversible anion exchange property
;
_journal_issue                   2
_journal_name_full               CrystEngComm
_journal_page_first              261
_journal_paper_doi               10.1039/b813220h
_journal_volume                  11
_journal_year                    2009
_chemical_formula_moiety         'C22 H22 N8, 4(H2 O)'
_chemical_formula_sum            'C22 H30 N8 O4'
_chemical_formula_weight         470.54
_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                 97.859(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.3641(18)
_cell_length_b                   18.938(5)
_cell_length_c                   8.707(2)
_cell_measurement_reflns_used    834
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.42
_cell_measurement_theta_min      2.99
_cell_volume                     1202.9(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0218
_diffrn_reflns_av_sigmaI/netI    0.0234
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            5831
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.15
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.9817
_exptl_absorpt_correction_T_min  0.9727
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.299
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             500
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.149
_refine_diff_density_min         -0.205
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     170
_refine_ls_number_reflns         2114
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0466
_refine_ls_R_factor_gt           0.0436
_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^)+(0.0825P)^2^+0.2777P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1242
_refine_ls_wR_factor_ref         0.1273
_reflns_number_gt                1984
_reflns_number_total             2114
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b813220h.txt
_cod_data_source_block           L
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        1202.8(5)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7200324