Seven new Zn(II)/Cd(II) coordination polymers with 2-(hydroxymethyl)-1 H -benzo[ d ]imidazole-5-carboxylic acid: Synthesis, structures and properties
Wang, Xin-Fang; Zhou, Sheng-Bin; Du, Ceng-Ceng; Wang, Duo-Zhi; Jia, Dianzeng; Journal of Solid State Chemistry 252 (2017) 72–85; doi:10.1016/j.jssc.2017.04.039

data_1560423
_publ_section_title
;
 Seven new Zn(II)/Cd(II) coordination polymers with 2-(hydroxymethyl)-1 H
 -benzo[ d ]imidazole-5-carboxylic acid: Synthesis, structures and
 properties
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              72
_journal_page_last               85
_journal_paper_doi               10.1016/j.jssc.2017.04.039
_journal_volume                  252
_journal_year                    2017
_chemical_formula_sum            'C18 H18 F6 N4 O8 Si Zn2'
_chemical_formula_weight         691.19
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_cell_angle_alpha                90
_cell_angle_beta                 94.952(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   13.1872(9)
_cell_length_b                   10.2472(7)
_cell_length_c                   8.0440(5)
_cell_measurement_reflns_used    1600
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      24.23
_cell_measurement_theta_min      2.52
_cell_volume                     1082.94(12)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0397
_diffrn_reflns_av_unetI/netI     0.0370
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            6938
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.306
_diffrn_reflns_theta_min         1.550
_exptl_absorpt_coefficient_mu    2.382
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.120
_exptl_crystal_description       Block
_exptl_crystal_F_000             692
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.180
_exptl_transmission_factor_max   0.864
_exptl_transmission_factor_min   0.864
_refine_diff_density_max         0.340
_refine_diff_density_min         -0.468
_refine_diff_density_rms         0.083
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     187
_refine_ls_number_reflns         1972
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0405
_refine_ls_R_factor_gt           0.0313
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0415P)^2^+0.2508P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0755
_refine_ls_wR_factor_ref         0.0819
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                1646
_reflns_number_total             1972
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            JSSC-2017-252-72.cif
_cod_data_source_block           2
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1560423
_shelx_estimated_absorpt_t_min   0.622
_shelx_estimated_absorpt_t_max   0.674
_shelx_res_checksum              21771
_shelx_hkl_checksum              1112