Two new metal-organic frameworks based on tetrazole-heterocyclic ligands accompanied by in situ ligand formation.
Li, Qin; Yu, Mei-Hui; Xu, Jian; Li, Ai-Lin; Hu, Tong-Liang; Bu, Xian-He; Dalton transactions (Cambridge, England : 2003) 46 (2017) 3223–3228; doi:10.1039/c7dt00005g

data_7702129
_publ_section_title
;
 Two new metal-organic frameworks based on tetrazole-heterocyclic ligands
 accompanied by in situ ligand formation.
;
_journal_issue                   10
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3223
_journal_page_last               3228
_journal_paper_doi               10.1039/c7dt00005g
_journal_volume                  46
_journal_year                    2017
_chemical_formula_sum            'C18 H8 Cd2 N10 O8'
_chemical_formula_weight         717.16
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2017-02-12 deposited with the CCDC.
2017-02-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 114.67(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   22.552(5)
_cell_length_b                   22.119(4)
_cell_length_c                   19.125(4)
_cell_measurement_reflns_used    12283
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.6
_cell_measurement_theta_min      3.0
_cell_volume                     8669(4)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    Diamond
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  SCX-MINI
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.1872
_diffrn_reflns_av_unetI/netI     0.1725
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            43431
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.483
_diffrn_reflns_theta_min         2.992
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.018
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.099
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2768.0
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.16
_refine_diff_density_max         1.967
_refine_diff_density_min         -1.720
_refine_diff_density_rms         0.202
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         9904
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.1609
_refine_ls_R_factor_gt           0.0934
_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^)+(0.1436P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2841
_refine_ls_wR_factor_ref         0.3189
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4787
_reflns_number_total             9954
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt00005g2.cif
_cod_data_source_block           1_sq
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7702129
_shelx_shelxl_version_number     2016/6
_shelx_res_checksum              36911
_platon_squeeze_void_probe_radius 1.20