Construction of Zn(ii) and Cd(ii) metal‒organic frameworks of diimidazole and dicarboxylate mixed ligands for the catalytic photodegradation of rhodamine B in water
Lü, Chun-Ning; Chen, Min-Min; Zhang, Wen-Hua; Li, Duan-Xiu; Dai, Ming; Lang, Jian-Ping; CrystEngComm 17 (2015) 1935–; doi:10.1039/C4CE02074J

data_7218890
_publ_section_title
;
 Construction of Zn(ii) and Cd(ii) metal--organic frameworks of
 diimidazole and dicarboxylate mixed ligands for the catalytic
 photodegradation of rhodamine B in water
;
_journal_issue                   9
_journal_name_full               CrystEngComm
_journal_page_first              1935
_journal_paper_doi               10.1039/C4CE02074J
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C28 H22 N4 O4 Zn'
_chemical_formula_sum            'C28 H22 N4 O4 Zn'
_chemical_formula_weight         543.86
_space_group_crystal_system      orthorhombic
_space_group_IT_number           52
_space_group_name_Hall           '-P 2a 2bc'
_space_group_name_H-M_alt        'P n n a'
_symmetry_space_group_name_Hall  '-P 2a 2bc'
_symmetry_space_group_name_H-M   'P n n a'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2014-11-15 # Formatted by publCIF

;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.996(3)
_cell_length_b                   16.994(3)
_cell_length_c                   10.668(2)
_cell_measurement_reflns_used    7977
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.5204
_cell_measurement_theta_min      3.0623
_cell_volume                     2356.1(8)
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku MercuryCCD area detector'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0660
_diffrn_reflns_av_unetI/netI     0.0405
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            20136
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.461
_diffrn_reflns_theta_min         3.135
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.087
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Jacobson, R. (1998) Private communication to Rigaku Company, Tokyo, Japan.'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.533
_exptl_crystal_description       Block
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.400
_exptl_crystal_size_min          0.400
_exptl_transmission_factor_max   0.647
_exptl_transmission_factor_min   0.641
_refine_diff_density_max         0.304
_refine_diff_density_min         -0.346
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     169
_refine_ls_number_reflns         2692
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0862
_refine_ls_R_factor_gt           0.0804
_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^)+(0.0246P)^2^+15.7824P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1454
_refine_ls_wR_factor_ref         0.1490
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2553
_reflns_number_total             2692
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4ce02074j2.cif
_cod_data_source_block           Cpx2
_cod_depositor_comments
'Adding full bibliography for 7218889--7218892.cif.'
_cod_database_code               7218890
_publcif_datablock.id            {2cd91889-060e-42c9-9adb-d0e2913beccc}
_shelx_estimated_absorpt_t_min   0.670
_shelx_estimated_absorpt_t_max   0.670
_shelxl_version_number           2013-2
_shelx_res_checksum              82316