Assembly of a series of coordination polymers built from rigid a tetracarboxylate ligand and flexible bis(imidazole) linker: syntheses, structural diversities, luminescence sensing, and photocatalytic properties.
Zhang, Xiu-Tang; Chen, Hong-Tai; Li, Bin; Liu, Guang-Zeng; Liu, Xin-Zheng; Dalton transactions (Cambridge, England : 2003) 47 (2018) 1202–1213; doi:10.1039/c7dt03761a

data_7044893
_publ_section_title
;
 Assembly of a series of coordination polymers built from rigid a
 tetracarboxylate ligand and flexible bis(imidazole) linker: syntheses,
 structural diversities, luminescence sensing, and photocatalytic
 properties.
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1202
_journal_page_last               1213
_journal_paper_doi               10.1039/c7dt03761a
_journal_volume                  47
_journal_year                    2018
_chemical_formula_moiety         'C25 H19 Cd N4 O4'
_chemical_formula_sum            'C25 H19 Cd N4 O4'
_chemical_formula_weight         551.84
_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'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2017-11-25
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_audit_update_record
;
2017-11-27 deposited with the CCDC.
2017-11-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.5490(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.9722(3)
_cell_length_b                   17.7181(7)
_cell_length_c                   17.6067(7)
_cell_measurement_reflns_used    9886
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      3.15
_cell_volume                     2170.86(15)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0834
_diffrn_reflns_av_unetI/netI     0.0358
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            28105
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        24.999
_diffrn_reflns_theta_max         24.999
_diffrn_reflns_theta_min         3.145
_exptl_absorpt_coefficient_mu    1.048
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.4982
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.0987 before and 0.0718 after correction.
The Ratio of minimum to maximum transmission is 0.6682.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.688
_exptl_crystal_description       block
_exptl_crystal_F_000             1108
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.611
_refine_diff_density_min         -0.516
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     311
_refine_ls_number_reflns         3816
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0423
_refine_ls_R_factor_gt           0.0360
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0449P)^2^+1.8375P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0884
_refine_ls_wR_factor_ref         0.0916
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3352
_reflns_number_total             3816
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt03761a2.cif
_cod_data_source_block           1558569
_cod_depositor_comments
'Adding full bibliography for 7044892--7044895.cif.'
_cod_database_code               7044893
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.921
_shelx_estimated_absorpt_t_min   0.885
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2. Restrained distances
 O2-O1A
 2 with sigma of 0.02
 O1B-Cd1_$1 \\sim Cd1_$1-O1A
 with sigma of 0.02
 O1A-C15 \\sim C15-O1B
 with sigma of 0.02
3. Uiso/Uaniso restraints and constraints
Uanis(O1A) = Uanis(O1B)
4. Others
 Sof(O1B)=1-FVAR(1)
 Sof(O1A)=FVAR(1)
5.a Secondary CH2 refined with riding coordinates:
 C4(H4A,H4B), C11(H11A,H11B)
5.b Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3), C6(H6), C7(H7), C8(H8), C9(H9), C12(H12), C13(H13),
 C14(H14), C17(H17), C18(H18), C21(H21), C24(H24), C25(H25)
;
_shelx_res_checksum              97329
_olex2_submission_special_instructions 'No special instructions were received'