Five novel Zn(ii)/Cd(ii) coordination polymers based on bis(pyrazinyl)-triazole and varied polycarboxylates: syntheses, topologies and photoluminescence
Pan, Jie; Jiang, Fei-Long; Wu, Ming-Yan; Chen, Lian; Qian, Jin-Jie; Su, Kong-Zhao; Wan, Xiu-Yan; Hong, Mao-Chun; CrystEngComm 16 (2014) 11078–; doi:10.1039/C4CE01959H

data_7218568
_publ_section_title
;
 Five novel Zn(ii)/Cd(ii) coordination polymers based on
 bis(pyrazinyl)-triazole and varied polycarboxylates: syntheses,
 topologies and photoluminescence
;
_journal_issue                   48
_journal_name_full               CrystEngComm
_journal_page_first              11078
_journal_paper_doi               10.1039/C4CE01959H
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C30 H22 Cd4 N14 O14'
_chemical_formula_weight         1252.22
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           20
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.646(9)
_cell_length_b                   29.783(16)
_cell_length_c                   17.274(9)
_cell_measurement_reflns_used    5452
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4835
_cell_measurement_theta_min      2.3895
_cell_volume                     8564(8)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku, 2000)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  Mercury
_diffrn_measurement_method       CCD_Profile_fitting
_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  0.0315
_diffrn_reflns_av_sigmaI/netI    0.0294
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            33383
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         2.36
_exptl_absorpt_coefficient_mu    2.037
_exptl_absorpt_correction_T_max  0.6861
_exptl_absorpt_correction_T_min  0.5801
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2007)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.942
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             4832
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.910
_refine_diff_density_min         -2.561
_refine_diff_density_rms         0.205
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.42(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     557
_refine_ls_number_reflns         9770
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0614
_refine_ls_R_factor_gt           0.0578
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1012P)^2^+72.7797P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1732
_refine_ls_wR_factor_ref         0.1795
_reflns_number_gt                9113
_reflns_number_total             9770
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01959h2.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2827 2014-09-09 07:05:25Z andrius 

 Adding full bibliography for 7218567--7218571.cif.
;
_cod_original_sg_symbol_H-M      C2221
_cod_database_code               7218568