Structural modulation and properties of four cadmium(ii) coordination architectures based on 3-(pyridin-4-yl)-5-(pyrazin-2-yl)-1H-1,2,4-triazole and aromatic polycarboxylate ligands
Wang, Yu-Fang; Zhuo-Li,; Sun, Yan-Chun; Zhao, Jian-She; Wang, Li-Ya; CrystEngComm 15 (2013) 9980–; doi:10.1039/c3ce41356j

data_7211352
_publ_section_title
;
 Structural modulation and properties of four cadmium(ii) coordination
 architectures based on
 3-(pyridin-4-yl)-5-(pyrazin-2-yl)-1H-1,2,4-triazole and aromatic
 polycarboxylate ligands
;
_journal_issue                   46
_journal_name_full               CrystEngComm
_journal_page_first              9980
_journal_paper_doi               10.1039/c3ce41356j
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C20 H18 Cd2 N6 O10'
_chemical_formula_weight         727.20
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 92.6460(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.2094(10)
_cell_length_b                   10.7090(9)
_cell_length_c                   18.4149(15)
_cell_measurement_reflns_used    9957
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.22
_cell_measurement_theta_min      2.53
_cell_volume                     2405.2(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      296(2)
_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_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0194
_diffrn_reflns_av_sigmaI/netI    0.0165
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            17436
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.53
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.837
_exptl_absorpt_correction_T_max  0.7102
_exptl_absorpt_correction_T_min  0.6273
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.008
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1424
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.559
_refine_diff_density_min         -0.736
_refine_diff_density_rms         0.121
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.959
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     362
_refine_ls_number_reflns         4471
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.963
_refine_ls_R_factor_all          0.0239
_refine_ls_R_factor_gt           0.0209
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0263P)^2^+3.1235P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0509
_refine_ls_wR_factor_ref         0.0532
_reflns_number_gt                4052
_reflns_number_total             4471
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce41356j.txt
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7211352