Formation of Zn(II) and Cd(II) Coordination Polymers Assembled by Triazine-Based Polycarboxylate and in-Situ-Generated Pyridine-4-thiolate or Dipyridylsulfide Ligands: Observation of an Unusual Luminescence Thermochromism
Qilong Zhu; Tianlu Sheng; Chunhong Tan; Shengmin Hu; Ruibiao Fu; Xintao Wu; Inorganic Chemistry 50 (2011) 7618–7624; doi:10.1021/ic200640g

data_4325879
_publ_section_title
;
 Formation of Zn(II) and Cd(II) Coordination Polymers Assembled by
 Triazine-Based Polycarboxylate and in-Situ-Generated Pyridine-4-thiolate
 or Dipyridylsulfide Ligands: Observation of an Unusual Luminescence
 Thermochromism
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7618
_journal_page_last               7624
_journal_paper_doi               10.1021/ic200640g
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C25 H32 N8 O18 S Zn3'
_chemical_formula_weight         960.76
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 92.285(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.4882(4)
_cell_length_b                   19.2987(7)
_cell_length_c                   18.1601(8)
_cell_measurement_reflns_used    8879
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4835
_cell_measurement_theta_min      2.1105
_cell_volume                     3672.8(3)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0387
_diffrn_reflns_av_sigmaI/netI    0.0379
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            28688
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.11
_exptl_absorpt_coefficient_mu    2.087
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7000
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellowish
_exptl_crystal_density_diffrn    1.737
_exptl_crystal_description       Block
_exptl_crystal_F_000             1952
_exptl_crystal_size_max          0.2500
_exptl_crystal_size_mid          0.2200
_exptl_crystal_size_min          0.2100
_refine_diff_density_max         2.035
_refine_diff_density_min         -0.738
_refine_diff_density_rms         0.137
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     496
_refine_ls_number_reflns         8420
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0703
_refine_ls_R_factor_gt           0.0631
_refine_ls_shift/su_max          0.024
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1061P)^2^+8.5721P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1838
_refine_ls_wR_factor_ref         0.1943
_reflns_number_gt                7568
_reflns_number_total             8420
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic200640g_si_004.cif
_cod_data_source_block           a
_cod_database_code               4325879