Three-dimensional coordination polymers constructed from C2-symmetric linkers of pyridyl dicarboxylate ligands
Yun, Ruirui; luo, shizhong; Jiang, Yaqin; Chen, Cheng; RSC Advances  (2014) –; doi:10.1039/C4RA07128J

data_7217732
_publ_section_title
;
 Three-dimensional coordination polymers constructed from C2-symmetric
 linkers of pyridyl dicarboxylate ligands
;
_journal_name_full               'RSC Advances'
_journal_paper_doi               10.1039/C4RA07128J
_journal_year                    2014
_chemical_formula_sum            'C22 H18 N2 O5 Zn'
_chemical_formula_weight         455.75
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_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                 91.8500(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.3645(11)
_cell_length_b                   15.1275(11)
_cell_length_c                   8.3110(6)
_cell_measurement_temperature    296(2)
_cell_volume                     1930.7(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.1037
_diffrn_reflns_av_sigmaI/netI    0.0563
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            10927
_diffrn_reflns_theta_full        25.34
_diffrn_reflns_theta_max         25.34
_diffrn_reflns_theta_min         1.33
_exptl_absorpt_coefficient_mu    1.311
_exptl_absorpt_correction_T_max  0.7614
_exptl_absorpt_correction_T_min  0.7104
_exptl_crystal_density_diffrn    1.568
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.22
_refine_diff_density_max         1.048
_refine_diff_density_min         -0.879
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         3524
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.096
_refine_ls_R_factor_all          0.0576
_refine_ls_R_factor_gt           0.0516
_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^)+(0.1063P)^2^+0.6180P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1616
_refine_ls_wR_factor_ref         0.1676
_reflns_number_gt                2943
_reflns_number_total             3524
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra07128j3.cif
_cod_data_source_block           3
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7217732