Syntheses, crystal structures and properties of transition metal coordination polymers based on isophthalic acid and flexible bis(pyridyl) ligand with unsymmetrical spacer: influence of metal cations, ligand conformations and coordination modes
Deng, Zhao-Peng; Zhang, Zhu-Yan; Huo, Li-Hua; Ng, Seik Weng; Zhao, Hui; Gao, Shan; CrystEngComm 14 (2012) 6548–; doi:10.1039/c2ce25339a

data_7208651
_publ_section_title
;
 Syntheses, crystal structures and properties of transition metal
 coordination polymers based on isophthalic acid and flexible bis(pyridyl)
 ligand with unsymmetrical spacer: influence of metal cations, ligand
 conformations and coordination modes
;
_journal_issue                   20
_journal_name_full               CrystEngComm
_journal_page_first              6548
_journal_paper_doi               10.1039/c2ce25339a
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C27 H19 Cd2 N3 O8'
_chemical_formula_sum            'C27 H19 Cd2 N3 O8'
_chemical_formula_weight         738.25
_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                 107.21(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.055(2)
_cell_length_b                   13.112(3)
_cell_length_c                   16.940(3)
_cell_measurement_reflns_used    17109
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      3.04
_cell_volume                     2557.7(9)
_computing_cell_refinement       RAPID-AUTO
_computing_data_reduction
'CrystalStructure (Rigaku/MSC and Rigaku Corporation, 2002)'
_computing_molecular_graphics    SHELXL-97
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_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  0.0530
_diffrn_reflns_av_sigmaI/netI    0.0470
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            24200
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.04
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.720
_exptl_absorpt_correction_T_max  0.7947
_exptl_absorpt_correction_T_min  0.7139
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Higashi, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.917
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1448
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.317
_refine_diff_density_min         -0.855
_refine_diff_density_rms         0.183
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         5830
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0542
_refine_ls_R_factor_gt           0.0476
_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^)+(0.0801P)^2^+3.4956P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1302
_refine_ls_wR_factor_ref         0.1349
_reflns_number_gt                5063
_reflns_number_total             5830
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25339a.txt
_cod_data_source_block           complex4
_cod_original_sg_symbol_Hall     '-P 2yn '
_cod_original_sg_symbol_H-M      'P 21/n '
_cod_database_code               7208651