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_7208655
_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         'C38 H32 N6 O10 Zn3'
_chemical_formula_sum            'C38 H32 N6 O10 Zn3'
_chemical_formula_weight         928.81
_chemical_name_systematic
;
?
;
_space_group_IT_number           34
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2 -2n'
_symmetry_space_group_name_H-M   'P n n 2'
_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            4
_cell_length_a                   18.662(4)
_cell_length_b                   20.461(4)
_cell_length_c                   9.4272(19)
_cell_measurement_reflns_used    20371
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.17
_cell_volume                     3599.7(13)
_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 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0861
_diffrn_reflns_av_sigmaI/netI    0.0745
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            34240
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.13
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.053
_exptl_absorpt_correction_T_max  0.7907
_exptl_absorpt_correction_T_min  0.7088
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Higashi, 1995)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.714
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1888
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.107
_refine_diff_density_min         -0.667
_refine_diff_density_rms         0.099
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.406(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     523
_refine_ls_number_reflns         8211
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0781
_refine_ls_R_factor_gt           0.0490
_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^)+(0.0554P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1009
_refine_ls_wR_factor_ref         0.1173
_reflns_number_gt                5924
_reflns_number_total             8211
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25339a.txt
_cod_data_source_block           complex8
_cod_original_sg_symbol_Hall     'P 2 -2n '
_cod_original_sg_symbol_H-M      'P nn2 '
_cod_database_code               7208655