Encapsulation of Water Cluster,meso-Helical Chain and Tapes in Metal−Organic Frameworks Based on Double-Stranded Cd(II) Helicates and Carboxylates
Cheng, Lin; Lin, Jian-Bin; Gong, Jun-Zhou; Sun, Ai-Ping; Ye, Bao-Hui; Chen, Xiao-Ming; Crystal Growth & Design 6 (2006) 2739–; doi:10.1021/cg060441f

data_4508886
_publ_section_title
;
 Encapsulation of Water Cluster,meso-Helical Chain and Tapes in
 Metal&#x2212;Organic Frameworks Based on Double-Stranded Cd(II) Helicates
 and Carboxylates
;
_journal_issue                   12
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2739
_journal_paper_doi               10.1021/cg060441f
_journal_volume                  6
_journal_year                    2006
_chemical_formula_moiety         'Cd, C12H12N6, CH3COO, H2O'
_chemical_formula_sum            'C40 H66 Cd4 N12 O25'
_chemical_formula_weight         1564.64
_space_group_IT_number           133
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4ac 2b'
_symmetry_space_group_name_H-M   'P 42/n b c :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            8
_cell_length_a                   19.0544(11)
_cell_length_b                   19.0544(11)
_cell_length_c                   31.639(4)
_cell_measurement_temperature    100(2)
_cell_volume                     11487.2(17)
_computing_cell_refinement
;
     'SAINT-PLUS for Windows NT, Ver. 6.0, Bruker AXS Inc., 1997.'
;
_computing_data_collection
;
          'SMART for Windows NT, Bruker AXS Inc., 1998.' 
;
_computing_molecular_graphics
;
     'XP-Interactive Molecular Graphics, Ver. 6.10, Bruker AXS Inc., 2000.'
;
_computing_publication_material  'SHELXTL-Bruker AXS Inc., 1998.'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'Bruker APX CCD'
_diffrn_measurement_method       'phi and omega scan'
_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  0.0686
_diffrn_reflns_av_sigmaI/netI    0.0422
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            48747
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    1.551
_exptl_absorpt_correction_T_max  0.8730
_exptl_absorpt_correction_T_min  0.7571
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.809
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             6256
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.09
_refine_diff_density_max         1.205
_refine_diff_density_min         -0.893
_refine_diff_density_rms         0.128
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     382
_refine_ls_number_reflns         6163
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0767
_refine_ls_R_factor_gt           0.0570
_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^)+(0.0568P)^2^+77.6461P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1255
_refine_ls_wR_factor_ref         0.1361
_reflns_number_gt                4881
_reflns_number_total             6163
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg060441fsup1.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      P4(2)/nbc
_cod_database_code               4508886