Two new 3D metal-organic frameworks of nanoscale cages constructed by Cd(II) and conformation-flexible cyclohexanehexacarboxylate
Jing Wang; Yue-Hua Zhang; Ming-Liang Tong; Chemical Communications  (2006) –; doi:10.1039/b604584g

data_7101304
_publ_section_title
;
Two new 3D metal-organic frameworks of nanoscale cages
constructed by Cd(II) and conformation-flexible cyclohexanehexacarboxylate
;
_journal_issue                   30
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/b604584g
_journal_year                    2006
_chemical_formula_sum            'C48 H81 Cd12 O76.5'
_chemical_formula_weight         3230.93
_chemical_name_systematic
;
?
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                120.00
_cell_formula_units_Z            3
_cell_length_a                   17.7971(14)
_cell_length_b                   17.7971(14)
_cell_length_c                   22.961(4)
_cell_measurement_temperature    293(2)
_cell_volume                     6298.2(12)
_computing_cell_refinement       'SAINT-PLUS, Ver. 6.0, 1997'
_computing_data_collection       'SMART, 1998.'
_computing_data_reduction        'SAINT-PLUS, Ver. 6.0, 1997'
_computing_molecular_graphics    'XP, 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      293(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0391
_diffrn_reflns_av_sigmaI/netI    0.0640
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            5450
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.21
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.108
_exptl_absorpt_correction_T_max  0.8188
_exptl_absorpt_correction_T_min  0.6313
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2002)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.556
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4671
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.794
_refine_diff_density_min         -0.785
_refine_diff_density_rms         0.176
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         2707
_refine_ls_number_restraints     9
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0615
_refine_ls_R_factor_gt           0.0469
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0419P)^2^+14.0730P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0984
_refine_ls_wR_factor_ref         0.1049
_reflns_number_gt                2193
_reflns_number_total             2707
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b604584g.txt
_cod_original_sg_symbol_H-M      R-3
_cod_original_formula_sum        'C48 H81 Cd12 O76.50'
_cod_database_code               7101304