A Series of (6,6)-Connected Porous Lanthanide-Organic Framework Enantiomers with High Thermostability and Exposed Metal Sites: Scalable Syntheses, Structures, and Sorption Properties
Hai-Long Jiang; Nobuko Tsumori; Qiang Xu; Inorganic Chemistry 49 (2010) 10001–10006; doi:10.1021/ic101294s

data_4316930
_publ_section_title
;
 A Series of (6,6)-Connected Porous Lanthanide-Organic Framework
 Enantiomers with High Thermostability and Exposed Metal Sites: Scalable
 Syntheses, Structures, and Sorption Properties
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10001
_journal_page_last               10006
_journal_paper_doi               10.1021/ic101294s
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C9 H5 Er O7'
_chemical_formula_weight         392.39
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           91
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4w 2c'
_symmetry_space_group_name_H-M   'P 41 2 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                   10.2700(15)
_cell_length_b                   10.2700(15)
_cell_length_c                   14.460(3)
_cell_measurement_temperature    293(2)
_cell_volume                     1525.1(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0387
_diffrn_reflns_av_sigmaI/netI    0.0212
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            14910
_diffrn_reflns_theta_full        27.43
_diffrn_reflns_theta_max         27.43
_diffrn_reflns_theta_min         3.97
_exptl_absorpt_coefficient_mu    5.517
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7664
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.709
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             732
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.05
_platon_squeeze_details          ' ?'
_refine_diff_density_max         0.885
_refine_diff_density_min         -0.666
_refine_diff_density_rms         0.149
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.213
_refine_ls_matrix_type           full
_refine_ls_number_parameters     80
_refine_ls_number_reflns         1740
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.213
_refine_ls_R_factor_all          0.0249
_refine_ls_R_factor_gt           0.0215
_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^)+(0.0313P)^2^+1.6423P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0585
_refine_ls_wR_factor_ref         0.0593
_reflns_number_gt                1623
_reflns_number_total             1740
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic101294s_si_002_4.cif
_cod_data_source_block           4a-Er-P4122
_cod_database_code               4316930