Rare-earth cation effects on three-dimensional metal-organic rotaxane framework (MORF) self assembly
Han-Yuan Gong; Brett M. Rambo; Cory Nelson; Vincent M. Lynch; Xiaoyang Zhu; Jonathan L. Sessler; Chem.Commun. 48 (2012) 10186–10188; doi:10.1039/C2CC34200F

data_7108434
_publ_section_title
;
 Rare-earth cation effects on three-dimensional metal-organic rotaxane
 framework (MORF) self assembly
;
_journal_name_full               Chem.Commun.
_journal_page_first              10186
_journal_page_last               10188
_journal_paper_doi               10.1039/C2CC34200F
_journal_volume                  48
_journal_year                    2012
_chemical_formula_sum            'C81 H94 N11 O37.5 Sm2'
_chemical_formula_weight         2122.37
_chemical_name_common
;
cyclo(2)(2,6-di(1H-imidazol-1-yl)pyridine)(2)(1,4-
dimethylenebenzene)_ 5 terepht
;
_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                 97.17(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   24.003(5)
_cell_length_b                   11.365(2)
_cell_length_c                   32.883(7)
_cell_measurement_reflns_used    15123
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      0.99
_cell_volume                     8900(3)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics
;
XP, Shelxtl-Plus Version 5.1, Bruker AXS, 1998.
;
_computing_publication_material
;
XCIF, Shelxtl-Plus Version 5.1, Bruker AXS, 1998.
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.964
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type
;
Saturn724+ (2x2 bin mode)
;
_diffrn_measurement_method       dtprofit.ref
_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  0.0588
_diffrn_reflns_av_sigmaI/netI    0.0696
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            57678
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         0.99
_exptl_absorpt_coefficient_mu    1.403
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7225
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Sheldrick, G. M. (1996). SADABS. University of G\"ottingen, Germany.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.584
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             4324
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         2.383
_refine_diff_density_min         -1.477
_refine_diff_density_rms         0.197
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1168
_refine_ls_number_reflns         15123
_refine_ls_number_restraints     38
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0804
_refine_ls_R_factor_gt           0.0664
_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^)+(0.1500P)^2^+45.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2129
_refine_ls_wR_factor_ref         0.2311
_reflns_number_gt                12276
_reflns_number_total             15123
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc34200f.txt
_cod_data_source_block           MORF_Sm
_cod_original_sg_symbol_H-M      P21/n
_cod_original_formula_sum        'C81 H94 N11 O37.50 Sm2'
_cod_database_code               7108434