Supramolecular Self-Assemblies of β-Cyclodextrins with Aromatic Tethers: Factors Governing the Helical Columnar versus Linear Channel Superstructures
Yu Liu; Zhi Fan; Heng-Yi Zhang; Ying-Wei Yang; Fei Ding; Shuang-Xi Liu; Xue Wu; Takehiko Wada; Yoshihisa Inoue; Journal of Organic Chemistry 68 (2003) 8345–8352; doi:10.1021/jo034632q

data_4022490
_publ_section_title
;
 Supramolecular Self-Assemblies of \b-Cyclodextrins
 with Aromatic Tethers: Factors Governing the Helical
 Columnar versus Linear Channel Superstructures
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8345
_journal_page_last               8352
_journal_paper_doi               10.1021/jo034632q
_journal_volume                  68
_journal_year                    2003
_chemical_formula_sum            'C49 H80 N0 O40'
_chemical_formula_weight         1309.13
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                   13.204(5)
_cell_length_b                   19.146(7)
_cell_length_c                   28.835(12)
_cell_measurement_temperature    293(2)
_cell_volume                     7290(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.2146
_diffrn_reflns_av_sigmaI/netI    0.2553
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            30174
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.28
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_T_max  0.9844
_exptl_absorpt_correction_T_min  0.9692
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.193
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2776
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.005
_refine_diff_density_min         -0.695
_refine_diff_density_rms         0.196
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1(3)
_refine_ls_extinction_coef       0.092(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     803
_refine_ls_number_reflns         12876
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.2946
_refine_ls_R_factor_gt           0.1416
_refine_ls_shift/su_max          0.482
_refine_ls_shift/su_mean         0.018
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3217
_refine_ls_wR_factor_ref         0.4211
_reflns_number_gt                4182
_reflns_number_total             12876
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo034632qsi20030910_105355.cif
_cod_data_source_block           compound_3
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'OrTHORHOMBIC' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed
to 'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               4022490