Encapsulation of Quinine by β-Cyclodextrin: Excellent Model for Mimicking Enzyme-Substrate Interactions
Zhi Fan; Chun-Hua Diao; Hai-Bin Song; Zuo-Liang Jing; Ming Yu; Xin Chen; Min-Jie Guo; Journal of Organic Chemistry 71 (2006) 1244–1246; doi:10.1021/jo052183j

data_4021450
_publ_section_title
;
 Encapsulation of Quinine by \b-Cyclodextrin: Excellent Model
 for Mimicking Enzyme-Substrate Interactions
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1244
_journal_page_last               1246
_journal_paper_doi               10.1021/jo052183j
_journal_volume                  71
_journal_year                    2006
_chemical_formula_sum            'C62 H127 N2 O53.5'
_chemical_formula_weight         1756.66
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 93.145(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.601(4)
_cell_length_b                   26.402(9)
_cell_length_c                   15.586(6)
_cell_measurement_reflns_used    1020
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.64
_cell_measurement_theta_min      2.39
_cell_volume                     4356(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0302
_diffrn_reflns_av_sigmaI/netI    0.0609
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            22768
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    0.118
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.798778
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.339
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1882
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.451
_refine_diff_density_min         -0.327
_refine_diff_density_rms         0.093
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1.6(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.116
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1203
_refine_ls_number_reflns         13921
_refine_ls_number_restraints     129
_refine_ls_restrained_S_all      1.120
_refine_ls_R_factor_all          0.1160
_refine_ls_R_factor_gt           0.0715
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1134P)^2^+0.2501P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1745
_refine_ls_wR_factor_ref         0.2075
_reflns_number_gt                9249
_reflns_number_total             13921
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo052183jsi20051024_060247.cif
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'NONE' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_original_formula_sum        'C62 H127 N2 O53.50'
_cod_database_code               4021450