Supramolecular complexes of α,α′,δ,δ′-tetramethyl-cucurbit[6]uril binding with enantiomeric amino acids
Shan, Pei-Hui; Tu, Shi-Chun; Lin, Rui-Lian; Tao, Zhu; Liu, Jing-Xin; Xiao, Xin; CrystEngComm 19 (2017) 2168–; doi:10.1039/C7CE00340D

data_7227909
_publ_section_title
;
 Supramolecular complexes of
 \a,\a&#x2032;,\d,\d&#x2032;-tetramethyl-cucurbit[6]uril binding with
 enantiomeric amino acids
;
_journal_issue                   16
_journal_name_full               CrystEngComm
_journal_page_first              2168
_journal_paper_doi               10.1039/C7CE00340D
_journal_volume                  19
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_sum            'C85 H139 Cd N51 O53'
_chemical_formula_weight         2835.87
_chemical_name_common            {TMeQ[6]?Cd(H2O)3D-Val?TMeQ[6]}.(NO3)2.21H2O
_chemical_name_systematic        complex7
_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
_audit_update_record
;
2017-03-18 deposited with the CCDC.
2017-03-21 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 100.665(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.4651(9)
_cell_length_b                   16.3400(11)
_cell_length_c                   29.934(2)
_cell_measurement_reflns_used    8129
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      23.94
_cell_measurement_theta_min      2.19
_cell_volume                     6472.3(8)
_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      273(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker CCD Area Detector'
_diffrn_measurement_method       '\f and \w scan'
_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  0.0414
_diffrn_reflns_av_sigmaI/netI    0.0523
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            58753
_diffrn_reflns_theta_full        25.10
_diffrn_reflns_theta_max         25.10
_diffrn_reflns_theta_min         0.69
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    0.277
_exptl_absorpt_correction_T_max  0.9441
_exptl_absorpt_correction_T_min  0.9265
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.455
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2956
_exptl_crystal_recrystallization_method 'Vapour deposition'
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.21
_platon_squeeze_details
'                                                              '
_refine_diff_density_max         0.378
_refine_diff_density_min         -0.412
_refine_diff_density_rms         0.060
_refine_ls_abs_structure_details 'Flack (1983), 9475 Friedel pairs'
_refine_ls_abs_structure_Flack   0.026(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1621
_refine_ls_number_reflns         21388
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0523
_refine_ls_R_factor_gt           0.0438
_refine_ls_shift/su_max          0.015
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0650P)^2^+0.5550P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1082
_refine_ls_wR_factor_ref         0.1132
_reflns_number_gt                18199
_reflns_number_total             21388
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7ce00340d2.cif
_cod_data_source_block           p
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 7227908--7227914.cif.
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7227909