Homochiral 1D-helical coordination polymers from achiral cucurbit[5]uril: hydroquinone-induced spontaneous resolution
Chen, Kai; Hu, Ying-Feng; Xiao, Xin; Xue, Sai-Feng; Tao, Zhu; Zhang, Yun-Qian; Zhu, Qian-Jiang; Liu, Jing-Xin; RSC Advances 2 (2012) 3217–; doi:10.1039/c2ra01132h

data_7238579
_publ_section_title
;
 Homochiral 1D-helical coordination polymers from achiral cucurbit[5]uril:
 hydroquinone-induced spontaneous resolution
;
_journal_issue                   8
_journal_name_full               'RSC Advances'
_journal_page_first              3217
_journal_paper_doi               10.1039/c2ra01132h
_journal_volume                  2
_journal_year                    2012
_chemical_absolute_configuration ' R '
_chemical_formula_moiety
'C30 H38 Dy N20 O14, C6 H6 O2,3(N O3), 7(H2 O)'
_chemical_formula_sum            'C36 H58 Dy N23 O32'
_chemical_formula_weight         1487.55
_chemical_melting_point          ?
_chemical_name_common            compound2a
_space_group_IT_number           169
_space_group_name_Hall           'P 61'
_space_group_name_H-M_alt        'P 61'
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_H-M   'P 61'
_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                120.00
_cell_formula_units_Z            6
_cell_length_a                   14.4478(18)
_cell_length_b                   14.4478(18)
_cell_length_c                   46.109(12)
_cell_measurement_reflns_used    8785
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      25.73
_cell_measurement_theta_min      2.40
_cell_volume                     8335(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      223(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker Smart Apex 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  0.0470
_diffrn_reflns_av_sigmaI/netI    0.0457
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       56
_diffrn_reflns_limit_l_min       -56
_diffrn_reflns_number            58125
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.63
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    1.464
_exptl_absorpt_correction_T_max  0.8213
_exptl_absorpt_correction_T_min  0.7294
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            'red brown'
_exptl_crystal_density_diffrn    1.778
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4542
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.664
_refine_diff_density_min         -0.747
_refine_diff_density_rms         0.134
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.001(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     809
_refine_ls_number_reflns         10420
_refine_ls_number_restraints     21
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0510
_refine_ls_R_factor_gt           0.0448
_refine_ls_shift/su_max          0.079
_refine_ls_shift/su_mean         0.012
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0782P)^2^+20.1941P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1191
_refine_ls_wR_factor_ref         0.1223
_reflns_number_gt                9527
_reflns_number_total             10420
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ra01132h.txt
_cod_data_source_block           2a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_melting_point' value 'not measured' was changed
to '?' -- the value is undefined or not given.

data item '_exptl_absorpt_correction_type' value 'multi scan' was
changed to 'multi-scan' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_symmetry_cell_setting' value 'Hexagonal' was changed to
'hexagonal' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

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

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      P6(1)
_cod_database_code               7238579