Planar chiral desymmetrization of a two-layered cyclophane and control of dynamic helicity through the arrangement of two nonstereogenic centers.
Katoono, Ryo; Suzuki, Takanori; Chemical communications (Cambridge, England) 52 (2016) 1029–1031; doi:10.1039/c5cc09069e

data_7118282
_publ_section_title
;
 Planar chiral desymmetrization of a two-layered cyclophane and control of
 dynamic helicity through the arrangement of two nonstereogenic centers.
;
_journal_issue                   5
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1029
_journal_page_last               1031
_journal_paper_doi               10.1039/c5cc09069e
_journal_volume                  52
_journal_year                    2016
_chemical_formula_moiety         'C151 H146 Cl6 N8 O12'
_chemical_formula_sum            'C151 H146 Cl6 N8 O12'
_chemical_formula_weight         2477.58
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2015-10-29 deposited with the CCDC.
2015-11-17 downloaded from the CCDC.
;
_cell_angle_alpha                104.214(8)
_cell_angle_beta                 92.043(6)
_cell_angle_gamma                94.227(7)
_cell_formula_units_Z            1
_cell_length_a                   14.438(6)
_cell_length_b                   15.006(7)
_cell_length_c                   16.156(7)
_cell_measurement_reflns_used    9025
_cell_measurement_temperature    150
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      3.00
_cell_volume                     3379(3)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r16'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r16 (Rigaku, 2013)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r16'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla, et al., 2005)'
_diffrn_ambient_temperature      150
_diffrn_detector_area_resol_mean 7.314
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'Rigaku Mercury70'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0281
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            22980
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.190
_exptl_absorpt_correction_T_max  0.963
_exptl_absorpt_correction_T_min  0.650
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.218
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1306.00
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.730
_refine_diff_density_min         -0.950
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.269
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     804
_refine_ls_number_reflns         12958
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0794
_refine_ls_shift/su_max          0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.2300
_reflns_number_gt                8193
_reflns_number_total             12961
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c5cc09069e2.cif
_cod_data_source_block           141027r
_cod_database_code               7118282