Enantiopure nanohoops through racemic resolution of diketo[n]CPPs by chiral derivatization as precursors to DBP[n]CPPs
Wassy, Daniel; Hermann, Mathias; Wössner, Jan S.; Frédéric, Lucas; Pieters, Grégory; Esser, Birgit; Chemical Science  (2021) –; doi:10.1039/D1SC02718B

data_1563864
_publ_section_title
;
 Enantiopure nanohoops through racemic resolution of diketo[n]CPPs by
 chiral derivatization as precursors to DBP[n]CPPs
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC02718B
_journal_year                    2021
_chemical_formula_moiety         'C28 H32 B2 O6'
_chemical_formula_sum            'C28 H32 B2 O6'
_chemical_formula_weight         486.15
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method
;
FinalCif V70 by Daniel Kratzert, Freiburg 2019,
https://github.com/dkratzert/FinalCif
;
_audit_update_record
;
2020-10-12 deposited with the CCDC.	2021-06-21 downloaded from the CCDC.
;
_cell_angle_alpha                88.121(3)
_cell_angle_beta                 83.773(3)
_cell_angle_gamma                83.522(3)
_cell_formula_units_Z            2
_cell_length_a                   10.6190(7)
_cell_length_b                   11.0730(8)
_cell_length_c                   11.4420(9)
_cell_measurement_reflns_used    9907
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.527
_cell_measurement_theta_min      2.782
_cell_volume                     1328.63(17)
_computing_cell_refinement       'SAINT V8.40A'
_computing_data_collection       'Bruker BIS V6.2.14/2020-04-30'
_computing_data_reduction        'SAINT V8.40A'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 HPAD
_diffrn_detector_area_resol_mean 7.41
_diffrn_detector_type            'Bruker PHOTON III'
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 VENTURE dual wavelength Mo/Cu'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_measurement_specimen_support 'MiTeGen micromount'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0315
_diffrn_reflns_av_unetI/netI     0.0171
_diffrn_reflns_Laue_measured_fraction_full 0.983
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            61908
_diffrn_reflns_point_group_measured_fraction_full 0.983
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.508
_diffrn_reflns_theta_min         2.531
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           1.4
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.7236
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.215
_exptl_crystal_description       block
_exptl_crystal_F_000             516
_exptl_crystal_recrystallization_method
'slow evaporation of a ethyl acetate solution'
_exptl_crystal_size_max          0.320
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.070
_refine_diff_density_max         0.447
_refine_diff_density_min         -0.318
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     499
_refine_ls_number_reflns         8013
_refine_ls_number_restraints     301
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0469
_refine_ls_R_factor_gt           0.0433
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0560P)^2^+0.4124P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1119
_refine_ls_wR_factor_ref         0.1150
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7342
_reflns_number_total             8013
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc02718b2.cif
_cod_data_source_block           mo_Esser_JW_581_0m_a
_cod_database_code               1563864
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.974
_shelx_estimated_absorpt_t_max   0.994
_olex2_diffrn_ambient_temperature_device 'Oxford Cryostream 800'
_shelx_res_checksum              80289
_shelx_hkl_checksum              12290