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_1563868
_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         'C70 H52, C6 H12, C5 H12'
_chemical_formula_sum            'C81 H76'
_chemical_formula_weight         1049.41
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method
;
FinalCif V84 by Daniel Kratzert, Freiburg 2021,
https://github.com/dkratzert/FinalCif
;
_audit_update_record
;
2021-01-20 deposited with the CCDC.	2021-06-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   17.0179(16)
_cell_length_b                   18.630(2)
_cell_length_c                   38.286(9)
_cell_measurement_reflns_used    9930
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      48.2835
_cell_measurement_theta_min      2.305
_cell_volume                     12138(3)
_computing_cell_refinement       'SAINT V8.40A'
_computing_data_collection       'Bruker BIS V6.2.12/2019-08-12'
_computing_data_reduction        'SAINT V8.40A'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 CPAD
_diffrn_detector_area_resol_mean 7.41
_diffrn_detector_type            'Bruker PHOTON III'
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_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_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.1669
_diffrn_reflns_av_unetI/netI     0.0697
_diffrn_reflns_Laue_measured_fraction_full 0.980
_diffrn_reflns_Laue_measured_fraction_max 0.980
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            154610
_diffrn_reflns_point_group_measured_fraction_full 0.980
_diffrn_reflns_point_group_measured_fraction_max 0.980
_diffrn_reflns_theta_full        54.928
_diffrn_reflns_theta_max         54.928
_diffrn_reflns_theta_min         2.308
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           1.1
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.483
_exptl_absorpt_correction_T_max  0.7507
_exptl_absorpt_correction_T_min  0.604
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction:
Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D., J. Appl. Cryst. 48
(2015) 3-10
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.148
_exptl_crystal_description       plate
_exptl_crystal_F_000             4496
_exptl_crystal_recrystallization_method
'slow evaporation of a solution of a mixture of n-pentane, cyclohexane anddichloromethane'
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.110
_exptl_crystal_size_min          0.010
_refine_diff_density_max         0.419
_refine_diff_density_min         -0.273
_refine_diff_density_rms         0.063
_refine_ls_extinction_coef       0.00040(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     787
_refine_ls_number_reflns         7451
_refine_ls_number_restraints     307
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.1683
_refine_ls_R_factor_gt           0.0990
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1099P)^2^+28.5654P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2441
_refine_ls_wR_factor_ref         0.2878
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4229
_reflns_number_total             7451
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc02718b2.cif
_cod_data_source_block           cu_Esser_DW_351_0m_a
_cod_database_code               1563868
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.944
_shelx_estimated_absorpt_t_max   0.995
_olex2_diffrn_ambient_temperature_device 'Oxford Cryostream 800'
_shelx_res_checksum              20967
_shelx_hkl_checksum              52105