Regulation of Axial Chirality through Dynamic Covalent Bond Constrained Biaryls.
Zheng, Hao; Ni, Cailing; Chen, Hang; Zha, Daijun; Hai, Yu; Ye, Hebo; You, Lei; ACS omega 4 (2019) 10273–10278; doi:10.1021/acsomega.9b01273

data_4515155
_publ_section_title
;
 Regulation of Axial Chirality through Dynamic Covalent Bond Constrained
 Biaryls.
;
_journal_issue                   6
_journal_name_full               'ACS omega'
_journal_page_first              10273
_journal_page_last               10278
_journal_paper_doi               10.1021/acsomega.9b01273
_journal_volume                  4
_journal_year                    2019
_chemical_formula_sum            'C16 H15 N O2'
_chemical_formula_weight         253.29
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 106.310(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.4539(2)
_cell_length_b                   11.2454(2)
_cell_length_c                   12.3556(3)
_cell_measurement_reflns_used    2765
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      73.2070
_cell_measurement_theta_min      3.8990
_cell_volume                     1260.70(5)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0122
_diffrn_reflns_av_unetI/netI     0.0173
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.959
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            4087
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.959
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         73.356
_diffrn_reflns_theta_min         5.241
_exptl_absorpt_coefficient_mu    0.707
_exptl_crystal_density_diffrn    1.334
_exptl_crystal_description       cuboid
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.210
_exptl_crystal_size_min          0.170
_refine_diff_density_max         0.296
_refine_diff_density_min         -0.276
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         2430
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0391
_refine_ls_R_factor_gt           0.0367
_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^)+(0.0424P)^2^+0.6190P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0926
_refine_ls_wR_factor_ref         0.0944
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2273
_reflns_number_total             2430
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao9b01273_si_002.cif
_cod_data_source_block           2b
_cod_database_code               4515155
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.860
_shelx_estimated_absorpt_t_max   0.889
_shelx_res_checksum              94572
_shelx_hkl_checksum              98381