Disparate Catalytic Scaffolds for Atroposelective Cyclodehydration.
Kwon, Yongseok; Li, Junqi; Reid, Jolene P.; Crawford, Jennifer M.; Jacob, Roxane; Sigman, Matthew S.; Toste, F. Dean; Miller, Scott J.; Journal of the American Chemical Society 141 (2019) 6698–6705; doi:10.1021/jacs.9b01911

data_4128244
_publ_section_title
;
 Disparate Catalytic Scaffolds for Atroposelective Cyclodehydration.
;
_journal_issue                   16
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6698
_journal_page_last               6705
_journal_paper_doi               10.1021/jacs.9b01911
_journal_volume                  141
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C22 H19 F3 N2'
_chemical_formula_sum            'C22 H19 F3 N2'
_chemical_formula_weight         368.39
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     SHELXT
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   10.5145(2)
_cell_length_b                   12.1928(3)
_cell_length_c                   29.5112(7)
_cell_measurement_reflns_used    38279
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      68.3400
_cell_measurement_theta_min      2.9570
_cell_volume                     3783.37(15)
_computing_cell_refinement       'CrysAlisPro 1.171.39.16b (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.39.16b (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.39.16b (Rigaku OD, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'CIFTAB-2014/2 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT-2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      93(2)
_diffrn_detector_area_resol_mean 22.2
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Rigaku Saturn 944+ CCD'
_diffrn_measurement_method       \w
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0694
_diffrn_reflns_av_unetI/netI     0.0210
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            138078
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         68.851
_diffrn_reflns_theta_min         2.995
_diffrn_source                   'microfocus rotating anode'
_exptl_absorpt_coefficient_mu    0.810
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.79772
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro 1.171.39.16b (Rigaku Oxford Diffraction, 2015) 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.294
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.443
_refine_diff_density_min         -0.265
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details
; 
 Flack x determined using 2631 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_abs_structure_Flack   -0.06(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     493
_refine_ls_number_reflns         6946
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0370
_refine_ls_R_factor_gt           0.0323
_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^)+(0.0416P)^2^+0.7696P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0769
_refine_ls_wR_factor_ref         0.0798
_reflns_Friedel_coverage         0.772
_reflns_Friedel_fraction_full    0.993
_reflns_Friedel_fraction_max     0.988
_reflns_number_gt                6410
_reflns_number_total             6946
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b01911_si_002.cif
_cod_data_source_block           007b-18059
_cod_database_code               4128244
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.855
_shelx_estimated_absorpt_t_max   0.984
_shelx_res_checksum              76306
_shelx_hkl_checksum              54619