Interrogating the thionium hydrogen bond as a noncovalent stereocontrolling interaction in chiral phosphate catalysis
Lai, Junshan; Reid, Jolene P.; Chemical Science 13 (2022) 11065–11073; doi:10.1039/D2SC02171D

data_1567487
_publ_section_title
;
 Interrogating the thionium hydrogen bond as a noncovalent
 stereocontrolling interaction in chiral phosphate catalysis
;
_journal_issue                   37
_journal_name_full               'Chemical Science'
_journal_page_first              11065
_journal_page_last               11073
_journal_paper_doi               10.1039/D2SC02171D
_journal_volume                  13
_journal_year                    2022
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C16 H17 N O2 S2'
_chemical_formula_sum            'C16 H17 N O2 S2'
_chemical_formula_weight         319.42
_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'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-02-01
_audit_creation_method
;
Olex2 1.5
(compiled 2021.12.09 svn.r5202d8cf for OlexSys, GUI svn.r6439)
;
_audit_update_record
;
2022-02-03 deposited with the CCDC.	2022-08-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.2635(5)
_cell_length_b                   11.4411(10)
_cell_length_c                   20.8675(18)
_cell_measurement_reflns_used    9906
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      67.78
_cell_measurement_theta_min      4.24
_cell_volume                     1495.4(2)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      90(2)
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'Bruker D8 Kappa diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'cross coupled multi-layer optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0616
_diffrn_reflns_av_unetI/netI     0.0258
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            40112
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.189
_diffrn_reflns_theta_min         4.237
_diffrn_source                   'microsource sealed X-ray tube'
_diffrn_source_current           0.59
_diffrn_source_power             0.0263612
_diffrn_source_voltage           44.68
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.255
_exptl_absorpt_correction_T_max  0.907
_exptl_absorpt_correction_T_min  0.800
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0913 before and 0.0712 after correction.
The ratio of minimum to maximum transmission is 0.8821.
The \l/2 correction factor is not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_description       needle
_exptl_crystal_F_000             672
_exptl_crystal_recrystallization_method
'The material was recrystallised from a mixture of DCM and pentane  by slow evaporation'
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.259
_refine_diff_density_min         -0.256
_refine_diff_density_rms         0.045
_refine_ls_abs_structure_details
;
 Flack x determined using 1043 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.010(7)
_refine_ls_extinction_coef       0.0008(2)
_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   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         2735
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0294
_refine_ls_R_factor_gt           0.0262
_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^)+(0.0255P)^2^+0.7576P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0591
_refine_ls_wR_factor_ref         0.0620
_reflns_Friedel_coverage         0.699
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.991
_reflns_number_gt                2604
_reflns_number_total             2735
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc02171d4.cif
_cod_data_source_block           reid001
_cod_depositor_comments          'Adding full bibliography for 1567487.cif.'
_cod_database_code               1567487
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.909
_shelx_estimated_absorpt_t_min   0.737
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C10(H10)
2.b Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B), C9(H9A,H9B)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C5(H5), C6(H6), C12(H12), C13(H13), C14(H14), C15(H15),
 C16(H16)
2.d Idealised Me refined as rotating group:
 C7(H7A,H7B,H7C)
;
_shelx_res_checksum              10374
_shelx_hkl_checksum              33388
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a mylar loop in oil'
_olex2_submission_original_sample_id jlai50-trip
_olex2_submission_special_instructions 'No special instructions were received'