A series of enantiopure BEDT-TTF-acetamide derivatives with two stereogenic centres
Short, Jonathan I.; Rushbridge, Elizabeth K.; Blundell, Toby J.; Ogar, Joseph O.; Yang, Songjie; Wallis, John D.; Martin, Lee; New Journal of Chemistry 49 (2025) 910–920; doi:10.1039/D4NJ03967J

data_7063599
_publ_section_title
;
 A series of enantiopure BEDT-TTF-acetamide derivatives with two
 stereogenic centres
;
_journal_issue                   3
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              910
_journal_page_last               920
_journal_paper_doi               10.1039/D4NJ03967J
_journal_volume                  49
_journal_year                    2025
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C20 H18 Cl N O S8'
_chemical_formula_sum            'C20 H18 Cl N O S8'
_chemical_formula_weight         580.28
_chemical_melting_point          448
_chemical_name_systematic
;
(1''R,5S)-N-(1''-(3'''-Chlorophenyl)ethyl)-(BEDT-TTF)-acetamide
;
_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
_audit_creation_date             2024-06-09
_audit_creation_method
;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-09-07 deposited with the CCDC.	2024-12-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.99620(10)
_cell_length_b                   20.1560(2)
_cell_length_c                   23.8244(2)
_cell_measurement_reflns_used    13623
_cell_measurement_temperature    120.00(10)
_cell_measurement_theta_max      78.5120
_cell_measurement_theta_min      2.8560
_cell_volume                     2399.20(6)
_computing_cell_refinement       'CrysAlisPro 1.171.42.92a (Rigaku OD, 2023)'
_computing_data_collection       'CrysAlisPro 1.171.42.92a (Rigaku OD, 2023)'
_computing_data_reduction        'CrysAlisPro 1.171.42.92a (Rigaku OD, 2023)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      120.00(10)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            'HyPix-Arc 100'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.914
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy R, DW system, HyPix-Arc 100'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0315
_diffrn_reflns_av_unetI/netI     0.0267
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.914
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            18434
_diffrn_reflns_point_group_measured_fraction_full 0.975
_diffrn_reflns_point_group_measured_fraction_max 0.867
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         80.266
_diffrn_reflns_theta_min         2.872
_diffrn_source                   'Rotating-anode X-ray tube'
_diffrn_source_type              'Rigaku (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    8.050
_exptl_absorpt_correction_T_max  0.848
_exptl_absorpt_correction_T_min  0.496
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.42.92a (Rigaku Oxford Diffraction, 2023)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.607
_exptl_crystal_description       needle
_exptl_crystal_F_000             1192
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.488
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.049
_refine_ls_abs_structure_details
;
 Flack x determined using 1647 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.006(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     282
_refine_ls_number_reflns         4556
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0246
_refine_ls_R_factor_gt           0.0232
_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^)+(0.0268P)^2^+0.8414P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0554
_refine_ls_wR_factor_ref         0.0560
_reflns_Friedel_coverage         0.627
_reflns_Friedel_fraction_full    0.939
_reflns_Friedel_fraction_max     0.800
_reflns_number_gt                4389
_reflns_number_total             4556
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4nj03967j2.cif
_cod_data_source_block           RSClDONOR
_cod_depositor_comments
'Adding full bibliography for 7063591--7063600.cif.'
_cod_database_code               7063599
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.644
_shelx_estimated_absorpt_t_min   0.399
_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:
 C1(H1A), C13(H13)
2.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C9(H9A,H9B), C10(H10A,H10B), C11(H11A,H11B)
2.c Aromatic/amide H refined with riding coordinates:
 N1(H1), C16(H16), C18(H18), C19(H19), C20(H20)
2.d Idealised Me refined as rotating group:
 C14(H14A,H14B,H14C)
;
_shelx_res_checksum              38166
_olex2_submission_special_instructions 'No special instructions were received'