Developing Structural First Principles for Alkylated Triphenylphosphonium-Based Ionic Liquids
O’Rourke, Brianna; Lauderback, Clare; Teodoro, Lara I.; Grimm, Morgan; Zeller, Matthias; Mirjafari, Arsalan; Guillet, Gary L.; Hillesheim, Patrick C.; ACS Omega 6 (2021) 32285–32296; doi:10.1021/acsomega.1c05241

data_4519185
_publ_section_title
;
 Developing Structural First Principles for Alkylated
 Triphenylphosphonium-Based Ionic Liquids
;
_journal_issue                   47
_journal_name_full               'ACS Omega'
_journal_page_first              32285
_journal_page_last               32296
_journal_paper_doi               10.1021/acsomega.1c05241
_journal_volume                  6
_journal_year                    2021
_chemical_formula_moiety         'C2 F6 N O4 S2, C22 H24 P'
_chemical_formula_sum            'C24 H24 F6 N O4 P S2'
_chemical_formula_weight         599.53
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_date             2020-12-04
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6226)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.2282(5)
_cell_length_b                   19.4802(5)
_cell_length_c                   8.9123(3)
_cell_measurement_reflns_used    14068
_cell_measurement_temperature    170
_cell_measurement_theta_max      25.1370
_cell_measurement_theta_min      2.4920
_cell_volume                     2817.43(15)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46b (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46b (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46b (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      170
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'XtaLAB Mini (ROW)'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0531
_diffrn_reflns_av_unetI/netI     0.0379
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.984
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            66301
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.967
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         33.107
_diffrn_reflns_theta_min         2.091
_diffrn_source                   'fine-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.316
_exptl_absorpt_correction_T_max  1.227
_exptl_absorpt_correction_T_min  0.827
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46b (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.413
_exptl_crystal_description       block
_exptl_crystal_F_000             1232
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.319
_refine_diff_density_min         -0.229
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details
;
 Flack x determined using 2437 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.01(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     344
_refine_ls_number_reflns         10367
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.0986
_refine_ls_R_factor_gt           0.0544
_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^)+(0.0663P)^2^+0.9085P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1266
_refine_ls_wR_factor_ref         0.1537
_reflns_Friedel_coverage         0.864
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.947
_reflns_number_gt                6554
_reflns_number_total             10367
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao1c05241_si_001.cif
_cod_data_source_block           x1029
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_atom_sites_solution_secondary' value 'diffmap' was
changed to 'difmap'.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_database_code               4519185
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.940
_shelx_estimated_absorpt_t_min   0.884
_oxdiff_exptl_absorpt_empirical_full_min 0.827
_oxdiff_exptl_absorpt_empirical_full_max 1.227
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_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 Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C2(H2A,H2B), C3(H3A,H3B)
2.b Aromatic/amide H refined with riding coordinates:
 C6A(H6A), C7A(H7A), C8A(H8A), C9A(H9A), C10A(H10A), C6B(H6B), C7B(H7B),
 C8B(H8B), C9B(H9B), C10B(H10B), C6C(H6C), C7C(H7C), C8C(H8C), C9C(H9C),
 C10C(H10C)
2.c Idealised Me refined as rotating group:
 C4(H4A,H4B,H4C)
;
_shelx_res_checksum              93709
_shelx_hkl_checksum              49596
_olex2_submission_special_instructions 'No special instructions were received'