Tuning the melting point of selected ionic liquids through adjustment of the cation's dipole moment.
Rabideau, Brooks D.; Soltani, Mohammad; Parker, Rome A.; Siu, Benjamin; Salter, E. Alan; Wierzbicki, Andrzej; West, Kevin N.; Davis, Jr, James H; Physical chemistry chemical physics : PCCP 22 (2020) 12301–12311; doi:10.1039/d0cp01214a

data_7240483
_publ_section_title
;
 Tuning the melting point of selected ionic liquids through adjustment of
 the cation's dipole moment.
;
_journal_issue                   21
_journal_name_full               'Physical chemistry chemical physics : PCCP'
_journal_page_first              12301
_journal_page_last               12311
_journal_paper_doi               10.1039/d0cp01214a
_journal_volume                  22
_journal_year                    2020
_chemical_formula_moiety         'C30 H23 F O P, C2 F6 N O4 S2'
_chemical_formula_sum            'C32 H23 F7 N O5 P S2'
_chemical_formula_weight         729.60
_chemical_name_systematic
'[4-(2-fluorphenoxy)phenyl]triphenylphosphonium bistriflimide'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-02-25 deposited with the CCDC.	2020-05-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   18.0015(14)
_cell_length_b                   18.7263(15)
_cell_length_c                   18.8837(16)
_cell_measurement_reflns_used    9810
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      33.1353
_cell_measurement_theta_min      2.4313
_cell_volume                     6365.7(9)
_computing_cell_refinement       'SAINT V8.38A (Bruker, 2016)'
_computing_data_collection       'Apex3 v2018.1-0 (Bruker, 2018)'
_computing_data_reduction        'SAINT V8.38A (Bruker, 2016)'
_computing_structure_refinement
;  
SHELXL-2018/3 (Sheldrick, 2015, 2018), 
SHELXLE Rev946 (H\"ubschle et al., 2011)
;
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker AXS D8 Quest CMOS diffractometer'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  'Triumph curved graphite crystal'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0466
_diffrn_reflns_av_unetI/netI     0.0229
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            147999
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         33.230
_diffrn_reflns_theta_min         2.157
_diffrn_source                   'fine focus sealed tube X-ray source'
_diffrn_source_current           '30 mA'
_diffrn_source_voltage           '50 kV'
_exptl_absorpt_coefficient_mu    0.301
_exptl_absorpt_correction_T_max  0.7465
_exptl_absorpt_correction_T_min  0.6890
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.523
_exptl_crystal_description       plate
_exptl_crystal_F_000             2976
_exptl_crystal_size_max          0.520
_exptl_crystal_size_mid          0.460
_exptl_crystal_size_min          0.210
_refine_diff_density_max         0.790
_refine_diff_density_min         -0.618
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     579
_refine_ls_number_reflns         12152
_refine_ls_number_restraints     513
_refine_ls_restrained_S_all      1.127
_refine_ls_R_factor_all          0.0827
_refine_ls_R_factor_gt           0.0579
_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^)+(0.0967P)^2^+4.2261P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1578
_refine_ls_wR_factor_ref         0.1854
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8861
_reflns_number_total             12152
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cp01214a2.cif
_cod_data_source_block           JD_POP_OF_0m
_cod_depositor_comments
'Adding full bibliography for 7240483--7240486.cif.'
_cod_database_code               7240483
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.859
_shelx_estimated_absorpt_t_max   0.939
_shelx_res_checksum              36580