The effect of structural heterogeneity upon the microviscosity of ionic liquids.
Clark, Ryan; Nawawi, Mohd A.; Dobre, Ana; Pugh, David; Liu, Qingshan; Ivanov, Aleksandar P.; White, Andrew J. P.; Edel, Joshua B.; Kuimova, Marina K.; McIntosh, Alastair J. S.; Welton, Tom; Chemical science 11 (2020) 6121–6133; doi:10.1039/d0sc02009e

data_1558126
_publ_section_title
;
 The effect of structural heterogeneity upon the microviscosity of ionic
 liquids.
;
_journal_issue                   24
_journal_name_full               'Chemical science'
_journal_page_first              6121
_journal_page_last               6133
_journal_paper_doi               10.1039/d0sc02009e
_journal_volume                  11
_journal_year                    2020
_chemical_formula_moiety         'C21 H21 N2 S2, F6 P'
_chemical_formula_sum            'C21 H21 F6 N2 P S2'
_chemical_formula_weight         510.49
_space_group_crystal_system      monoclinic
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_audit_update_record
;
2020-04-06 deposited with the CCDC.	2020-05-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 114.792(6)
_cell_angle_gamma                90
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_cell_length_c                   15.7950(8)
_cell_measurement_reflns_used    4138
_cell_measurement_temperature    172.95(10)
_cell_measurement_theta_max      27.1360
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_cell_volume                     4739.5(4)
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_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      172.95(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 16.0382
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
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_diffrn_reflns_av_R_equivalents  0.0186
_diffrn_reflns_av_unetI/netI     0.0229
_diffrn_reflns_Laue_measured_fraction_full 0.995
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_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            12437
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.027
_diffrn_reflns_theta_max         25.027
_diffrn_reflns_theta_min         3.192
_diffrn_source                   'fine-focus sealed X-ray tube'
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_exptl_absorpt_coefficient_mu    0.351
_exptl_absorpt_correction_T_max  1.00000
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.46 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.431
_exptl_crystal_description       block
_exptl_crystal_F_000             2096
_exptl_crystal_size_max          0.350
_exptl_crystal_size_mid          0.350
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_refine_diff_density_max         1.073
_refine_diff_density_min         -0.892
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         4180
_refine_ls_number_restraints     66
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.0782
_refine_ls_R_factor_gt           0.0660
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1175P)^2^+14.4064P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1906
_refine_ls_wR_factor_ref         0.2032
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3390
_reflns_number_total             4180
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0sc02009e2.cif
_cod_data_source_block           Cy3_PF6
_cod_depositor_comments
;Adding full bibliography for 1558120--1558126.cif.

 Adding full bibliography for 1558120--1558126.cif.
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1558126
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.887
_shelx_estimated_absorpt_t_max   0.933
_oxdiff_exptl_absorpt_empirical_full_min 0.929
_oxdiff_exptl_absorpt_empirical_full_max 1.061
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              58586
_shelx_fab_checksum              43713