Imidazolium-based ionic liquids with large weakly coordinating anions
Levason, William; Pugh, David; Reid, Gillian; New J. Chem. 41 (2017) 1677–; doi:10.1039/C6NJ03674K

data_7055941
_publ_section_title
;
 Imidazolium-based ionic liquids with large weakly coordinating anions
;
_journal_issue                   4
_journal_name_full               'New J. Chem.'
_journal_page_first              1677
_journal_paper_doi               10.1039/C6NJ03674K
_journal_volume                  41
_journal_year                    2017
_chemical_formula_moiety         'C32 H12 B F24, C27 H37 N2'
_chemical_formula_sum            'C59 H49 B F24 N2'
_chemical_formula_weight         1252.81
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2016-11-01 deposited with the CCDC.
2017-01-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 118.318(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.685(3)
_cell_length_b                   17.676(2)
_cell_length_c                   19.680(3)
_cell_measurement_reflns_used    13247
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.6
_cell_measurement_theta_min      2.3
_cell_volume                     5722.0(14)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.1 b29 (Rigaku, 2013)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.1 b29 (Rigaku, 2013)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.1 b29 (Rigaku, 2013)
;
_computing_molecular_graphics    'ORTEP-III (Farrugia, 1997)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    SUPERFLIP
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 28.5714
_diffrn_detector_type            'Rigaku HG Saturn724+ (2x2 bin mode)'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'four-circle \k diffractometer'
_diffrn_measurement_device_type  'Rigaku AFC12 (Right)'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support 'MiTeGen micromount'
_diffrn_radiation_collimation    'Confocal mirrors, VHF Varimax '
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0632
_diffrn_reflns_av_unetI/netI     0.0605
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            36828
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         26.372
_diffrn_reflns_theta_min         3.100
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           55.0
_diffrn_source_power             2.475
_diffrn_source_voltage           45.0
_exptl_absorpt_coefficient_mu    0.139
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.326
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear-SM Expert 2.1 b29 (Rigaku, 2013)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.454
_exptl_crystal_description       block
_exptl_crystal_F_000             2552
_exptl_crystal_size_max          0.140
_exptl_crystal_size_mid          0.130
_exptl_crystal_size_min          0.110
_refine_diff_density_max         0.580
_refine_diff_density_min         -0.447
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.988
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     811
_refine_ls_number_reflns         11675
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      0.992
_refine_ls_R_factor_all          0.0707
_refine_ls_R_factor_gt           0.0454
_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^)+(0.0600P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1103
_refine_ls_wR_factor_ref         0.1206
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8183
_reflns_number_total             11675
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6nj03674k2.cif
_cod_data_source_block           shelx
_cod_depositor_comments
'Adding full bibliography for 7055936--7055943.cif.'
_cod_original_cell_volume        5722.1(15)
_cod_database_code               7055941
_shelx_estimated_absorpt_t_min   0.981
_shelx_estimated_absorpt_t_max   0.985
_shelxl_version_number           2013-4
_shelx_res_checksum              97356