Hydrophobic ionic liquids with strongly coordinating anions
Mehdi, Hasan; Binnemans, Koen; Van Hecke, Kristof; Van Meervelt, Luc; Nockemann, Peter; Chemical Communications 46 (2010) 234–236; doi:10.1039/b914977e

data_7111560
_publ_section_title
;
 Hydrophobic ionic liquids with strongly coordinating anions
;
_journal_issue                   2
_journal_name_full               'Chemical Communications'
_journal_page_first              234
_journal_page_last               236
_journal_paper_doi               10.1039/b914977e
_journal_volume                  46
_journal_year                    2010
_chemical_formula_moiety         'C20 H4 F24 Nd O8, C8 H15 N2'
_chemical_formula_sum            'C28 H19 F24 N2 Nd O8'
_chemical_formula_weight         1111.69
_chemical_name_systematic
;
?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   16.4109(3)
_cell_length_b                   21.9547(5)
_cell_length_c                   43.1651(8)
_cell_measurement_reflns_used    6903
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      71.31
_cell_measurement_theta_min      3.38
_cell_volume                     15552.2(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_publication_material  Platon
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'SMART 6000'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'crossed G\"obel mirrors'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0878
_diffrn_reflns_av_sigmaI/netI    0.0394
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       50
_diffrn_reflns_limit_l_min       -52
_diffrn_reflns_number            134988
_diffrn_reflns_theta_full        71.47
_diffrn_reflns_theta_max         71.47
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    11.734
_exptl_absorpt_correction_T_max  0.096
_exptl_absorpt_correction_T_min  0.018
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.899
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             8656
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.2
_refine_diff_density_max         3.371
_refine_diff_density_min         -1.435
_refine_diff_density_rms         0.169
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1251
_refine_ls_number_reflns         15060
_refine_ls_number_restraints     979
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0616
_refine_ls_R_factor_gt           0.0529
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0883P)^2^+73.9228P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1342
_refine_ls_wR_factor_ref         0.1425
_reflns_number_gt                12984
_reflns_number_total             15060
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b914977esup1.cif
_cod_data_source_block           wg209
_cod_database_code               7111560