The pentafluoroethyltrihydridoborate anion: From shock sensitive salts to stable room temperature ionic liquids
Hennig, Philipp T.; Sprenger, Jan Arke Peter; Schneider, Leon; Ignat'ev, Nikolai; Finze, Maik; Chemical Communications  (2019) –; doi:10.1039/C9CC02935D

data_7123379
_publ_section_title
;
 The pentafluoroethyltrihydridoborate anion: From shock sensitive salts to
 stable room temperature ionic liquids
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC02935D
_journal_year                    2019
_chemical_formula_sum            'C18 H39 B F5 N'
_chemical_formula_weight         375.31
_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   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-05-10 deposited with the CCDC.    2019-05-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.429(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.8965(16)
_cell_length_b                   16.170(3)
_cell_length_c                   15.312(3)
_cell_measurement_reflns_used    9919
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.1185
_cell_measurement_theta_min      2.5005
_cell_volume                     2178.9(7)
_computing_cell_refinement       'Saint+ ver. V8.34A (Bruker AXS)'
_computing_data_collection       'APEX2 ver. 2014.9 (Bruker AXS)'
_computing_data_reduction        'Saint+ ver. V8.34A (Bruker AXS)'
_computing_molecular_graphics    'ShelXLe (Huebschle et all, 2011)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD area detector (Apex2)'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker X8-APEX II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'multi-layer mirror'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0335
_diffrn_reflns_av_unetI/netI     0.0208
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            27674
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         26.218
_diffrn_reflns_theta_min         1.842
_diffrn_source                   'rotating-anode (Nonius FR-591)'
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.7453
_exptl_absorpt_correction_T_min  0.6491
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SadAbs 2014/5 (Bruker AXS)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.144
_exptl_crystal_description       block
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.368
_refine_diff_density_min         -0.244
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     292
_refine_ls_number_reflns         4355
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0595
_refine_ls_R_factor_gt           0.0468
_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^)+(0.0510P)^2^+1.3061P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1145
_refine_ls_wR_factor_ref         0.1241
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3549
_reflns_number_total             4355
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc02935d2.cif
_cod_data_source_block           test_a
_cod_database_code               7123379
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              9553