Designing ionic liquids with boron cluster anions: alkylpyridinium and imidazolium [nido-C2B9H11] and [closo-CB11H12] carborane salts
Dymon, John; Wibby, Ryan; Kleingardner, Jesse; Tanski, Joseph M.; Guzei, Ilia A.; Holbrey, John D.; Larsen, Anna S.; Dalton Transactions  (2008) 2999–3006; doi:10.1039/b802374c

data_7004067
_publ_section_title
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 Designing ionic liquids with boron cluster anions: alkylpyridinium and
 imidazolium [nido-C2B9H11] and [closo-CB11H12] carborane salts
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_journal_issue                   22
_journal_name_full               'Dalton Transactions'
_journal_page_first              2999
_journal_page_last               3006
_journal_paper_doi               10.1039/b802374c
_journal_year                    2008
_chemical_formula_moiety         'C6 N2 H11 1+,C2 B9 H12 1-'
_chemical_formula_sum            'C8 H23 B9 N2'
_chemical_formula_weight         244.57
_chemical_name_common            '1-hexylpyridinium methylcarborane'
_chemical_name_systematic
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;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                87.7610(10)
_cell_angle_beta                 84.0010(10)
_cell_angle_gamma                82.9060(10)
_cell_formula_units_Z            2
_cell_length_a                   7.1768(6)
_cell_length_b                   8.3083(7)
_cell_length_c                   12.5616(11)
_cell_measurement_reflns_used    3698
_cell_measurement_temperature    125(2)
_cell_measurement_theta_max      29.40
_cell_measurement_theta_min      2.47
_cell_volume                     738.95(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      125(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0315
_diffrn_reflns_av_sigmaI/netI    0.0441
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9085
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.63
_exptl_absorpt_coefficient_mu    0.055
_exptl_absorpt_correction_T_max  0.9994
_exptl_absorpt_correction_T_min  0.9901
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.099
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Bulk
_exptl_crystal_F_000             260
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.01
_refine_diff_density_max         1.334
_refine_diff_density_min         -0.570
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     270
_refine_ls_number_reflns         3384
_refine_ls_number_restraints     476
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.1253
_refine_ls_R_factor_gt           0.0887
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1123P)^2^+1.3127P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2396
_refine_ls_wR_factor_ref         0.2661
_reflns_number_gt                2327
_reflns_number_total             3384
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b802374c.txt
_cod_data_source_block           al343b
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7004067