Building a bridge between aprotic and protic ionic liquids
Mirjafari, Arsalan; Pham, Lam N.; McCabe, John R.; Mobarrez, Niloufar; Salter, E. Alan; Wierzbicki, Andrzej; West, Kevin N.; Sykora, Richard E.; Davis, James H.; RSC Adv. 3 (2013) 337–; doi:10.1039/C2RA22752E

data_7238788
_publ_section_title
;
 Building a bridge between aprotic and protic ionic liquids
;
_journal_issue                   2
_journal_name_full               'RSC Adv.'
_journal_page_first              337
_journal_paper_doi               10.1039/C2RA22752E
_journal_volume                  3
_journal_year                    2013
_chemical_formula_moiety         '2(C24 H20 B), C9 H24 N2'
_chemical_formula_sum            'C57 H64 B2 N2'
_chemical_formula_weight         798.72
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 94.267(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.2659(4)
_cell_length_b                   14.8731(4)
_cell_length_c                   18.4787(5)
_cell_measurement_reflns_used    8044
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      25.0351
_cell_measurement_theta_min      3.1450
_cell_volume                     4732.1(2)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_molecular_graphics    'OLEX2 (Dolomanov, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      180(2)
_diffrn_detector_area_resol_mean 16.0514
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w 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  0.0280
_diffrn_reflns_av_sigmaI/netI    0.0301
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            33766
_diffrn_reflns_theta_full        25.09
_diffrn_reflns_theta_max         25.09
_diffrn_reflns_theta_min         3.15
_exptl_absorpt_coefficient_mu    0.063
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.93188
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.121
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1720
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.360
_refine_diff_density_min         -0.169
_refine_diff_density_rms         0.031
_refine_ls_extinction_coef       0.0016(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     555
_refine_ls_number_reflns         8394
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0640
_refine_ls_R_factor_gt           0.0433
_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^)+(0.0401P)^2^+1.4062P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0944
_refine_ls_wR_factor_ref         0.1044
_reflns_number_gt                6371
_reflns_number_total             8394
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ra22752e.txt
_cod_data_source_block           abs
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7238788