Double Salt Ionic Liquids Based on 1-Ethyl-3-Methylimidazolium Acetate and Hydroxyl-Functionalized Ammonium Acetates: Strong Effects of Weak Interactions
Pereira, Jorge F. B.; Barber, Patrick S.; Kelley, Steven Paul; Berton, Paula; Rogers, Robin D.; Phys. Chem. Chem. Phys.  (2017) –; doi:10.1039/C7CP05710E

data_7229205
_publ_section_title
;
 Double Salt Ionic Liquids Based on 1-Ethyl-3-Methylimidazolium Acetate
 and Hydroxyl-Functionalized Ammonium Acetates: Strong Effects of Weak
 Interactions
;
_journal_name_full               'Phys. Chem. Chem. Phys.'
_journal_paper_doi               10.1039/C7CP05710E
_journal_year                    2017
_chemical_formula_sum            'C2 H7 N O3'
_chemical_formula_weight         93.09
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-08-21 deposited with the CCDC.
2017-09-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.565(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.3033(5)
_cell_length_b                   8.6135(6)
_cell_length_c                   6.8992(4)
_cell_measurement_reflns_used    3507
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      2.83
_cell_volume                     427.97(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0284
_diffrn_reflns_av_unetI/netI     0.0191
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            6904
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.426
_diffrn_reflns_theta_min         2.828
_exptl_absorpt_coefficient_mu    0.135
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.5902
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXScale'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.445
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             200
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.194
_refine_diff_density_min         -0.241
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.968
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     76
_refine_ls_number_reflns         1067
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.968
_refine_ls_R_factor_all          0.0338
_refine_ls_R_factor_gt           0.0302
_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^)+(0.0536P)^2^+0.1398P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0825
_refine_ls_wR_factor_ref         0.0868
_reflns_Friedel_coverage         0.000
_reflns_number_gt                956
_reflns_number_total             1067
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7cp05710e2.cif
_cod_data_source_block           NH3OH-OAc
_cod_database_code               7229205
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              99006