Mercuric Ionic Liquids: [Cnmim][HgX3], Where n = 3, 4 and X = Cl, Br
Bert Mallick; Andreas Metlen; Mark Nieuwenhuyzen; Robin D. Rogers; Anja-Verena Mudring; Inorganic Chemistry 51 (2012) 193–200; doi:10.1021/ic201415d

data_4327746
_publ_section_title
;
 Mercuric Ionic Liquids: [Cnmim][HgX3], Where n = 3, 4 and X = Cl, Br
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              193
_journal_page_last               200
_journal_paper_doi               10.1021/ic201415d
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C8 H15 Cl3 Hg N2'
_chemical_formula_weight         446.16
_chemical_name_common            '[C4mim][HgCl3]'
_chemical_name_systematic
;
 1-butyl-3-methylimidazolium trixchloridomercurate(II)
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 105.590(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.318(3)
_cell_length_b                   10.7410(15)
_cell_length_c                   7.4706(13)
_cell_measurement_temperature    170(2)
_cell_volume                     1338.5(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      170(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0518
_diffrn_reflns_av_sigmaI/netI    0.0554
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            4381
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         2.26
_exptl_absorpt_coefficient_mu    12.066
_exptl_absorpt_correction_T_max  0.299
_exptl_absorpt_correction_T_min  0.069
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'Stoe X-Shape'
_exptl_crystal_density_diffrn    2.214
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.823
_refine_diff_density_min         -0.934
_refine_diff_density_rms         0.130
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.032(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     130
_refine_ls_number_reflns         2368
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0404
_refine_ls_R_factor_gt           0.0347
_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^)+(0.0499P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0885
_refine_ls_wR_factor_ref         0.0900
_reflns_number_gt                2064
_reflns_number_total             2368
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic201415d_si_002_2.cif
_cod_data_source_block           2
_cod_database_code               4327746