Mercury(ii) partitioning from aqueous solutions with a new, hydrophobic ethylene-glycol functionalized bis-imidazolium ionic liquidThis work was presented at the Green Solvents for Catalysis Meeting held in Bruchsal, Germany, 13–16th October 2002.
Holbrey, John D.; Visser, Ann E.; Spear, Scott K.; Reichert, W. Matthew; Swatloski, Richard P.; Broker, Grant A.; Rogers, Robin D.; Green Chemistry 5 (2003) 129–; doi:10.1039/b300971h

data_7204603
_publ_section_title
;
 Mercury(ii) partitioning from aqueous solutions with a new,
 hydrophobic ethylene-glycol functionalized bis-imidazolium ionic
 liquidThis work was presented at the Green Solvents for Catalysis
 Meeting held in Bruchsal, Germany, 13--16th October 2002.
;
_journal_issue                   2
_journal_name_full               'Green Chemistry'
_journal_page_first              129
_journal_paper_doi               10.1039/b300971h
_journal_volume                  5
_journal_year                    2003
_chemical_formula_sum            'C18 H32 F12 N4 P2'
_chemical_formula_weight         594.42
_chemical_melting_point          344
_chemical_name_common
'1,1'-(1,10-decyl)-bis(3-methylimidazolium) hexafluorophosphate'
_chemical_name_systematic
; 
1,1'-(1,10-decyl)-bis(3-methylimidazolium) hexafluorophosphate
;
_space_group_IT_number           14
_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                 99.4450(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.4611(2)
_cell_length_b                   16.5436(5)
_cell_length_c                   12.1828(4)
_cell_measurement_temperature    173(2)
_cell_volume                     1284.56(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.965
_diffrn_measured_fraction_theta_max 0.965
_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  0.0149
_diffrn_reflns_av_sigmaI/netI    0.0202
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8031
_diffrn_reflns_theta_full        27.97
_diffrn_reflns_theta_max         27.97
_diffrn_reflns_theta_min         2.09
_exptl_absorpt_coefficient_mu    0.271
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.537
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             612
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.355
_refine_diff_density_min         -0.352
_refine_diff_density_rms         0.053
_refine_ls_extinction_coef       0.0022(15)
_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   1.069
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         2990
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0421
_refine_ls_R_factor_gt           0.0364
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0517P)^2^+0.4591P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0965
_refine_ls_wR_factor_ref         0.1015
_reflns_number_gt                2639
_reflns_number_total             2990
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b300971h.txt
_cod_data_source_block           r1
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/adriana/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 1555 2011-01-17 13:19:09Z saulius 

The following automatic conversions were performed:

'_chemical_melting_point' value '344K' was changed to '344' - the
value should be numeric and without a unit designator.

Automatic conversion script
Id: cif_fix_values 1569 2011-02-09 13:29:24Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7204603