2,4-Bis[(3-allylimidazolium-1-yl)methyl]mesitylene bis(hexafluoridophosphate)
Haque, Rosenani A.; Ghdhayeb, Mohammed Z.; Hemamalini, Madhukar; Fun, Hoong-Kun; Acta Crystallographica Section E 67 (2011) o2068–; doi:10.1107/S1600536811027541

data_2231120
_publ_section_title
;
 2,4-Bis[(3-allylimidazolium-1-yl)methyl]mesitylene
 bis(hexafluoridophosphate)
;
_journal_coeditor_code           HB5934
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2068
_journal_paper_doi               10.1107/S1600536811027541
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C23 H30 N4 2+, 2P F6 -'
_chemical_formula_moiety         'C23 H30 N4 2+, 2(F6 P -)'
_chemical_formula_sum            'C23 H30 F12 N4 P2'
_chemical_formula_weight         652.45
_chemical_name_systematic
;
2,4-Bis[(3-allylimidazolium-1-yl)methyl]mesitylene bis(hexafluoridophosphate)
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 103.4790(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.9269(4)
_cell_length_b                   19.1480(6)
_cell_length_c                   12.4233(4)
_cell_measurement_reflns_used    9948
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      32.52
_cell_measurement_theta_min      2.70
_cell_volume                     2759.04(16)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.00(10)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker SMART APEXII CCD'
_diffrn_measurement_method       '\f and \w'
_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  0.0300
_diffrn_reflns_av_sigmaI/netI    0.0293
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            67401
_diffrn_reflns_theta_full        32.66
_diffrn_reflns_theta_max         32.66
_diffrn_reflns_theta_min         1.99
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.261
_exptl_absorpt_correction_T_max  0.961
_exptl_absorpt_correction_T_min  0.845
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.571
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1336
_exptl_crystal_size_max          0.67
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.939
_refine_diff_density_min         -0.377
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         9961
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0634
_refine_ls_R_factor_gt           0.0464
_refine_ls_shift/su_max_lt       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^)+(0.0492P)^2^+1.8158P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1067
_refine_ls_wR_factor_ref         0.1167
_reflns_number_gt                8004
_reflns_number_total             9961
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb5934.cif
_cod_data_source_block           I
_cod_original_cell_volume        2759.04(15)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2231120
_cod_database_fobs_code          2231120