3,3'-Di-<i>n</i>-butyl-1,1'-(<i>p</i>-phenylenedimethylene)diimidazolium bis(hexafluorophosphate)
Haque, Rosenani A.; Washeel, Abbas; Nasri, S. Fatimah; Yeap, Chin Sing; Fun, Hoong-Kun; Acta Crystallographica Section E 66 (2010) o824–o825; doi:10.1107/S1600536810008536

data_2225709
_publ_section_title
;
 3,3'-Di-<i>n</i>-butyl-1,1'-(<i>p</i>-phenylenedimethylene)diimidazolium
 bis(hexafluorophosphate)
;
_journal_coeditor_code           SJ2739
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o824
_journal_page_last               o825
_journal_paper_doi               10.1107/S1600536810008536
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C22 H32 N4 2+, 2P F6 -'
_chemical_formula_moiety         'C22 H32 N4 2+, 2(F6 P -)'
_chemical_formula_sum            'C22 H32 F12 N4 P2'
_chemical_formula_weight         642.46
_chemical_name_systematic
;
3,3'-Di-<i>n</i>-butyl-1,1'-(<i>p</i>-phenylenedimethylene)diimidazolium
bis(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                 113.2330(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.9802(5)
_cell_length_b                   17.8421(10)
_cell_length_c                   9.3637(5)
_cell_measurement_reflns_used    8699
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      35.05
_cell_measurement_theta_min      3.29
_cell_volume                     1378.64(13)
_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
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker APEX Duo CCD area detector'
_diffrn_measurement_method       '\f and \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  0.0274
_diffrn_reflns_av_sigmaI/netI    0.0255
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            21938
_diffrn_reflns_theta_full        34.00
_diffrn_reflns_theta_max         34.00
_diffrn_reflns_theta_min         3.29
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.260
_exptl_absorpt_correction_T_max  0.9499
_exptl_absorpt_correction_T_min  0.9098
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.548
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             660
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.519
_refine_diff_density_min         -0.347
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.104
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         5550
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.104
_refine_ls_R_factor_all          0.0444
_refine_ls_R_factor_gt           0.0363
_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^)+(0.0669P)^2^+0.3404P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1061
_refine_ls_wR_factor_ref         0.1206
_reflns_number_gt                4750
_reflns_number_total             5550
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sj2739.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/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 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2225709
_cod_database_fobs_code          2225709