Crystal structure of 3,3′-(1,2-phenylene-bis(methylene))bis(1-vinyl- 1H-imidazol-3-ium) bis(hexafluoro phosphate)(V), C18H20F12N4P2
Ting, Huang; Jin-Zhu, Chen; Xu-Liang, Nie; Jing, Chen; Wan-Ming, Xiong; Zeitschrift für Kristallographie - New Crystal Structures 236 (2021) 369–371; doi:10.1515/ncrs-2020-0555

data_8104834
_publ_section_title
;
 Crystal structure of
 3,3&#x2032;-(1,2-phenylene-bis(methylene))bis(1-vinyl- 1H-imidazol-3-ium)
 bis(hexafluoro phosphate)(V), C18H20F12N4P2
;
_journal_issue                   2
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              369
_journal_page_last               371
_journal_paper_doi               10.1515/ncrs-2020-0555
_journal_volume                  236
_journal_year                    2021
_chemical_formula_sum            'C18 H20 F12 N4 P2'
_chemical_formula_weight         582.32
_chemical_name_systematic
;3,3'-(1,2-phenylenebis(methylene))bis(1-vinyl-
1H-imidazol-3-ium) bis(hexafluoro phosphate)(V)
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 103.4730(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.3185(9)
_cell_length_b                   21.883(2)
_cell_length_c                   13.4345(15)
_cell_measurement_reflns_used    4627
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.38
_cell_measurement_theta_min      2.43
_cell_volume                     2378.2(4)
_computing_cell_refinement       'APEX2, SAINT and SADABS [1]'
_computing_data_collection       'APEX2, SAINT and SADABS [1]'
_computing_data_reduction        'APEX2, SAINT and SADABS [1]'
_computing_molecular_graphics    'Diamond 4.0 [4]'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014) [2,3]'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014) [2,3]'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014) [2,3]'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0338
_diffrn_reflns_av_unetI/netI     0.0274
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            18161
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.497
_diffrn_reflns_theta_min         2.428
_exptl_absorpt_coefficient_mu    0.292
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.626
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1176
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.130
_refine_diff_density_max         0.274
_refine_diff_density_min         -0.257
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details
;
 Flack x determined using 1462 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Crystallogr. B69 (2013) 249-259).
;
_refine_ls_extinction_coef       0.0016(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     455
_refine_ls_number_reflns         4415
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0730
_refine_ls_R_factor_gt           0.0470
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0574P)^2^+1.0088P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1146
_refine_ls_wR_factor_ref         0.1305
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                3052
_reflns_number_total             4415
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            suppl_j_ncrs-2020-0555_suppl.cif
_cod_data_source_block           4082_0m
_cod_original_cell_volume        2378.3(5)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               8104834
_shelx_estimated_absorpt_t_min   0.944
_shelx_estimated_absorpt_t_max   0.963