New triazolium based ionic liquid crystals
Kathrin Stappert; Derya Unal; Bert Mallick; Anja-Verena Mudring; Journal of Materials Chemistry C 2 (2014) 7976–7986; doi:10.1039/C3TC31366B

data_7233851
_publ_section_title
;
 New triazolium based ionic liquid crystals
;
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              7976
_journal_page_last               7986
_journal_paper_doi               10.1039/C3TC31366B
_journal_volume                  2
_journal_year                    2014
_chemical_formula_moiety         'C26 H52 I3 N3'
_chemical_formula_sum            'C26 H52 I3 N3'
_chemical_formula_weight         787.42
_chemical_name_common            '[C12C12triaz] I3'
_chemical_name_systematic
;
1-dodecyl-3-dodecyltriazolium triiodide
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 107.64
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.797(2)
_cell_length_b                   9.0374(6)
_cell_length_c                   15.9949(15)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.4
_cell_volume                     3278.2(5)
_computing_cell_refinement       'X-Area (Stoe & Cie, 2001)'
_computing_data_collection       'X-Area (Stoe & Cie, 2001)'
_computing_data_reduction        'X-Area (Stoe & Cie, 2001)'
_computing_molecular_graphics    'Diamond (Brandenburg 2011)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare 1994)'
_diffrn_ambient_temperature      170(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'STOE IPDS I'
_diffrn_measurement_method       \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  0.0381
_diffrn_reflns_av_sigmaI/netI    0.0541
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            22742
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.43
_exptl_absorpt_coefficient_mu    2.877
_exptl_absorpt_correction_T_max  0.7129
_exptl_absorpt_correction_T_min  0.6160
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
  [X-Red (Stoe & Cie, 2001) and X-Shape (Stoe & Cie, 1999)]
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.595
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1552
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.862
_refine_diff_density_min         -0.408
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.753
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         5712
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.753
_refine_ls_R_factor_all          0.0498
_refine_ls_R_factor_gt           0.0244
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0235P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0458
_refine_ls_wR_factor_ref         0.0486
_reflns_number_gt                3523
_reflns_number_total             5712
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            100002.cif
_cod_data_source_block           PCOD_100002
_cod_original_cell_volume        3278.1(5)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7233851