Short π-Stacking in N-Rich Ionic Aromatic Compounds
Centore, Roberto; Causà, Mauro; Fusco, Sandra; Carella, Antonio; Crystal Growth & Design 13 (2013) 3255–; doi:10.1021/cg400750d

data_4510651
_publ_section_title
;
 Short \p-Stacking in N-Rich Ionic Aromatic Compounds
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3255
_journal_paper_doi               10.1021/cg400750d
_journal_volume                  13
_journal_year                    2013
_chemical_formula_moiety         '(C6 H12 N10 2+), (Cl -)2'
_chemical_formula_sum            'C6 H12 Cl2 N10'
_chemical_formula_weight         295.16
_chemical_name_systematic
;
(E)-1,2-bis(3,4-diamino-1,2,4-triazolium-5-yl)-
ethene dichloride
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                71.638(4)
_cell_angle_beta                 82.203(4)
_cell_angle_gamma                84.028(3)
_cell_formula_units_Z            1
_cell_length_a                   6.2530(3)
_cell_length_b                   7.1020(3)
_cell_length_c                   7.4580(5)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21.534
_cell_measurement_theta_min      2.895
_cell_volume                     310.77(3)
_computing_cell_refinement
;
Dirax/lsq (Duisenberg et al., 2000)
;
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
;
EvalCCD (Duisenberg & Schreurs 1990-2000)
;
_computing_molecular_graphics
;
Ortep-3 for Windows (Farrugia, 1997) and 
Mercury (Macrae <i>et al.</i>, 2006)
;
_computing_publication_material  'WinGX (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare at al, 1999)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_detector_type
;
Bruker-Nonius 95mm CCD camera on \k-goniostat
;
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD'
_diffrn_measurement_method
;
CCD rotation images, thick slices
;
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0289
_diffrn_reflns_av_sigmaI/netI    0.0310
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            4353
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.03
_exptl_absorpt_coefficient_mu    0.524
_exptl_absorpt_correction_T_max  0.9495
_exptl_absorpt_correction_T_min  0.7796
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS (Bruker, 2000)
;
_exptl_crystal_colour            'pale brown'
_exptl_crystal_density_diffrn    1.577
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             152
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.210
_refine_diff_density_min         -0.211
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     97
_refine_ls_number_reflns         1401
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0405
_refine_ls_R_factor_gt           0.0296
_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^)+(0.0386P)^2^+0.0794P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0745
_refine_ls_wR_factor_ref         0.0798
_reflns_number_gt                1170
_reflns_number_total             1401
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            cg400750d_si_005.cif
_cod_data_source_block           (II)RT
_cod_database_code               4510651