Hydrogen-Bonded Networks in Organic Conductors: Crystal Structures and Electronic Properties of Charge-Transfer Salts of Tetracyanoquinodimethane with 4,4'-Biimidazolium having Multi Protonated States
Yasushi Morita; Tsuyoshi Murata; Kozo Fukui; Satoru Yamada; Kazunobu Sato; Daisuke Shiomi; Takeji Takui; Hiroshi Kitagawa; Hideki Yamochi; Gunzi Saito; Kazuhiro Nakasuji; Journal of Organic Chemistry 70 (2005) 2739–2744; doi:10.1021/jo047768c

data_4020082
_publ_section_title
;
Hydrogen-Bonded Networks in Organic Conductors: Crystal
Structures and Electronic Properties of Charge-Transfer Salts
of Tetracyanoquinodimethane with 4,4'-Biimidazolium having
Multi Protonated States
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2739
_journal_page_last               2744
_journal_paper_doi               10.1021/jo047768c
_journal_volume                  70
_journal_year                    2005
_chemical_formula_moiety         'C6 H6 N4'
_chemical_formula_sum            'C6 H6 N4'
_chemical_formula_weight         134.15
_chemical_name_common            4,4'-H~2~Bim
_chemical_name_systematic
;
 4,4'-Biimidazole
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 107.73(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   4.966(4)
_cell_length_b                   9.840(9)
_cell_length_c                   6.919(5)
_cell_measurement_reflns_used    2383
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.7
_cell_volume                     322.1(5)
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID Imaging Plate'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0512
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            741
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         3.72
_diffrn_standards_decay_%        ?
_diffrn_standards_interval_count ?
_diffrn_standards_interval_time  ?
_diffrn_standards_number         ?
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.986
_exptl_absorpt_correction_T_min  0.698
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(Higashi, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.383
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             140
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.150
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.879
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     46
_refine_ls_number_reflns         741
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.879
_refine_ls_R_factor_all          0.0526
_refine_ls_R_factor_gt           0.0382
_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^)+(0.0468P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0840
_refine_ls_wR_factor_ref         0.0890
_reflns_number_gt                489
_reflns_number_total             741
_reflns_threshold_expression     >2sigma(I)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4020082