Stabilization of organic field-effect transistors in hexamethylenetetrathiafulvalene derivatives substituted by bulky alkyl groups
Kanno, Masato; Bando, Yoshimasa; Shirahata, Takashi; Inoue, Jun-ichi; Wada, Hiroshi; Mori, Takehiko; Journal of Materials Chemistry 19 (2009) 6548–; doi:10.1039/b907592e

data_7201290
_publ_section_title
;
 Stabilization of organic field-effect transistors in
 hexamethylenetetrathiafulvalene derivatives substituted by bulky alkyl
 groups
;
_journal_issue                   36
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              6548
_journal_paper_doi               10.1039/b907592e
_journal_volume                  19
_journal_year                    2009
_chemical_formula_moiety         'C20 H28 S4 '
_chemical_formula_sum            'C20 H28 S4'
_chemical_formula_weight         396.68
_chemical_name_common
;Di(4-t-butylcyclopenteno(1,2-d)(1',2'-d)-1,4,5,8-
tetrathiafulva-lene (1c)
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                95.93(3)
_cell_angle_beta                 106.22(2)
_cell_angle_gamma                85.30(1)
_cell_formula_units_Z            1
_cell_length_a                   6.513(1)
_cell_length_b                   13.459(2)
_cell_length_c                   6.114(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293.2
_cell_measurement_theta_max      15.0
_cell_measurement_theta_min      0.5
_cell_volume                     511.1(3)
_computing_cell_refinement       WinAFC
_computing_data_collection       WinAFC
_computing_data_reduction        'teXsan Ver. 1.10'
_computing_publication_material  'teXsan Ver. 1.10'
_computing_structure_refinement  'teXsan Ver. 1.10'
_computing_structure_solution    SHELXS86
_diffrn_measured_fraction_theta_full 1.0926
_diffrn_measured_fraction_theta_max 1.0926
_diffrn_measurement_device_type  'Rigaku AFC7R'
_diffrn_measurement_method       \w-2\q
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.018
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3237
_diffrn_reflns_theta_full        29.99
_diffrn_reflns_theta_max         29.99
_diffrn_standards_decay_%        0.17
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.465
_exptl_absorpt_correction_T_max  0.999
_exptl_absorpt_correction_T_min  0.932
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North, Phillips & Mathews, 1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.289
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.24
_refine_diff_density_min         -0.17
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.428
_refine_ls_hydrogen_treatment    noref
_refine_ls_number_parameters     109
_refine_ls_number_reflns         1946
_refine_ls_R_factor_gt           0.0347
_refine_ls_shift/su_max          0.0005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^) + (0.05000(Max(Fo^2^,0) + 2Fc^2^)/3)^2^]'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1012
_reflns_number_gt                1946
_reflns_number_total             2867
_reflns_threshold_expression     F^2^>4.0\s(F^2^)
_cod_data_source_file            b907592e.txt
_cod_data_source_block           1c
_cod_original_cell_volume        511.1(2)
_cod_original_sg_symbol_H-M      'P -1 '
_cod_original_formula_sum        'C20 H28 S4 '
_cod_database_code               7201290