N,N'-Dihydrotetraazapentacenes (DHTA) in thin film transistors
Fabian Paulus; Benjamin D. Lindner; Hilmar Reiss; Frank Rominger; Andreas Leineweber; Yana Vaynzof; Henning Sirringhaus; Uwe H. F. Bunz; Journal of Materials Chemistry C 3 (2015) 1604–1609; doi:10.1039/C4TC02426E

data_7234087
_publ_section_title
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 N,N'-Dihydrotetraazapentacenes (DHTA) in thin film transistors
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_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              1604
_journal_page_last               1609
_journal_paper_doi               10.1039/C4TC02426E
_journal_volume                  3
_journal_year                    2015
_chemical_formula_sum            'C40 H50 N4 Si2'
_chemical_formula_weight         643.02
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'C 1 2/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                 100.068(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   33.880(6)
_cell_length_b                   15.837(3)
_cell_length_c                   14.074(2)
_cell_measurement_reflns_used    4840
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      26.35
_cell_measurement_theta_min      2.44
_cell_volume                     7435(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX'
_diffrn_measurement_method       '\w scans'
_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  0.0639
_diffrn_reflns_av_sigmaI/netI    0.0535
_diffrn_reflns_limit_h_max       44
_diffrn_reflns_limit_h_min       -44
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            37357
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         1.22
_exptl_absorpt_coefficient_mu    0.128
_exptl_absorpt_correction_T_max  0.9823
_exptl_absorpt_correction_T_min  0.9518
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Sheldrick, G. M. (2008). <i>SADABS</i>. University of G\"ottingen, Germany.
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.149
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       polyhedron
_exptl_crystal_F_000             2768
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.613
_refine_diff_density_min         -0.408
_refine_diff_density_rms         0.171
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.133
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     437
_refine_ls_number_reflns         8879
_refine_ls_number_restraints     146
_refine_ls_restrained_S_all      1.181
_refine_ls_R_factor_all          0.1183
_refine_ls_R_factor_gt           0.0785
_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^)+(0.0816P)^2^+5.5898P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1670
_refine_ls_wR_factor_ref         0.1890
_reflns_number_gt                6132
_reflns_number_total             8879
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1000002.cif
_cod_data_source_block           PCOD1000002
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the built-in table derived from the
CIF Core dictionary named 'cif_core.dic' version 2.4.5 last updated
on 2014-11-21.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7234087