o-Carborane functionalized pentacenes: synthesis, molecular packing and ambipolar organic thin-film transistors
Jixi Guo; Danqing Liu; Jiahui Zhang; Jiji Zhang; Qian Miao; Zuowei Xie; Chem.Commun. 51 (2015) 12004–; doi:10.1039/C5cc03608A

data_7117515
_publ_section_title
;
 o-Carborane functionalized pentacenes: synthesis, molecular packing and
 ambipolar organic thin-film transistors
;
_journal_name_full               Chem.Commun.
_journal_page_first              12004
_journal_paper_doi               10.1039/C5cc03608A
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C38 H50 B20'
_chemical_formula_weight         722.98
_chemical_name_systematic
; 
 ? 
;
_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
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-04-16 deposited with the CCDC.
2015-06-19 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 93.691(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.7399(11)
_cell_length_b                   9.6832(16)
_cell_length_c                   30.293(5)
_cell_measurement_reflns_used    1413
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      25.28
_cell_measurement_theta_min      2.21
_cell_volume                     1972.9(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0739
_diffrn_reflns_av_sigmaI/netI    0.0727
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            14074
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.21
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.061
_exptl_absorpt_correction_T_max  0.9988
_exptl_absorpt_correction_T_min  0.9849
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.217
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             756
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.302
_refine_diff_density_min         -0.848
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         3886
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.1577
_refine_ls_R_factor_gt           0.1091
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1687P)^2^+3.7929P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3067
_refine_ls_wR_factor_ref         0.3423
_reflns_number_gt                2372
_reflns_number_total             3886
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc03608a2.cif
_cod_data_source_block           4
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7117515