Design and Synthesis of Extended Quinoxaline Derivativesis and Their Charge Transport Properties
Yang, Jun Wei; Zhu, Haoyun; Huang, Yu Li; Huang, Wei; Wang, Weizhi; RSC Adv.  (2016) –; doi:10.1039/C6RA22677A

data_7226760
_publ_section_title
;
 Design and Synthesis of Extended Quinoxaline Derivativesis and Their
 Charge Transport Properties
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA22677A
_journal_year                    2016
_chemical_formula_sum            'C42 H38 N4'
_chemical_formula_weight         598.76
_chemical_name_systematic
1,4-bis(3-(4-butylphenyl)quinoxalin-2-yl)benzene
_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
;
2016-08-14 deposited with the CCDC.
2016-10-07 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 92.31(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.981(4)
_cell_length_b                   14.384(4)
_cell_length_c                   19.951(3)
_cell_measurement_reflns_used    1320
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.32
_cell_measurement_theta_min      2.49
_cell_volume                     1715.0(13)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0515
_diffrn_reflns_av_sigmaI/netI    0.0643
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            8379
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    0.068
_exptl_absorpt_correction_T_max  0.9872
_exptl_absorpt_correction_T_min  0.9825
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.160
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             636
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: acetic acid'
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.404
_refine_diff_density_min         -0.272
_refine_diff_density_rms         0.041
_refine_ls_extinction_coef       0.020(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         3006
_refine_ls_number_restraints     20
_refine_ls_restrained_S_all      1.224
_refine_ls_R_factor_all          0.1107
_refine_ls_R_factor_gt           0.0621
_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^)+(0.0500P)^2^+0.4700P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1459
_refine_ls_wR_factor_ref         0.1596
_reflns_number_gt                1646
_reflns_number_total             3006
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra22677a2.cif
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_cell_volume        1714.9(12)
_cod_original_sg_symbol_H-M      'P2(1)/n  '
_cod_database_code               7226760