Indole-Fused Acridone: Synthesis, Structures, Proton Transfer, and Hole-Transport Properties.
Jin, Ying-Ying; Fang, Qi; The Journal of organic chemistry 84 (2019) 3832–3842; doi:10.1021/acs.joc.8b02939

data_4034218
_publ_section_title
;
 Indole-Fused Acridone: Synthesis, Structures, Proton Transfer, and
 Hole-Transport Properties.
;
_journal_issue                   7
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              3832
_journal_page_last               3842
_journal_paper_doi               10.1021/acs.joc.8b02939
_journal_volume                  84
_journal_year                    2019
_chemical_formula_sum            'C20 H13 Br N2 O'
_chemical_formula_weight         377.23
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 109.5090(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   28.3133(6)
_cell_length_b                   7.5509(2)
_cell_length_c                   15.6708(3)
_cell_measurement_reflns_used    6799
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      24.60
_cell_measurement_theta_min      2.67
_cell_volume                     3157.93(12)
_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-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 8.3
_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       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0564
_diffrn_reflns_av_unetI/netI     0.0366
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            25258
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.280
_diffrn_reflns_theta_min         1.526
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    2.612
_exptl_absorpt_correction_T_max  0.773
_exptl_absorpt_correction_T_min  0.318
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'APEX2 Software Suite (Bruker, 2005)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.587
_exptl_crystal_description       plate
_exptl_crystal_F_000             1520
_exptl_crystal_size_max          0.570
_exptl_crystal_size_mid          0.545
_exptl_crystal_size_min          0.104
_refine_diff_density_max         0.435
_refine_diff_density_min         -0.317
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     279
_refine_ls_number_reflns         3914
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0732
_refine_ls_R_factor_gt           0.0389
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0523P)^2^+1.6212P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0973
_refine_ls_wR_factor_ref         0.1134
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2498
_reflns_number_total             3914
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b02939_si_005.cif
_cod_data_source_block           17fq15sad
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4034218
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.318
_shelx_estimated_absorpt_t_max   0.773
_exptl_absorpt_special_details
; 
Scan width 0.5\% , Crystal to detector distance 5.960 cm, 
exposure time 10s, about 8 hours for data collection,  with scale. 
The 5 omiga-run take the following 2theta, initial-omiga, phi values 
and the following sweep-ranges, respectively.
 30.905,-170.096,  0.0, 223.0 (negatively run)
 30.905,-170.096,120.0, 223.0 (positively run)
-20.332,-221.333,  0.0, 223.0 (positively run)
  -28.0, 146.0,   60.0, 186.0 (positively run)
  -29.0, -28.0,  195.0, 186.0 (negatively run)
;
_shelx_res_checksum              68488
_shelx_hkl_checksum              52649