General Synthesis of Unsymmetrical 3,3'-(Aza)diindolylmethane Derivatives.
Pillaiyar, Thanigaimalai; Gorska, Ewelina; Schnakenburg, Gregor; Müller, Christa E; The Journal of organic chemistry 83 (2018) 9902–9913; doi:10.1021/acs.joc.8b01349

data_4035105
_publ_section_title
;
 General Synthesis of Unsymmetrical 3,3'-(Aza)diindolylmethane
 Derivatives.
;
_journal_issue                   17
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              9902
_journal_page_last               9913
_journal_paper_doi               10.1021/acs.joc.8b01349
_journal_volume                  83
_journal_year                    2018
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C16 H13 N3'
_chemical_formula_sum            'C16 H13 N3'
_chemical_formula_weight         247.29
_chemical_name_systematic        yazh-K131
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2017-11-09
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.5688(6)
_cell_length_b                   16.8412(15)
_cell_length_c                   9.6681(8)
_cell_measurement_reflns_used    9927
_cell_measurement_temperature    100
_cell_measurement_theta_max      72.25
_cell_measurement_theta_min      5.25
_cell_volume                     1232.37(18)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'Bruker Photon100 detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CMOS area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8-Venture'
_diffrn_measurement_method       'fine slicing \w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1422
_diffrn_reflns_av_unetI/netI     0.0613
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            22364
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        67.485
_diffrn_reflns_theta_max         67.484
_diffrn_reflns_theta_min         5.253
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.638
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.4509
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.1676 before and 0.1174 after correction. The Ratio of minimum to maximum transmission is 0.5983. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_description       needle
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.422
_refine_diff_density_min         -0.329
_refine_diff_density_rms         0.083
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.3(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         2168
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.117
_refine_ls_R_factor_all          0.0859
_refine_ls_R_factor_gt           0.0752
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1256P)^2^+1.3069P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2023
_refine_ls_wR_factor_ref         0.2130
_reflns_Friedel_coverage         0.878
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                1911
_reflns_number_total             2168
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b01349_si_002.cif
_cod_data_source_block           12a
_cod_database_code               4035105
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.969
_shelx_estimated_absorpt_t_min   0.808
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.7(17)
 0.3(17)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
3. Uiso/Uaniso restraints and constraints
Uanis(C1) \\sim Ueq: with sigma of 0.002 and sigma for terminal atoms of 0.004
4.a Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B)
4.b Aromatic/amide H refined with riding coordinates:
 N3(H3), C3(H3A), C4(H4), C5(H5), C6(H6), C7(H7), C10(H10), C13(H13), C14(H14),
  C15(H15), C16(H16)
;
_shelx_res_checksum              36845
_shelx_hkl_checksum              92704
_olex2_submission_special_instructions 'No special instructions were received'