Switching high two-photon efficiency: from 3,8,13-substituted triindole derivatives to their 2,7,12-isomers.
Ji, Lei; Fang, Qi; Yuan, Mao-Sen; Liu, Zhi-Qiang; Shen, Yu-Xiang; Chen, Hong-Feng; Organic letters 12 (2010) 5192–5195; doi:10.1021/ol102057t

data_1503257
_publ_section_title
;
 Switching high two-photon efficiency: from 3,8,13-substituted triindole
 derivatives to their 2,7,12-isomers.
;
_journal_issue                   22
_journal_name_full               'Organic letters'
_journal_page_first              5192
_journal_page_last               5195
_journal_paper_doi               10.1021/ol102057t
_journal_volume                  12
_journal_year                    2010
_chemical_formula_moiety         'C26 H29 B'
_chemical_formula_sum            'C26 H29 B'
_chemical_formula_weight         352.30
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.143(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.5315(4)
_cell_length_b                   8.2693(3)
_cell_length_c                   22.9998(7)
_cell_measurement_reflns_used    2909
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      22.13
_cell_measurement_theta_min      2.34
_cell_volume                     2171.09(13)
_computing_cell_refinement       'APEX2 Software Suite (Bruker,2005)'
_computing_data_collection       'APEX2 Software Suite (Bruker,2005)'
_computing_data_reduction        'APEX2 Software Suite (Bruker,2005)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  'SHELXTL (Bruker, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker APEX2 CCD area-detector diffractometer'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0512
_diffrn_reflns_av_sigmaI/netI    0.0493
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            22237
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    0.060
_exptl_absorpt_correction_T_max  0.9961
_exptl_absorpt_correction_T_min  0.9788
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2006/1 (Bruker AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.078
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plank
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.157
_refine_diff_density_min         -0.141
_refine_diff_density_rms         0.031
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.980
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     315
_refine_ls_number_reflns         5174
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.980
_refine_ls_R_factor_all          0.1263
_refine_ls_R_factor_gt           0.0560
_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^)+(0.0794P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1370
_refine_ls_wR_factor_ref         0.1576
_reflns_number_gt                2589
_reflns_number_total             5174
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol102057t_si_005.cif
_cod_data_source_block           fq28
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_Hall     '-P 2ybc '
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1503257