Regioisomers containing triarylboron-based motifs as multi-functional photoluminescent materials: from dual-mode delayed emission to pH-switchable room-temperature phosphorescence.
Arumugam, Ramar; Muhammed Munthasir, Akkarakkaran Thayyil; Kannan, Ramkumar; Banerjee, Dipanjan; Sudhakar, Pagidi; Soma, Venugopal Rao; Thilagar, Pakkirisamy; Chandrasekhar, Vadapalli; Chemical science 15 (2024) 18364–18378; doi:10.1039/d4sc05656f

data_1572830
_publ_section_title
;
 Regioisomers containing triarylboron-based motifs as multi-functional
 photoluminescent materials: from dual-mode delayed emission to
 pH-switchable room-temperature phosphorescence.
;
_journal_issue                   44
_journal_name_full               'Chemical science'
_journal_page_first              18364
_journal_page_last               18378
_journal_paper_doi               10.1039/d4sc05656f
_journal_volume                  15
_journal_year                    2024
_chemical_formula_moiety         'C30 H34 B N'
_chemical_formula_sum            'C30 H34 B N'
_chemical_formula_weight         419.39
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2024-05-27 deposited with the CCDC.	2024-10-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.3637(3)
_cell_length_b                   14.3587(6)
_cell_length_c                   21.3790(8)
_cell_measurement_reflns_used    7190
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.1450
_cell_measurement_theta_min      2.3700
_cell_volume                     2567.44(17)
_computing_cell_refinement       'CrysAlisPro 1.171.40.35a (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.40.35a (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.40.35a (Rigaku OD, 2018)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device_type
'XtaLAB Synergy, Single source at offset/far, HyPix3000'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0396
_diffrn_reflns_av_unetI/netI     0.0451
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.958
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            17532
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.938
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.005
_diffrn_reflns_theta_min         1.905
_exptl_absorpt_coefficient_mu    0.061
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.47722
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.29d (Rigaku Oxford Diffraction, 2017)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.085
_exptl_crystal_description       needle
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.147
_refine_diff_density_min         -0.140
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details
;
 Flack x determined using 984 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.4(10)
_refine_ls_extinction_coef       0.011(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         5267
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.1003
_refine_ls_R_factor_gt           0.0584
_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^)+(0.1068P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1648
_refine_ls_wR_factor_ref         0.1918
_reflns_Friedel_coverage         0.728
_reflns_Friedel_fraction_full    0.982
_reflns_Friedel_fraction_max     0.912
_reflns_number_gt                3071
_reflns_number_total             5267
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc05656f2.cif
_cod_data_source_block           C1
_cod_depositor_comments
'Adding full bibliography for 1572830--1572832.cif.'
_cod_database_code               1572830
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.994
_shelx_estimated_absorpt_t_max   0.995
_shelx_res_checksum              50292
_shelx_hkl_checksum              8957