Mechanistic investigation on cellular internalization triggering structure-induced conformational modulation of boron-nitrogen luminogens.
Parui, Retwik; Roy, Hirakjyoti; Meher, Niranjan; Ghosh, Siddhartha Sankar; Iyer, Parameswar Krishnan; Chemical science 16 (2025) 6023–6034; doi:10.1039/d4sc08296f

data_1574028
_publ_section_title
;
 Mechanistic investigation on cellular internalization triggering
 structure-induced conformational modulation of boron-nitrogen luminogens.
;
_journal_issue                   14
_journal_name_full               'Chemical science'
_journal_page_first              6023
_journal_page_last               6034
_journal_paper_doi               10.1039/d4sc08296f
_journal_volume                  16
_journal_year                    2025
_chemical_formula_moiety         'C17 H12 B N3'
_chemical_formula_sum            'C17 H12 B N3'
_chemical_formula_weight         269.11
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     iterative
_audit_creation_date             2023-07-24
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2024-02-28 deposited with the CCDC.	2025-02-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.282(2)
_cell_angle_gamma                90
_cell_formula_units_Z            12
_cell_length_a                   8.2259(7)
_cell_length_b                   26.151(2)
_cell_length_c                   19.2586(17)
_cell_measurement_reflns_used    9909
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      24.98
_cell_measurement_theta_min      2.61
_cell_volume                     4125.2(6)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'olex2.solve 1.5 (Bourhis et al., 2015)'
_diffrn_ambient_temperature      273.15
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0600
_diffrn_reflns_av_unetI/netI     0.0355
_diffrn_reflns_Laue_measured_fraction_full 0.987
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            82066
_diffrn_reflns_point_group_measured_fraction_full 0.987
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.000
_diffrn_reflns_theta_min         1.317
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6222
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1555 before and 0.0747 after correction.
The Ratio of minimum to maximum transmission is 0.8349.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.300
_exptl_crystal_description       block
_exptl_crystal_F_000             1680
_refine_diff_density_max         0.189
_refine_diff_density_min         -0.191
_refine_diff_density_rms         0.037
_refine_ls_extinction_coef       0.0027(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2019/1 (Sheldrick 2019)'
_refine_ls_goodness_of_fit_ref   1.154
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     587
_refine_ls_number_reflns         7172
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.154
_refine_ls_R_factor_all          0.1229
_refine_ls_R_factor_gt           0.0849
_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^)+(0.0327P)^2^+5.2457P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1557
_refine_ls_wR_factor_ref         0.1811
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5064
_reflns_number_total             7172
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc08296f2.cif
_cod_data_source_block           nbcn_0m_a
_cod_depositor_comments
'Adding full bibliography for 1574024--1574028.cif.'
_cod_database_code               1574028
_shelx_shelxl_version_number     2019/1
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All N(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C00F(H00F), C00J(H00J), C00L(H00L), C00O(H00O), C00P(H00P), C00Q(H00Q),
 C00S(H00S), C00U(H00U), C00Y(H00Y), C00Z(H00Z), C010(H010), C015(H015),
 C016(H016), C018(H018), C019(H019), C01A(H01A), C01B(H01B), C01C(H01C),
 C01D(H01D), C01E(H01E), C01F(H01F), C01G(H01G), C01H(H01H), C01I(H01I),
 C01J(H01J), C01K(H01K), C01L(H01L), C01M(H01M), C01N(H01N), C01P(H01P)
;
_shelx_res_checksum              33186
_olex2_submission_special_instructions 'No special instructions were received'