n → π* and chalcogen bonds in azole-substituted isoindole derivatives: a combined crystallographic and computational study
Kolesnik, Irina A.; Potkin, Vladimir I.; Grigoriev, Mikhail S.; Gomila, Rosa M.; Nikitina, Eugeniya V.; Zaytsev, Vladimir P.; Zubkov, Fedor I.; Frontera, Antonio; CrystEngComm 27 (2025) 6155–6162; doi:10.1039/D5CE00673B

data_7250780
_publ_section_title
;
 n \\rightarrow \p* and chalcogen bonds in azole-substituted isoindole
 derivatives: a combined crystallographic and computational study
;
_journal_issue                   37
_journal_name_full               CrystEngComm
_journal_page_first              6155
_journal_page_last               6162
_journal_paper_doi               10.1039/D5CE00673B
_journal_volume                  27
_journal_year                    2025
_chemical_formula_sum            'C26 H19 F3 N2 O5'
_chemical_formula_weight         496.43
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2024-12-29 deposited with the CCDC.	2025-08-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.799(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.3335(8)
_cell_length_b                   8.9660(6)
_cell_length_c                   20.5471(13)
_cell_measurement_reflns_used    5063
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.74
_cell_measurement_theta_min      2.48
_cell_volume                     2239.0(3)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
'Bruker KAPPA APEX II area-detector diffractometer'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0659
_diffrn_reflns_av_unetI/netI     0.0554
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            38584
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.999
_diffrn_reflns_theta_min         3.605
_exptl_absorpt_coefficient_mu    0.119
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9171
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.473
_exptl_crystal_description       bulk
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.273
_refine_diff_density_min         -0.325
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         6534
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0807
_refine_ls_R_factor_gt           0.0480
_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^)+(0.0401P)^2^+0.7144P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0970
_refine_ls_wR_factor_ref         0.1105
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4518
_reflns_number_total             6534
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5ce00673b2.cif
_cod_data_source_block           ZH25_LT
_cod_depositor_comments
'Adding full bibliography for 7250780--7250783.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7250780
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.952
_shelx_estimated_absorpt_t_max   0.977
_shelx_res_checksum              1604