Highly electron-deficient 3,6-diaza-9-borafluorene scaffolds for the construction of luminescent chelate complexes.
Adamek, Jan; Marek-Urban, Paulina H; Woźniak, Krzysztof; Durka, Krzysztof; Luliński, Sergiusz; Chemical science 14 (2023) 12133–12142; doi:10.1039/d3sc03876a

data_1570063
_publ_section_title
;
 Highly electron-deficient 3,6-diaza-9-borafluorene scaffolds for the
 construction of luminescent chelate complexes.
;
_journal_issue                   43
_journal_name_full               'Chemical science'
_journal_page_first              12133
_journal_page_last               12142
_journal_paper_doi               10.1039/d3sc03876a
_journal_volume                  14
_journal_year                    2023
_chemical_formula_moiety         'C10 H5 B F4 N2 O2'
_chemical_formula_sum            'C10 H5 B F4 N2 O2'
_chemical_formula_weight         271.97
_chemical_name_systematic
;
 2,4,5,7-Tetrafluoro-3,6-diaza-9-hydroxy-9-borafluorene 
;
_space_group_crystal_system      tetragonal
_space_group_IT_number           122
_space_group_name_Hall           'I -4 2bw'
_space_group_name_H-M_alt        'I -4 2 d'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2023-09-08 deposited with the CCDC.	2023-10-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   22.1078(2)
_cell_length_b                   22.1078(2)
_cell_length_c                   4.35580(10)
_cell_measurement_reflns_used    4706
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      77.1730
_cell_measurement_theta_min      3.9570
_cell_volume                     2128.92(6)
_computing_cell_refinement       'CrysAlisPro 1.171.42.70a (Rigaku OD, 2022)'
_computing_data_collection       'CrysAlisPro 1.171.42.70a (Rigaku OD, 2022)'
_computing_data_reduction        'CrysAlisPro 1.171.42.70a (Rigaku OD, 2022)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100.00(10)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, HyPix'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0250
_diffrn_reflns_av_unetI/netI     0.0156
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            7990
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         77.357
_diffrn_reflns_theta_min         3.999
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    1.462
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.877
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.42.70a (Rigaku Oxford Diffraction, 2022)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.697
_exptl_crystal_description       block
_exptl_crystal_F_000             1088
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent: DMSO'
_exptl_crystal_size_max          0.162
_exptl_crystal_size_mid          0.066
_exptl_crystal_size_min          0.039
_refine_diff_density_max         0.220
_refine_diff_density_min         -0.150
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.52(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     94
_refine_ls_number_reflns         1146
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0268
_refine_ls_R_factor_gt           0.0261
_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^)+(0.0381P)^2^+1.1538P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0685
_refine_ls_wR_factor_ref         0.0689
_reflns_Friedel_coverage         0.685
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                1123
_reflns_number_total             1146
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc03876a3.cif
_cod_data_source_block           7
_cod_depositor_comments
'Adding full bibliography for 1570062--1570068.cif.'
_cod_database_code               1570063
_oxdiff_exptl_absorpt_empirical_full_min 0.798
_oxdiff_exptl_absorpt_empirical_full_max 1.500
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelxl_version_number           2013-4
_shelx_res_checksum              59782