Borazatruxenes
Limberti, Simone; Emmett, Liam; Trandafir, Anamaria; Kociok-Köhn, Gabriele; Pantoș, G. Dan; Chemical Science  (2019) –; doi:10.1039/C9SC02489A

data_1552274
_publ_section_title
;
 Borazatruxenes
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/C9SC02489A
_journal_year                    2019
_chemical_formula_moiety         'C24 H24 B3 N3'
_chemical_formula_sum            'C24 H24 B3 N3'
_chemical_formula_weight         386.89
_space_group_crystal_system      trigonal
_space_group_IT_number           148
_space_group_name_Hall           '-R 3'
_space_group_name_H-M_alt        'R -3 :H'
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/1
_audit_update_record
;
2018-05-16 deposited with the CCDC.    2019-08-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            6
_cell_length_a                   20.4365(5)
_cell_length_b                   20.4365(5)
_cell_length_c                   8.6540(2)
_cell_measurement_reflns_used    3787
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      72.8630
_cell_measurement_theta_min      4.3180
_cell_volume                     3130.12(13)
_computing_cell_refinement       'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_computing_molecular_graphics
'ORTEP3 for Windows - Farrugia, L. J. J. Appl. Crystallogr. 1997, 30, 565'
_computing_publication_material
;
 'WinGX publication routines, Farrugia, 
 L. J., J. Appl. Crystallogr., 1999, 32, 837-838
;
_computing_structure_refinement
;
 SHELXL-2018/1 (Sheldrick, 2018)
 Sheldrick GM (2008) Acta Crystallogr A64:112--122 and 
 C. B. H\"ubschle, G. M. Sheldrick and B. Dittrich
 ShelXle: a Qt graphical user interface for SHELXL
 J. Appl. Cryst., 44, (2011) 1281-1284.
;
_computing_structure_solution
; 
 SHELXT
 Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
;
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150.01(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.1150
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, EosS2'
_diffrn_measurement_method       '\w scans'
_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  0.0400
_diffrn_reflns_av_unetI/netI     0.0215
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            7994
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         72.930
_diffrn_reflns_theta_min         4.327
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.540
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.88943
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.46 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.231
_exptl_crystal_description       block
_exptl_crystal_F_000             1224
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: 9:1 hexane:2-propyl alcohol mixture'
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.156
_refine_diff_density_min         -0.134
_refine_diff_density_rms         0.026
_refine_ls_extinction_coef       0.00048(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/1 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         1383
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0411
_refine_ls_R_factor_gt           0.0366
_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^)+(0.0501P)^2^+1.0391P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0963
_refine_ls_wR_factor_ref         0.0995
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1238
_reflns_number_total             1383
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9sc02489a2.cif
_cod_data_source_block           syn-9
_cod_original_cell_volume        3130.12(17)
_cod_database_code               1552274
_shelx_shelxl_version_number     2018/1
_shelx_estimated_absorpt_t_min   0.923
_shelx_estimated_absorpt_t_max   0.938
_oxdiff_exptl_absorpt_empirical_full_min 0.769
_oxdiff_exptl_absorpt_empirical_full_max 1.259
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              37726