Raise the anchor! Synthesis, X-ray and NMR characterization of 1,3,5-triazinanes with an axial tert-butyl group.
Kletskov, Alexey V.; Zatykina, Anastasya D.; Grudova, Mariya V.; Sinelshchikova, Anna A.; Grigoriev, Mikhail S.; Zaytsev, Vladimir P.; Gil, Diego M.; Novikov, Roman A.; Zubkov, Fedor I.; Frontera, Antonio; Organic & biomolecular chemistry 18 (2020) 8386–8394; doi:10.1039/d0ob01201g

data_7157654
_publ_section_title
;
 Raise the anchor! Synthesis, X-ray and NMR characterization of
 1,3,5-triazinanes with an axial tert-butyl group.
;
_journal_issue                   41
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              8386
_journal_page_last               8394
_journal_paper_doi               10.1039/d0ob01201g
_journal_volume                  18
_journal_year                    2020
_chemical_formula_moiety         'C19 H23 F2 N3 O4 S2, C D Cl3'
_chemical_formula_sum            'C20 H23 Cl3 D F2 N3 O4 S2'
_chemical_formula_weight         579.90
_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
;
2019-12-03 deposited with the CCDC.	2020-08-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.4481(2)
_cell_length_b                   14.3121(3)
_cell_length_c                   16.4591(3)
_cell_measurement_reflns_used    8174
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.43
_cell_measurement_theta_min      3.45
_cell_volume                     2461.20(8)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.997
_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  0.0499
_diffrn_reflns_av_unetI/netI     0.0375
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            38251
_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         29.995
_diffrn_reflns_theta_min         3.451
_exptl_absorpt_coefficient_mu    0.591
_exptl_absorpt_correction_T_max  0.901
_exptl_absorpt_correction_T_min  0.821
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.565
_exptl_crystal_description       fragment
_exptl_crystal_F_000             1192
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent: CDCl3'
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.427
_refine_diff_density_min         -0.536
_refine_diff_density_rms         0.060
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.48(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         7167
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0417
_refine_ls_R_factor_gt           0.0347
_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^)+(0.0392P)^2^+0.8280P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0796
_refine_ls_wR_factor_ref         0.0830
_reflns_Friedel_coverage         0.794
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                6426
_reflns_number_total             7167
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ob01201g3.cif
_cod_data_source_block           FT
_cod_depositor_comments
'Adding full bibliography for 7157649--7157656.cif.'
_cod_database_code               7157654
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.798
_shelx_estimated_absorpt_t_max   0.901
_shelx_res_checksum              71305