Evidence and exploitation of dicationic ammonium-nitrilium superelectrophiles: direct synthesis of unsaturated piperidinones.
Cantin, Thomas; Morgenstern, Yvonne; Mingot, Agnès; Kornath, Andreas; Thibaudeau, Sébastien; Chemical communications (Cambridge, England) 56 (2020) 11110–11113; doi:10.1039/d0cc02910f

data_7127019
_publ_section_title
;
 Evidence and exploitation of dicationic ammonium-nitrilium
 superelectrophiles: direct synthesis of unsaturated piperidinones.
;
_journal_issue                   75
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              11110
_journal_page_last               11113
_journal_paper_doi               10.1039/d0cc02910f
_journal_volume                  56
_journal_year                    2020
_chemical_formula_moiety         'F6 Sb, C2 H5 N2'
_chemical_formula_sum            'C2 H5 F6 N2 Sb'
_chemical_formula_weight         292.83
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date
;
'Tue Jul 04 15:58:13 2017'
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_audit_creation_method
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.36.24 (release 03-12-2012 CrysAlis171 .NET)
(compiled Dec 3 2012,18:21:49)
;
_audit_update_record
;
2018-07-22 deposited with the CCDC.	2020-07-31 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 97.481(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7291(3)
_cell_length_b                   9.3482(4)
_cell_length_c                   10.1754(4)
_cell_measurement_reflns_used    2023
_cell_measurement_temperature    143(2)
_cell_measurement_theta_max      31.8990
_cell_measurement_theta_min      4.8150
_cell_volume                     728.95(5)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.36.24 (release 03-12-2012 CrysAlis171 .NET)
(compiled Dec 3 2012,18:21:49)
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_computing_data_collection
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.36.24 (release 03-12-2012 CrysAlis171 .NET)
(compiled Dec 3 2012,18:21:49)
;
_computing_data_reduction
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.36.24 (release 03-12-2012 CrysAlis171 .NET)
(compiled Dec 3 2012,18:21:49)
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_computing_molecular_graphics
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'ORTEP (M. N. Burnett, C. K. Johnson, ORTEP-III: Oak Ridge Thermal Ellipsoid
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_computing_publication_material
;PLATON (A. L. Spek, Acta Crystallogr, Sect. A, 1990, 46, C34, 1995 version).
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      143
_diffrn_detector_area_resol_mean 15.9809
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Xcalibur, Sapphire3'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      -0.0256949000
_diffrn_orient_matrix_UB_12      -0.0536150000
_diffrn_orient_matrix_UB_13      -0.0478819000
_diffrn_orient_matrix_UB_21      -0.0421164000
_diffrn_orient_matrix_UB_22      0.0525831000
_diffrn_orient_matrix_UB_23      -0.0431417000
_diffrn_orient_matrix_UB_31      0.0783890000
_diffrn_orient_matrix_UB_32      0.0107246000
_diffrn_orient_matrix_UB_33      -0.0280184000
_diffrn_radiation_collimation    0.5
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0254
_diffrn_reflns_av_sigmaI/netI    0.0412
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            3830
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         29.11
_diffrn_reflns_theta_min         4.16
_diffrn_source_current           40
_diffrn_source_type              'Spellman generator'
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    3.838
_exptl_absorpt_correction_T_max  0.7239
_exptl_absorpt_correction_T_min  0.5292
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.36.24 (release 03-12-2012 CrysAlis171 .NET)
(compiled Dec 3 2012,18:21:49)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.668
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.09
_refine_diff_density_max         1.196
_refine_diff_density_min         -1.182
_refine_diff_density_rms         0.169
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.178
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     112
_refine_ls_number_reflns         1957
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.178
_refine_ls_R_factor_all          0.0379
_refine_ls_R_factor_gt           0.0317
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0140P)^2^+1.7329P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0637
_refine_ls_wR_factor_ref         0.0663
_reflns_number_gt                1749
_reflns_number_total             1957
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d0cc02910f2.cif
_cod_data_source_block           xe024
_cod_depositor_comments
'Adding full bibliography for 7127019--7127020.cif.'
_cod_original_sg_symbol_Hall     '-P 2ybc '
_cod_original_sg_symbol_H-M      'P 21/c '
_cod_database_code               7127019