Synthesis of aminyl biradicals by base-induced Csp3–Csp3 coupling of cationic azo dyes
Liu, Yizhu; Varava, Paul; Fabrizio, Alberto; Eymann, Léonard Y. M.; Tskhovrebov, Alexander G.; Planes, Ophélie Marie; Solari, Euro; Fadaei-Tirani, Farzaneh; Scopelliti, Rosario; Sienkiewicz, Andrzej; Corminboeuf, Clémence; Severin, Kay; Chemical Science  (2019) –; doi:10.1039/C9SC01502G

data_1550995
_publ_section_title
;
 Synthesis of aminyl biradicals by base-induced Csp3--Csp3 coupling of
 cationic azo dyes
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/C9SC01502G
_journal_year                    2019
_chemical_formula_moiety         'C60 H66 N8'
_chemical_formula_sum            'C60 H66 N8'
_chemical_formula_weight         899.20
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2019-03-18 deposited with the CCDC.    2019-05-03 downloaded from the CCDC.
;
_cell_angle_alpha                95.280(4)
_cell_angle_beta                 100.912(4)
_cell_angle_gamma                98.331(4)
_cell_formula_units_Z            2
_cell_length_a                   12.5606(6)
_cell_length_b                   14.7631(6)
_cell_length_c                   16.2731(8)
_cell_measurement_reflns_used    4667
_cell_measurement_temperature    140.00(10)
_cell_measurement_theta_max      72.6940
_cell_measurement_theta_min      4.0820
_cell_volume                     2909.5(2)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_molecular_graphics    'Mercury 4.0.0 (CCDC, 2018)'
_computing_publication_material  'CIFTab (Sheldrick, 2015)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      140.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.2665
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w   -112.00 -22.00   1.00   10.00    --  -43.01 -57.00-120.00   90
  2  \w    -71.00  24.00   1.00   10.00    --  -43.01  57.00  30.00   95
  3  \w    -86.00 -19.00   1.00   10.00    --  -43.01 125.00  90.00   67
  4  \w   -117.00 -80.00   1.00   10.00    --  -43.01 -99.00   0.00   37
  5  \w   -124.00 -99.00   1.00   10.00    --  -43.01 -99.00 -90.00   25
  6  \w    102.00 146.00   1.00   40.00    --  105.68  77.00 150.00   44
  7  \w     33.00  67.00   1.00   40.00    --  105.68 -45.00 -60.00   34
  8  \w     36.00  96.00   1.00   40.00    --  105.68 -77.00   0.00   60
  9  \w     72.00 100.00   1.00   40.00    --  105.68 -61.00  90.00   28
 10  \w     56.00 103.00   1.00   40.00    --  105.68 -94.00 -60.00   47
 11  \w     36.00 132.00   1.00   40.00    --  105.68 -45.00  90.00   96
 12  \w     82.00 122.00   1.00   40.00    --  105.68 -45.00 -60.00   40
 13  \w     37.00 118.00   1.00   40.00    --  105.68-125.00 150.00   81
 14  \w     51.00 113.00   1.00   40.00    --  105.68 -45.00-180.00   62
 15  \w     29.00  66.00   1.00   40.00    --  105.68 -94.00  90.00   37
 16  \w     53.00 108.00   1.00   40.00    --  105.68 -94.00-150.00   55
 17  \w     23.00  50.00   1.00   40.00    --  105.68 -94.00 -30.00   27
 18  \w     82.00 107.00   1.00   40.00    --  105.68 -94.00 -30.00   25
 19  \w     18.00 166.00   1.00   40.00    --  105.68   0.00 -30.00  148
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Atlas'
_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  0.0364
_diffrn_reflns_av_unetI/netI     0.0512
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.969
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            20784
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.969
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         73.513
_diffrn_reflns_theta_min         3.870
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.469
_exptl_absorpt_correction_T_max  0.943
_exptl_absorpt_correction_T_min  0.870
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear intense red'
_exptl_crystal_density_diffrn    1.026
_exptl_crystal_description       irregular
_exptl_crystal_F_000             964
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.163
_exptl_crystal_size_min          0.087
_refine_diff_density_max         0.241
_refine_diff_density_min         -0.169
_refine_diff_density_rms         0.038
_refine_ls_extinction_coef       0.00096(14)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   0.989
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     630
_refine_ls_number_reflns         11360
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.989
_refine_ls_R_factor_all          0.0723
_refine_ls_R_factor_gt           0.0481
_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^)+(0.0747P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1261
_refine_ls_wR_factor_ref         0.1417
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7953
_reflns_number_total             11360
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9sc01502g2.cif
_cod_data_source_block           yzl830
_cod_database_code               1550995
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.912
_shelx_estimated_absorpt_t_max   0.960
_shelx_res_checksum              35661
_shelx_fab_checksum              92813