A bis-NHC–CAAC dimer derived dicationic diradical
Nayak, Mithilesh Kumar; Sarkar, Pallavi; Elvers, Benedict J.; Mehta, Sakshi; Zhang, Fangyuan; Chrysochos, Nicolas; Krummenacher, Ivo; Vijayakanth, Thangavel; Narayanan, Ramakirushnan Suriya; Dolai, Ramapada; Roy, Biswarup; Malik, Vishal; Rawat, Hemant; Mondal, Abhishake; Boomishankar, Ramamoorthy; Pati, Swapan K.; Braunschweig, Holger; Schulzke, Carola; Ravat, Prince; Jana, Anukul; Chemical Science 13 (2022) 12533–12539; doi:10.1039/D2SC03937K

data_1567811
_publ_section_title
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 A bis-NHC--CAAC dimer derived dicationic diradical
;
_journal_issue                   42
_journal_name_full               'Chemical Science'
_journal_page_first              12533
_journal_page_last               12539
_journal_paper_doi               10.1039/D2SC03937K
_journal_volume                  13
_journal_year                    2022
_chemical_formula_moiety         'C36 H64 N6, 2(C F3 O3 S)'
_chemical_formula_sum            'C38 H64 F6 N6 O6 S2'
_chemical_formula_weight         879.07
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 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
;
2022-03-25 deposited with the CCDC.	2022-09-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.642(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.1161(4)
_cell_length_b                   46.1464(16)
_cell_length_c                   11.2799(6)
_cell_measurement_reflns_used    9086
_cell_measurement_temperature    250(2)
_cell_measurement_theta_max      26.3700
_cell_measurement_theta_min      2.8840
_cell_volume                     4569.4(4)
_computing_cell_refinement       'CrysAlisPro 1.171.39.29d (Rigaku OD, 2017)'
_computing_data_collection       'CrysAlisPro 1.171.39.29d (Rigaku OD, 2017)'
_computing_data_reduction        'CrysAlisPro 1.171.39.29d (Rigaku OD, 2017)'
_computing_molecular_graphics    'XP Version 5.1 by Bruker AXS 1998'
_computing_publication_material  'CIFTAB (Sheldrick, 2015)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT-2016 (Sheldrick, 2015)'
_diffrn_ambient_temperature      250(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'XtaLAB AFC12 (RINC): Kappa single'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0469
_diffrn_reflns_av_unetI/netI     0.0557
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       47
_diffrn_reflns_limit_k_min       -57
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            32348
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         26.372
_diffrn_reflns_theta_min         2.672
_diffrn_source                   'fine-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.189
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.28286
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.29d (Rigaku Oxford Diffraction, 2017)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_description       platelet
_exptl_crystal_F_000             1872
_exptl_crystal_size_max          0.106
_exptl_crystal_size_mid          0.094
_exptl_crystal_size_min          0.092
_refine_diff_density_max         0.878
_refine_diff_density_min         -0.561
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         9288
_refine_ls_number_restraints     579
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.1226
_refine_ls_R_factor_gt           0.0756
_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^)+(0.1013P)^2^+2.3540P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2015
_refine_ls_wR_factor_ref         0.2238
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5531
_reflns_number_total             9288
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc03937k2.cif
_cod_data_source_block           AJ1925R
_cod_depositor_comments
'Adding full bibliography for 1567803--1567816.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1567811
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.980
_shelx_estimated_absorpt_t_max   0.983
_shelx_res_checksum              45090
_shelx_hkl_checksum              55613