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_1567809
_publ_section_title
;
 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         'C33 H56 N6'
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_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.
;
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_cell_angle_beta                 79.823(5)
_cell_angle_gamma                82.783(5)
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_cell_measurement_theta_min      2.9780
_cell_volume                     1673.56(19)
_computing_cell_refinement       'CrysAlisPro 1.171.39.29d (Rigaku OD, 2017)'
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_computing_molecular_graphics    'XP Version 5.1 by Bruker AXS 1998'
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_computing_structure_solution    'SHELXT-2016 (Sheldrick, 2015)'
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_diffrn_measured_fraction_theta_max 0.875
_diffrn_measurement_device_type  'XtaLAB AFC12 (RINC): Kappa single'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
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_diffrn_source                   'fine-focus sealed X-ray tube'
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_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    1.065
_exptl_crystal_description       block
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_refine_ls_number_reflns         7703
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          0.0873
_refine_ls_R_factor_gt           0.0602
_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^)+(0.0950P)^2^+0.0507P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1675
_refine_ls_wR_factor_ref         0.1818
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5243
_reflns_number_total             7703
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc03937k2.cif
_cod_data_source_block           AJ1992
_cod_depositor_comments
'Adding full bibliography for 1567803--1567816.cif.'
_cod_database_code               1567809
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.974
_shelx_estimated_absorpt_t_max   0.983
_shelx_res_checksum              12893
_shelx_hkl_checksum              35678