Bis-[cyclic(alkyl)(amino)carbene]-derived diradicals.
Nayak, Mithilesh Kumar; Elvers, Benedict J.; Mehta, Sakshi; Krummenacher, Ivo; Mondal, Abhishake; Braunschweig, Holger; Schulzke, Carola; Ravat, Prince; Jana, Anukul; Chemical communications (Cambridge, England) 60 (2024) 1739–1742; doi:10.1039/d3cc05779h

data_7132511
_publ_section_title
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 Bis-[cyclic(alkyl)(amino)carbene]-derived diradicals.
;
_journal_issue                   13
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1739
_journal_page_last               1742
_journal_paper_doi               10.1039/d3cc05779h
_journal_volume                  60
_journal_year                    2024
_chemical_formula_moiety         'C18 H31 F3 Li N O4 S'
_chemical_formula_sum            'C18 H31 F3 Li N O4 S'
_chemical_formula_weight         421.44
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-07-11 deposited with the CCDC.	2023-12-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 104.459(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.8035(3)
_cell_length_b                   11.8153(2)
_cell_length_c                   16.7982(3)
_cell_measurement_reflns_used    11619
_cell_measurement_temperature    250(2)
_cell_measurement_theta_max      28.8620
_cell_measurement_theta_min      2.9680
_cell_volume                     2268.51(8)
_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-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2016 (Sheldrick, 2015)'
_diffrn_ambient_temperature      250(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.910
_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  0.0381
_diffrn_reflns_av_unetI/netI     0.0312
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.910
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            33844
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.910
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.006
_diffrn_reflns_theta_min         2.504
_diffrn_source                   'fine-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.188
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.50755
_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    1.234
_exptl_crystal_description       needle
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.292
_exptl_crystal_size_mid          0.260
_exptl_crystal_size_min          0.161
_refine_diff_density_max         0.407
_refine_diff_density_min         -0.338
_refine_diff_density_rms         0.044
_refine_ls_extinction_coef       0.0080(12)
_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   1.074
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         5483
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0593
_refine_ls_R_factor_gt           0.0445
_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^)+(0.0646P)^2^+0.4435P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1222
_refine_ls_wR_factor_ref         0.1299
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4249
_reflns_number_total             5483
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3cc05779h2.cif
_cod_data_source_block           AJ2045
_cod_depositor_comments
'Adding full bibliography for 7132505--7132514.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7132511
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.947
_shelx_estimated_absorpt_t_max   0.970
_shelx_res_checksum              35095
_shelx_hkl_checksum              81093