"Give me five" - an amino imidazoline-2-imine ligand stabilises the first neutral five-membered cyclic triel(I) carbenoides.
Denker, Lars; Trzaskowski, Bartosz; Frank, René; Chemical communications (Cambridge, England) 57 (2021) 2816–2819; doi:10.1039/d1cc00010a

data_7127929
_publ_section_title
;
 &quot;Give me five&quot; - an amino imidazoline-2-imine ligand stabilises
 the first neutral five-membered cyclic triel(I) carbenoides.
;
_journal_issue                   22
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              2816
_journal_page_last               2819
_journal_paper_doi               10.1039/d1cc00010a
_journal_volume                  57
_journal_year                    2021
_chemical_formula_sum            'C29 H41 N4 Tl'
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_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
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_audit_update_record
;
2021-02-01 deposited with the CCDC.	2021-02-09 downloaded from the CCDC.
;
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_cell_measurement_theta_min      2.5700
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'OLEX2 v1.2 (O. V. Dolomanov et al., J. Appl. Cryst., 2009, 42, 339-341)'
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'SHELXL-2017/1 (G. M. Sheldrick, Acta Cryst., 2008, A64, 112-122)'
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'SHELXT-2014/5 (G. M. Sheldrick, Acta Cryst., 2015, A71, 3-8)'
_diffrn_ambient_temperature      101(2)
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'XtaLAB Synergy, Single source at offset/far, HyPix'
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_diffrn_reflns_av_unetI/netI     0.0266
_diffrn_reflns_Laue_measured_fraction_full 0.999
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_diffrn_reflns_limit_k_min       -14
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_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            524932
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_diffrn_source                   'micro-focus sealed X-ray tube'
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_exptl_absorpt_correction_T_max  1.000
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_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.35a (Rigaku Oxford Diffraction, 2018)
Numerical absorption correction based on gaussian integration over
			a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear dark red'
_exptl_crystal_density_diffrn    1.536
_exptl_crystal_description       block
_exptl_crystal_F_000             1296
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_refine_ls_extinction_method     none
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_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.0433
_refine_ls_R_factor_gt           0.0301
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0229P)^2^+3.8539P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0561
_refine_ls_wR_factor_ref         0.0585
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_reflns_number_gt                9587
_reflns_number_total             11092
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           wit_rf75rf
_cod_depositor_comments
'Adding full bibliography for 7127923--7127929.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7127929
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              46029
_shelx_hkl_checksum              42148