"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_7127924
_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 Al I2 N4'
_chemical_formula_weight         726.44
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
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_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-02-01 deposited with the CCDC.	2021-02-09 downloaded from the CCDC.
;
_cell_angle_alpha                92.946(3)
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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)
_diffrn_detector_area_resol_mean 10.0000
_diffrn_measured_fraction_theta_full 0.999
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'XtaLAB Synergy, Single source at offset/far, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0642
_diffrn_reflns_av_unetI/netI     0.0287
_diffrn_reflns_Laue_measured_fraction_full 0.999
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_diffrn_reflns_limit_k_max       14
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_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            63860
_diffrn_reflns_point_group_measured_fraction_full 0.999
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_diffrn_source                   'micro-focus sealed X-ray tube'
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_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.35a (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.530
_exptl_crystal_description       block
_exptl_crystal_F_000             724
_exptl_crystal_size_max          0.193
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_refine_ls_extinction_method     none
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_refine_ls_R_factor_all          0.0458
_refine_ls_R_factor_gt           0.0360
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0688P)^2^+1.3302P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1005
_refine_ls_wR_factor_ref         0.1074
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5415
_reflns_number_total             6454
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc00010a2.cif
_cod_data_source_block           rf73rf
_cod_depositor_comments
;
The following automatic conversions were performed:

data name '__computing_structure_solution' was replaced with
'_computing_structure_solution'.

Automatic conversion script
Id: cif_correct_tags 7550 2019-12-06 10:49:48Z antanas 

The following automatic conversions were performed:

data item '_diffrn_ambient_temperature' value '101(2' was changed to
'101(2)' -- precision was estimated.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7127923--7127929.cif.
;
_cod_database_code               7127924
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              47240
_shelx_hkl_checksum              47056