Alkyl backbone variations in common β-diketiminate ligands and applications to <i>N</i>-heterocyclic silylene chemistry.
Bourne, Connor; Dong, Huanhuan; McKain, Katharine; Mayer, Lena C.; McKay, Aidan P.; Cordes, David B.; Slawin, Alexandra M. Z.; Stasch, Andreas; Dalton transactions (Cambridge, England : 2003) 53 (2024) 9887–9895; doi:10.1039/d4dt01298d

data_7716109
_publ_section_title
;
 Alkyl backbone variations in common &#x3b2;-diketiminate ligands and
 applications to <i>N</i>-heterocyclic silylene chemistry.
;
_journal_issue                   23
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9887
_journal_page_last               9895
_journal_paper_doi               10.1039/d4dt01298d
_journal_volume                  53
_journal_year                    2024
_chemical_formula_moiety         'C37 H59 Li N2 O'
_chemical_formula_sum            'C37 H59 Li N2 O'
_chemical_formula_weight         554.83
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2023-07-18
_audit_creation_method           'by CrystalStructure 4.3'
_audit_update_record
;
2024-04-30 deposited with the CCDC.	2024-05-21 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 117.6008(10)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            8
_cell_length_a                   21.02927(17)
_cell_length_b                   17.76700(9)
_cell_length_c                   22.03725(17)
_cell_measurement_reflns_used    50007
_cell_measurement_temperature    173
_cell_measurement_theta_max      75.30
_cell_measurement_theta_min      2.28
_cell_volume                     7296.69(11)
_computing_cell_refinement       'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_data_collection       'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_data_reduction        'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_molecular_graphics    'CrystalStructure 4.3'
_computing_publication_material  'CrystalStructure 4.3 (Rigaku, 2018)'
_computing_structure_refinement  'SHELXL Version 2019/3 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT Version 2018/2 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 5.814
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0193
_diffrn_reflns_av_unetI/netI     0.0155
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            86594
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         75.493
_diffrn_reflns_theta_min         2.402
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.441
_exptl_absorpt_correction_T_max  0.957
_exptl_absorpt_correction_T_min  0.811
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.93a (Rigaku Oxford Diffraction, 2020)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.010
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2448.00
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.29
_refine_diff_density_min         -0.24
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_number_parameters     791
_refine_ls_number_reflns         14938
_refine_ls_number_restraints     6
_refine_ls_R_factor_all          0.0484
_refine_ls_R_factor_gt           0.0436
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0646P)^2^+1.3264P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1216
_refine_ls_wR_factor_ref         0.1257
_reflns_Friedel_coverage         0.000
_reflns_number_gt                13176
_reflns_number_total             14938
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            d4dt01298d2.cif
_cod_data_source_block           cbas64
_cod_depositor_comments
'Adding full bibliography for 7716105--7716116.cif.'
_cod_database_code               7716109
_shelx_shelxl_version_number     2019/3
_shelx_res_checksum              32884