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_7716105
_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         'C27 H38 N2'
_chemical_formula_sum            'C27 H38 N2'
_chemical_formula_weight         390.61
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_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                67.311(4)
_cell_angle_beta                 70.582(4)
_cell_angle_gamma                79.542(4)
_cell_formula_units_Z            2
_cell_length_a                   10.2164(5)
_cell_length_b                   10.7791(5)
_cell_length_c                   13.0555(5)
_cell_measurement_reflns_used    3978
_cell_measurement_temperature    173
_cell_measurement_theta_max      26.79
_cell_measurement_theta_min      2.11
_cell_volume                     1248.66(11)
_computing_cell_refinement       'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_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 5.811
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.813
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0436
_diffrn_reflns_av_unetI/netI     0.0686
_diffrn_reflns_Laue_measured_fraction_full 0.988
_diffrn_reflns_Laue_measured_fraction_max 0.813
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            16382
_diffrn_reflns_point_group_measured_fraction_full 0.988
_diffrn_reflns_point_group_measured_fraction_max 0.813
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.052
_diffrn_reflns_theta_min         1.766
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.060
_exptl_absorpt_correction_T_max  0.997
_exptl_absorpt_correction_T_min  0.942
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.46 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.039
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             428.00
_exptl_crystal_size_max          0.080
_exptl_crystal_size_mid          0.070
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.30
_refine_diff_density_min         -0.25
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    mixed
_refine_ls_number_parameters     276
_refine_ls_number_reflns         5418
_refine_ls_number_restraints     1
_refine_ls_R_factor_all          0.1295
_refine_ls_R_factor_gt           0.0616
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0835P)^2^+0.1476P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1568
_refine_ls_wR_factor_ref         0.1823
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2909
_reflns_number_total             5418
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            d4dt01298d2.cif
_cod_data_source_block           cbas5
_cod_depositor_comments
'Adding full bibliography for 7716105--7716116.cif.'
_cod_database_code               7716105
_shelx_shelxl_version_number     2019/3
_shelx_res_checksum              42093