2-Pyridone-stabilized iridium silylene/silyl complexes: structure and QTAIM analysis.
Guzmán, Jefferson; Bernal, Ana M.; García-Orduña, Pilar; Lahoz, Fernando J.; Polo, Víctor; Fernández-Alvarez, Francisco J; Dalton transactions (Cambridge, England : 2003) 49 (2020) 17665–17673; doi:10.1039/d0dt03326j

data_7705749
_publ_section_title
;
 2-Pyridone-stabilized iridium silylene/silyl complexes: structure and
 QTAIM analysis.
;
_journal_issue                   48
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              17665
_journal_page_last               17673
_journal_paper_doi               10.1039/d0dt03326j
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C24 H40 Cl Ir N2 O2 Si2'
_chemical_formula_sum            'C24 H40 Cl Ir N2 O2 Si2'
_chemical_formula_weight         672.41
_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   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-03-12 deposited with the CCDC.	2020-11-19 downloaded from the CCDC.
;
_cell_angle_alpha                105.4291(7)
_cell_angle_beta                 103.4935(6)
_cell_angle_gamma                94.0182(6)
_cell_formula_units_Z            4
_cell_length_a                   12.0235(6)
_cell_length_b                   14.4027(7)
_cell_length_c                   17.5331(8)
_cell_measurement_reflns_used    9812
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.082
_cell_measurement_theta_min      2.198
_cell_volume                     2817.6(2)
_computing_cell_refinement
'SAINT+ in APEX3 v. 2017.3 (Bruker AXS, 2008)'
_computing_data_collection       'SMART in APEX2 v. 2008.4 (Bruker AXS, 2008)'
_computing_data_reduction
'SAINT+ in APEX3 v. 2017.3 (Bruker AXS, 2008)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 2012)'
_computing_publication_material  'XCIF program, PLATON(Spek, 1998)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.939
_diffrn_measurement_device_type  'Bruker APEX DUO system'
_diffrn_measurement_method       'narrow \w frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0240
_diffrn_reflns_av_unetI/netI     0.0212
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.939
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            64840
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.939
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.198
_diffrn_reflns_theta_min         1.248
_exptl_absorpt_coefficient_mu    4.941
_exptl_absorpt_correction_T_max  0.5567
_exptl_absorpt_correction_T_min  0.4155
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.585
_exptl_crystal_description       prism
_exptl_crystal_F_000             1344
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: dichloromethane'
_exptl_crystal_size_max          0.203
_exptl_crystal_size_mid          0.197
_exptl_crystal_size_min          0.103
_refine_diff_density_max         3.258
_refine_diff_density_min         -1.680
_refine_diff_density_rms         0.135
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     596
_refine_ls_number_reflns         15705
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0301
_refine_ls_R_factor_gt           0.0247
_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^)+(0.0434P)^2^+1.1552P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0627
_refine_ls_wR_factor_ref         0.0655
_reflns_Friedel_coverage         0.000
_reflns_number_gt                13872
_reflns_number_total             15705
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt03326j2.cif
_cod_data_source_block           cmpnd_3
_cod_depositor_comments
'Adding full bibliography for 7705749--7705751.cif.'
_cod_database_code               7705749
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              48025