Migrations of Alkyl and Aryl Groups from Silicon to Nitrogen in Silylated Aryloxyiminoquinones
Shekar, Sukesh; Brown, Seth N.; Organometallics 32 (2013) 556–; doi:10.1021/om301028c

data_4079896
_publ_section_title
;
 Migrations of Alkyl and Aryl Groups from Silicon to Nitrogen in Silylated
 Aryloxyiminoquinones
;
_journal_issue                   2
_journal_name_full               Organometallics
_journal_page_first              556
_journal_paper_doi               10.1021/om301028c
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C56 H80 N2 O4 Pb, 2 (C H Cl3)'
_chemical_formula_sum            'C58 H82 Cl6 N2 O4 Pb'
_chemical_formula_weight         1291.15
_chemical_name_common            'Pb(ONO-Q)2 . 2 CHCl3'
_chemical_name_systematic
;
 Bis[2-(3,5-di-tert-butyl-o-quinoneiminato)-4,6-di-tert-
butylphenoxy]lead(II) dichloroform solvate
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                103.694(7)
_cell_angle_beta                 90.075(5)
_cell_angle_gamma                106.822(7)
_cell_formula_units_Z            2
_cell_length_a                   11.1201(11)
_cell_length_b                   12.8168(15)
_cell_length_c                   23.1726(19)
_cell_measurement_reflns_used    9909
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.097
_cell_measurement_theta_min      2.534
_cell_volume                     3062.8(6)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004; Sheldrick, 2003)'
_computing_molecular_graphics    'XP (Sheldrick, 1998)'
_computing_publication_material  'XCIF (Sheldrick, 2001)'
_computing_structure_refinement  'XL (Sheldrick, 2001)'
_computing_structure_solution    'XS (Sheldrick, 2001)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0382
_diffrn_reflns_av_sigmaI/netI    0.0437
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            44531
_diffrn_reflns_theta_full        26.45
_diffrn_reflns_theta_max         26.45
_diffrn_reflns_theta_min         0.91
_exptl_absorpt_coefficient_mu    3.060
_exptl_absorpt_correction_T_max  0.8449
_exptl_absorpt_correction_T_min  0.6354
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Blessing, R. H. (1995) Acta Cryst. A51, 33-38.

Sheldrick, G.M. (2008) SADABS v2008/1. Bruker AXS Inc. 
Madison, WI USA.
;
_exptl_crystal_colour            'red-green dichroic'
_exptl_crystal_density_diffrn    1.400
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1320
_exptl_crystal_recrystallization_method
;
 Crystals were grown by slow evaporation from chloroform.
;
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.182
_refine_diff_density_min         -1.016
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     657
_refine_ls_number_reflns         12473
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0377
_refine_ls_R_factor_gt           0.0299
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0299P)^2^+2.6707P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0633
_refine_ls_wR_factor_ref         0.0662
_reflns_number_gt                11062
_reflns_number_total             12473
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om301028c_si_002.cif
_cod_data_source_block           pbq2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        3062.8(5)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4079896