Synthesis, Structures, and Kinetics of Mixed-Donor Amido-Amino-Siloxo Ligands from Symmetrical Diamidosilyl Ether Ligands via a Retro-Brook Rearrangement
Farzad Haftbaradaran; Angela M. Kuchison; Michael J. Katz; Gabriele Schatte; Daniel B. Leznoff; Inorganic Chemistry 47 (2008) 812–822; doi:10.1021/ic701267a

data_4304014
_publ_contact_author_address
; 
 Department of Chemistry
 8888 University Drive
 Simon Fraser University
 Burnaby, British Columbia
 Canada   V5A 1S6
;
_publ_contact_author_email       dleznoff@sfu.ca
_publ_contact_author_fax         604-291-3765
_publ_contact_author_name        'Daniel B. Leznoff'
_publ_contact_author_phone       604-291-4887
_publ_section_title
;
Synthesis, Structures, and Kinetics of Mixed-Donor Amido-Amino-Siloxo
Ligands from Symmetrical Diamidosilyl Ether Ligands via a Retro-Brook
Rearrangement
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              812
_journal_page_last               822
_journal_paper_doi               10.1021/ic701267a
_journal_volume                  47
_journal_year                    2008
_chemical_formula_moiety         'C40 H104 Li8 N8 O4 Si8'
_chemical_formula_sum            'C40 H104 Li8 N8 O4 Si8'
_chemical_formula_weight         1041.55
_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     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                75.9850(10)
_cell_angle_beta                 80.2350(10)
_cell_angle_gamma                85.4090(10)
_cell_formula_units_Z            2
_cell_length_a                   12.05340(10)
_cell_length_b                   15.7902(2)
_cell_length_c                   17.6785(2)
_cell_measurement_reflns_used    9366
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      30.41
_cell_measurement_theta_min      2.21
_cell_volume                     3214.54(6)
_computing_cell_refinement       'Bruker APEX2'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker APEX2'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0423
_diffrn_reflns_av_sigmaI/netI    0.0379
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            98960
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.57
_diffrn_standards_decay_%        'no decay'
_exptl_absorpt_coefficient_mu    0.206
_exptl_absorpt_correction_T_max  0.9571
_exptl_absorpt_correction_T_min  0.9370
_exptl_absorpt_correction_type   'empirical multi-scan'
_exptl_absorpt_process_details   'Bruker APEX2'
_exptl_crystal_colour            clear
_exptl_crystal_density_diffrn    1.076
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1136
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.465
_refine_diff_density_min         -0.238
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     765
_refine_ls_number_reflns         15902
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0599
_refine_ls_R_factor_gt           0.0367
_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^)+(0.0484P)^2^+0.8117P] 
  where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0864
_refine_ls_wR_factor_ref         0.0972
_reflns_number_gt                11949
_reflns_number_total             15902
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic701267a-file001_3.cif
_cod_data_source_block           PrNNOLi
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P -1 '
_cod_database_code               4304014