Extremely bulky amido-group 14 element chloride complexes: Potential synthons for low oxidation state main group chemistry.
Li, Jiaye; Stasch, Andreas; Schenk, Christian; Jones, Cameron; Dalton transactions (Cambridge, England : 2003) 40 (2011) 10448–10456; doi:10.1039/c1dt10678c

data_7016756
_publ_section_title
;
 Extremely bulky amido-group 14 element chloride complexes: Potential
 synthons for low oxidation state main group chemistry.
;
_journal_issue                   40
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10448
_journal_page_last               10456
_journal_paper_doi               10.1039/c1dt10678c
_journal_volume                  40
_journal_year                    2011
_chemical_formula_sum            'C40 H46 Li N O Si'
_chemical_formula_weight         591.81
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                74.610(8)
_cell_angle_beta                 88.130(6)
_cell_angle_gamma                68.295(8)
_cell_formula_units_Z            2
_cell_length_a                   9.8835(6)
_cell_length_b                   10.1932(11)
_cell_length_c                   18.8112(14)
_cell_measurement_temperature    123(2)
_cell_volume                     1693.1(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  mirror
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance Ultra (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0414
_diffrn_reflns_av_sigmaI/netI    0.0398
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            20449
_diffrn_reflns_theta_full        67.22
_diffrn_reflns_theta_max         67.22
_diffrn_reflns_theta_min         4.80
_exptl_absorpt_coefficient_mu    0.836
_exptl_absorpt_correction_T_max  0.974
_exptl_absorpt_correction_T_min  0.911
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALE3 ABSPACK'
_exptl_crystal_density_diffrn    1.161
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             636
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.295
_refine_diff_density_min         -0.289
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     403
_refine_ls_number_reflns         6002
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0570
_refine_ls_R_factor_gt           0.0407
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0650P)^2^+0.2242P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1060
_refine_ls_wR_factor_ref         0.1134
_reflns_number_gt                4815
_reflns_number_total             6002
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10678c.txt
_cod_data_source_block           Ar*NSiMe3LiOEt2
_cod_original_cell_volume        1693.1(2)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7016756