Hypercoordinated Oligosilanes Based on Aminotrisphenols.
Aghazadeh Meshgi, Mohammad; Zaitsev, Kirill V.; Vener, Mikhail V.; Churakov, Andrei V.; Baumgartner, Judith; Marschner, Christoph; ACS omega 3 (2018) 10317–10330; doi:10.1021/acsomega.8b01402

data_4515955
_publ_section_title
;
 Hypercoordinated Oligosilanes Based on Aminotrisphenols.
;
_journal_issue                   8
_journal_name_full               'ACS omega'
_journal_page_first              10317
_journal_page_last               10330
_journal_paper_doi               10.1021/acsomega.8b01402
_journal_volume                  3
_journal_year                    2018
_chemical_formula_sum            'C36 H57 N O3 Si5'
_chemical_formula_weight         692.28
_space_group_IT_number           165
_space_group_name_Hall           '-P 3 2"c'
_space_group_name_H-M_alt        'P -3 c 1'
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_H-M   'P -3 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            4
_cell_length_a                   14.3849(18)
_cell_length_b                   14.3849(18)
_cell_length_c                   22.169(4)
_cell_measurement_reflns_used    14110
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      52.504
_cell_measurement_theta_min      4.902
_cell_volume                     3972.7(10)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'SMART APEX''
_diffrn_measurement_method       '\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  0.0351
_diffrn_reflns_av_sigmaI/netI    0.0163
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            29652
_diffrn_reflns_theta_full        26.36
_diffrn_reflns_theta_max         26.36
_diffrn_reflns_theta_min         1.63
_exptl_absorpt_coefficient_mu    0.213
_exptl_absorpt_correction_T_max  0.9749
_exptl_absorpt_correction_T_min  0.9586
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.157
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1496
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.450
_refine_diff_density_min         -0.299
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.261
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     142
_refine_ls_number_reflns         2696
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.261
_refine_ls_R_factor_all          0.0611
_refine_ls_R_factor_gt           0.0599
_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^)+(0.0292P)^2^+9.0313P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1355
_refine_ls_wR_factor_ref         0.1361
_reflns_number_gt                2636
_reflns_number_total             2696
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ao8b01402_si_002.cif
_cod_data_source_block           1174j
_cod_original_cell_volume        3972.8(10)
_cod_original_sg_symbol_H-M      P-3c1
_cod_database_code               4515955