#------------------------------------------------------------------------------
#$Date: 2016-03-21 08:28:38 +0200 (Mon, 21 Mar 2016) $
#$Revision: 178607 $
#$URL: svn://www.crystallography.net/cod/cif/4/07/18/4071875.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_4071875
loop_
_publ_author_name
'Wallner, Andreas'
'Wagner, Harald'
'Baumgartner, Judith'
'Marschner, Christoph'
'Rohm, Henning W.'
'Köckerling, Martin'
'Krempner, Clemens'
_publ_section_title
;
 Structure, Conformation, and UV Absorption Behavior of Partially
 Trimethylsilylated Oligosilane Chains
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              5221
_journal_paper_doi               10.1021/om8004383
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C46 H138 Si22'
_chemical_formula_weight         1309.54
_chemical_name_systematic
; 
 ? 
;
_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                94.89(3)
_cell_angle_beta                 95.07(3)
_cell_angle_gamma                116.65(3)
_cell_formula_units_Z            1
_cell_length_a                   9.2052(18)
_cell_length_b                   9.6344(19)
_cell_length_c                   27.109(5)
_cell_measurement_temperature    100(2)
_cell_volume                     2119.2(9)
_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  'Bruker P4'
_diffrn_measurement_method       'ω 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  0.0964
_diffrn_reflns_av_sigmaI/netI    0.1474
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            12305
_diffrn_reflns_theta_full        22.50
_diffrn_reflns_theta_max         22.50
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    0.351
_exptl_absorpt_correction_T_max  0.9395
_exptl_absorpt_correction_T_min  0.8724
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.026
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             722
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.689
_refine_diff_density_min         -0.419
_refine_diff_density_rms         0.105
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.158
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         5534
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.158
_refine_ls_R_factor_all          0.1428
_refine_ls_R_factor_gt           0.0985
_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/[σ²(Fo²)+(0.0745P)²+1.1041P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1990
_refine_ls_wR_factor_ref         0.2149
_reflns_number_gt                3747
_reflns_number_total             5534
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8004383_si_001.cif
_cod_data_source_block           8_301j
_cod_original_cell_volume        2119.2(7)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4071875
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -y, -z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
Si1 Si 0.3311(3) 0.5676(3) 0.40841(10) 0.0309(7) Uani 1 1 d .
Si2 Si 0.1839(3) 0.6690(3) 0.36055(9) 0.0214(6) Uani 1 1 d .
Si3 Si 0.3004(3) 0.7143(3) 0.28612(9) 0.0222(6) Uani 1 1 d .
Si4 Si 0.2432(3) 0.8809(3) 0.23748(9) 0.0206(6) Uani 1 1 d .
Si5 Si 0.3055(3) 0.8787(3) 0.15462(9) 0.0166(6) Uani 1 1 d .
Si6 Si 0.0830(3) 0.6709(3) 0.10217(9) 0.0208(6) Uani 1 1 d .
Si7 Si 0.1270(3) 0.5815(3) 0.02452(9) 0.0215(6) Uani 1 1 d .
Si8 Si -0.0891(3) 0.4726(3) 0.34681(10) 0.0318(7) Uani 1 1 d .
Si9 Si 0.2075(3) 0.8916(3) 0.41092(9) 0.0285(7) Uani 1 1 d .
Si10 Si 0.5619(3) 0.8844(3) 0.15188(9) 0.0220(6) Uani 1 1 d .
Si11 Si 0.3263(3) 1.1138(3) 0.12844(10) 0.0260(7) Uani 1 1 d .
C1 C 0.3664(12) 0.4191(11) 0.3693(4) 0.041(3) Uani 1 1 d .
H1A H 0.4441 0.4714 0.3464 0.061 Uiso 1 1 calc R
H1B H 0.2621 0.3407 0.3500 0.061 Uiso 1 1 calc R
H1C H 0.4116 0.3674 0.3910 0.061 Uiso 1 1 calc R
C2 C 0.2116(13) 0.4629(12) 0.4580(4) 0.046(3) Uani 1 1 d .
H2A H 0.2753 0.4233 0.4779 0.069 Uiso 1 1 calc R
H2B H 0.1072 0.3750 0.4422 0.069 Uiso 1 1 calc R
H2C H 0.1900 0.5359 0.4799 0.069 Uiso 1 1 calc R
C3 C 0.5324(12) 0.7252(11) 0.4407(3) 0.041(3) Uani 1 1 d .
H3A H 0.5907 0.6784 0.4595 0.062 Uiso 1 1 calc R
H3B H 0.5140 0.7980 0.4638 0.062 Uiso 1 1 calc R
H3C H 0.5983 0.7822 0.4159 0.062 Uiso 1 1 calc R
C4 C 0.2324(11) 0.5144(10) 0.2505(3) 0.028(2) Uani 1 1 d .
H4A H 0.2758 0.5251 0.2186 0.041 Uiso 1 1 calc R
H4B H 0.1122 0.4583 0.2443 0.041 Uiso 1 1 calc R
H4C H 0.2738 0.4555 0.2702 0.041 Uiso 1 1 calc R
C5 C 0.5275(10) 0.8085(10) 0.3046(3) 0.031(2) Uani 1 1 d .
H5A H 0.5581 0.7342 0.3194 0.046 Uiso 1 1 calc R
H5B H 0.5616 0.9019 0.3292 0.046 Uiso 1 1 calc R
H5C H 0.5821 0.8388 0.2751 0.046 Uiso 1 1 calc R
C6 C 0.0225(11) 0.8401(11) 0.2354(3) 0.029(2) Uani 1 1 d .
H6A H -0.0058 0.8379 0.2694 0.044 Uiso 1 1 calc R
H6B H -0.0487 0.7384 0.2151 0.044 Uiso 1 1 calc R
H6C H 0.0072 0.9227 0.2205 0.044 Uiso 1 1 calc R
C7 C 0.3720(11) 1.0865(10) 0.2721(3) 0.027(2) Uani 1 1 d .
H7A H 0.3535 1.1615 0.2535 0.041 Uiso 1 1 calc R
H7B H 0.4884 1.1119 0.2751 0.041 Uiso 1 1 calc R
H7C H 0.3406 1.0925 0.3055 0.041 Uiso 1 1 calc R
C8 C -0.0870(11) 0.7301(11) 0.0929(3) 0.033(2) Uani 1 1 d .
H8A H -0.1897 0.6381 0.0781 0.049 Uiso 1 1 calc R
H8B H -0.0581 0.8103 0.0706 0.049 Uiso 1 1 calc R
H8C H -0.1011 0.7723 0.1253 0.049 Uiso 1 1 calc R
C9 C 0.0000(11) 0.4932(10) 0.1353(3) 0.032(2) Uani 1 1 d .
H9A H -0.0219 0.5217 0.1684 0.047 Uiso 1 1 calc R
H9B H 0.0807 0.4533 0.1391 0.047 Uiso 1 1 calc R
H9C H -0.1022 0.4118 0.1157 0.047 Uiso 1 1 calc R
C10 C 0.2509(11) 0.7409(10) -0.0128(3) 0.030(2) Uani 1 1 d .
H10A H 0.3478 0.8223 0.0090 0.045 Uiso 1 1 calc R
H10B H 0.1833 0.7871 -0.0265 0.045 Uiso 1 1 calc R
H10C H 0.2859 0.6957 -0.0403 0.045 Uiso 1 1 calc R
C11 C 0.2416(12) 0.4640(11) 0.0373(4) 0.039(3) Uani 1 1 d .
H11A H 0.2640 0.4257 0.0056 0.059 Uiso 1 1 calc R
H11B H 0.1746 0.3746 0.0538 0.059 Uiso 1 1 calc R
H11C H 0.3455 0.5308 0.0590 0.059 Uiso 1 1 calc R
C12 C -0.1007(12) 0.2739(10) 0.3326(4) 0.039(3) Uani 1 1 d .
H12A H -0.0374 0.2562 0.3601 0.058 Uiso 1 1 calc R
H12B H -0.0551 0.2681 0.3016 0.058 Uiso 1 1 calc R
H12C H -0.2156 0.1936 0.3286 0.058 Uiso 1 1 calc R
C13 C -0.2157(12) 0.5002(12) 0.2937(4) 0.043(3) Uani 1 1 d .
H13A H -0.3314 0.4242 0.2923 0.065 Uiso 1 1 calc R
H13B H -0.1776 0.4840 0.2621 0.065 Uiso 1 1 calc R
H13C H -0.2041 0.6068 0.2991 0.065 Uiso 1 1 calc R
C14 C -0.1877(12) 0.4720(12) 0.4037(4) 0.043(3) Uani 1 1 d .
H14A H -0.1944 0.5704 0.4102 0.065 Uiso 1 1 calc R
H14B H -0.1222 0.4617 0.4324 0.065 Uiso 1 1 calc R
H14C H -0.2984 0.3835 0.3986 0.065 Uiso 1 1 calc R
C15 C 0.0591(13) 0.9599(12) 0.3857(4) 0.047(3) Uani 1 1 d .
H15A H -0.0519 0.8719 0.3796 0.070 Uiso 1 1 calc R
H15B H 0.0891 1.0007 0.3542 0.070 Uiso 1 1 calc R
H15C H 0.0623 1.0431 0.4099 0.070 Uiso 1 1 calc R
C16 C 0.1665(12) 0.8475(11) 0.4755(3) 0.036(3) Uani 1 1 d .
H16A H 0.1655 0.9376 0.4949 0.054 Uiso 1 1 calc R
H16B H 0.2527 0.8267 0.4917 0.054 Uiso 1 1 calc R
H16C H 0.0597 0.7552 0.4737 0.054 Uiso 1 1 calc R
C17 C 0.4205(11) 1.0559(10) 0.4169(3) 0.033(2) Uani 1 1 d .
H17A H 0.4513 1.0749 0.3835 0.049 Uiso 1 1 calc R
H17B H 0.4970 1.0279 0.4357 0.049 Uiso 1 1 calc R
H17C H 0.4248 1.1510 0.4345 0.049 Uiso 1 1 calc R
C18 C 0.5579(11) 0.6950(10) 0.1653(3) 0.029(2) Uani 1 1 d .
H18A H 0.4742 0.6085 0.1412 0.044 Uiso 1 1 calc R
H18B H 0.5319 0.6775 0.1992 0.044 Uiso 1 1 calc R
H18C H 0.6657 0.7002 0.1626 0.044 Uiso 1 1 calc R
C19 C 0.7211(10) 1.0471(11) 0.1984(4) 0.034(2) Uani 1 1 d .
H19A H 0.8254 1.0423 0.1992 0.051 Uiso 1 1 calc R
H19B H 0.6862 1.0365 0.2316 0.051 Uiso 1 1 calc R
H19C H 0.7354 1.1479 0.1890 0.051 Uiso 1 1 calc R
C20 C 0.6268(11) 0.9186(11) 0.0891(3) 0.034(3) Uani 1 1 d .
H20A H 0.6245 1.0142 0.0802 0.050 Uiso 1 1 calc R
H20B H 0.5516 0.8291 0.0643 0.050 Uiso 1 1 calc R
H20C H 0.7385 0.9307 0.0898 0.050 Uiso 1 1 calc R
C21 C 0.3024(12) 1.0964(11) 0.0582(3) 0.033(2) Uani 1 1 d .
H21A H 0.1961 1.0079 0.0441 0.049 Uiso 1 1 calc R
H21B H 0.3909 1.0787 0.0462 0.049 Uiso 1 1 calc R
H21C H 0.3078 1.1933 0.0479 0.049 Uiso 1 1 calc R
C22 C 0.1657(11) 1.1628(11) 0.1492(3) 0.035(3) Uani 1 1 d .
H22A H 0.1813 1.1828 0.1858 0.052 Uiso 1 1 calc R
H22B H 0.0570 1.0749 0.1371 0.052 Uiso 1 1 calc R
H22C H 0.1741 1.2567 0.1355 0.052 Uiso 1 1 calc R
C23 C 0.5301(12) 1.2810(10) 0.1526(4) 0.040(3) Uani 1 1 d .
H23A H 0.5318 1.3784 0.1440 0.060 Uiso 1 1 calc R
H23B H 0.6153 1.2650 0.1374 0.060 Uiso 1 1 calc R
H23C H 0.5511 1.2879 0.1890 0.060 Uiso 1 1 calc R
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Si Si 0.0817 0.0704 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_site_symmetry_3
C3 Si1 C1 109.1(5) .
C3 Si1 C2 107.3(5) .
C1 Si1 C2 106.0(5) .
C3 Si1 Si2 111.9(3) .
C1 Si1 Si2 111.7(3) .
C2 Si1 Si2 110.6(3) .
Si8 Si2 Si3 112.33(14) .
Si8 Si2 Si9 110.27(14) .
Si3 Si2 Si9 116.08(13) .
Si8 Si2 Si1 105.55(13) .
Si3 Si2 Si1 105.54(13) .
Si9 Si2 Si1 106.21(13) .
C5 Si3 C4 108.6(4) .
C5 Si3 Si2 106.4(3) .
C4 Si3 Si2 105.3(3) .
C5 Si3 Si4 107.1(3) .
C4 Si3 Si4 112.5(3) .
Si2 Si3 Si4 116.55(13) .
C6 Si4 C7 106.5(4) .
C6 Si4 Si3 111.2(3) .
C7 Si4 Si3 105.7(3) .
C6 Si4 Si5 108.6(3) .
C7 Si4 Si5 108.2(3) .
Si3 Si4 Si5 116.23(13) .
Si10 Si5 Si6 115.71(13) .
Si10 Si5 Si11 106.86(13) .
Si6 Si5 Si11 106.87(13) .
Si10 Si5 Si4 111.26(13) .
Si6 Si5 Si4 109.22(13) .
Si11 Si5 Si4 106.40(12) .
C9 Si6 C8 106.1(4) .
C9 Si6 Si7 104.8(3) .
C8 Si6 Si7 109.8(3) .
C9 Si6 Si5 109.4(3) .
C8 Si6 Si5 107.3(3) .
Si7 Si6 Si5 118.86(13) .
C10 Si7 C11 108.2(4) .
C10 Si7 Si6 115.1(3) .
C11 Si7 Si6 106.9(3) .
C10 Si7 Si7 107.8(3) 2_565
C11 Si7 Si7 109.5(3) 2_565
Si6 Si7 Si7 109.30(16) 2_565
C14 Si8 C12 107.3(4) .
C14 Si8 C13 107.5(5) .
C12 Si8 C13 108.1(5) .
C14 Si8 Si2 110.2(3) .
C12 Si8 Si2 111.0(3) .
C13 Si8 Si2 112.5(3) .
C15 Si9 C16 107.5(4) .
C15 Si9 C17 109.0(5) .
C16 Si9 C17 107.0(4) .
C15 Si9 Si2 112.2(3) .
C16 Si9 Si2 110.5(3) .
C17 Si9 Si2 110.6(3) .
C20 Si10 C19 107.6(4) .
C20 Si10 C18 107.5(4) .
C19 Si10 C18 108.7(4) .
C20 Si10 Si5 111.0(3) .
C19 Si10 Si5 110.2(3) .
C18 Si10 Si5 111.7(3) .
C23 Si11 C22 108.4(4) .
C23 Si11 C21 107.2(4) .
C22 Si11 C21 107.3(4) .
C23 Si11 Si5 111.1(3) .
C22 Si11 Si5 112.3(3) .
C21 Si11 Si5 110.3(3) .
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
Si1 C3 1.862(10) .
Si1 C1 1.870(9) .
Si1 C2 1.880(10) .
Si1 Si2 2.358(4) .
Si2 Si8 2.342(4) .
Si2 Si3 2.351(3) .
Si2 Si9 2.355(4) .
Si3 C5 1.866(9) .
Si3 C4 1.878(8) .
Si3 Si4 2.364(3) .
Si4 C6 1.882(9) .
Si4 C7 1.894(9) .
Si4 Si5 2.368(3) .
Si5 Si10 2.344(3) .
Si5 Si6 2.355(4) .
Si5 Si11 2.363(3) .
Si6 C9 1.880(9) .
Si6 C8 1.894(9) .
Si6 Si7 2.344(3) .
Si7 C10 1.892(8) .
Si7 C11 1.894(9) .
Si7 Si7 2.346(5) 2_565
Si8 C14 1.856(9) .
Si8 C12 1.873(9) .
Si8 C13 1.883(10) .
Si9 C15 1.867(10) .
Si9 C16 1.867(9) .
Si9 C17 1.869(9) .
Si10 C20 1.859(8) .
Si10 C19 1.863(9) .
Si10 C18 1.876(8) .
Si11 C23 1.853(10) .
Si11 C22 1.858(8) .
Si11 C21 1.880(9) .
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion
_geom_torsion_site_symmetry_4
C3 Si1 Si2 Si8 -161.2(4) .
C1 Si1 Si2 Si8 76.1(4) .
C2 Si1 Si2 Si8 -41.7(4) .
C3 Si1 Si2 Si3 79.6(4) .
C1 Si1 Si2 Si3 -43.0(4) .
C2 Si1 Si2 Si3 -160.8(4) .
C3 Si1 Si2 Si9 -44.1(4) .
C1 Si1 Si2 Si9 -166.8(4) .
C2 Si1 Si2 Si9 75.4(4) .
Si8 Si2 Si3 C5 -158.3(3) .
Si9 Si2 Si3 C5 73.5(3) .
Si1 Si2 Si3 C5 -43.8(3) .
Si8 Si2 Si3 C4 -43.1(3) .
Si9 Si2 Si3 C4 -171.3(3) .
Si1 Si2 Si3 C4 71.4(3) .
Si8 Si2 Si3 Si4 82.36(18) .
Si9 Si2 Si3 Si4 -45.8(2) .
Si1 Si2 Si3 Si4 -163.12(14) .
C5 Si3 Si4 C6 -160.0(4) .
C4 Si3 Si4 C6 80.8(4) .
Si2 Si3 Si4 C6 -41.0(4) .
C5 Si3 Si4 C7 -44.9(4) .
C4 Si3 Si4 C7 -164.1(4) .
Si2 Si3 Si4 C7 74.1(3) .
C5 Si3 Si4 Si5 75.1(3) .
C4 Si3 Si4 Si5 -44.2(4) .
Si2 Si3 Si4 Si5 -165.95(13) .
C6 Si4 Si5 Si10 -170.1(3) .
C7 Si4 Si5 Si10 74.8(3) .
Si3 Si4 Si5 Si10 -43.83(18) .
C6 Si4 Si5 Si6 -41.1(3) .
C7 Si4 Si5 Si6 -156.3(3) .
Si3 Si4 Si5 Si6 85.11(16) .
C6 Si4 Si5 Si11 73.9(3) .
C7 Si4 Si5 Si11 -41.3(3) .
Si3 Si4 Si5 Si11 -159.87(13) .
Si10 Si5 Si6 C9 85.5(3) .
Si11 Si5 Si6 C9 -155.7(3) .
Si4 Si5 Si6 C9 -40.9(3) .
Si10 Si5 Si6 C8 -159.9(3) .
Si11 Si5 Si6 C8 -41.0(3) .
Si4 Si5 Si6 C8 73.7(3) .
Si10 Si5 Si6 Si7 -34.67(19) .
Si11 Si5 Si6 Si7 84.17(16) .
Si4 Si5 Si6 Si7 -161.11(13) .
C9 Si6 Si7 C10 -168.0(4) .
C8 Si6 Si7 C10 78.4(5) .
Si5 Si6 Si7 C10 -45.5(4) .
C9 Si6 Si7 C11 -47.9(5) .
C8 Si6 Si7 C11 -161.4(5) .
Si5 Si6 Si7 C11 74.6(4) .
C9 Si6 Si7 Si7 70.5(3) 2_565
C8 Si6 Si7 Si7 -43.0(4) 2_565
Si5 Si6 Si7 Si7 -166.99(15) 2_565
Si3 Si2 Si8 C14 -167.7(4) .
Si9 Si2 Si8 C14 -36.5(4) .
Si1 Si2 Si8 C14 77.8(4) .
Si3 Si2 Si8 C12 73.6(4) .
Si9 Si2 Si8 C12 -155.2(4) .
Si1 Si2 Si8 C12 -40.9(4) .
Si3 Si2 Si8 C13 -47.7(4) .
Si9 Si2 Si8 C13 83.5(4) .
Si1 Si2 Si8 C13 -162.2(4) .
Si8 Si2 Si9 C15 -52.5(4) .
Si3 Si2 Si9 C15 76.6(4) .
Si1 Si2 Si9 C15 -166.4(4) .
Si8 Si2 Si9 C16 67.4(4) .
Si3 Si2 Si9 C16 -163.4(3) .
Si1 Si2 Si9 C16 -46.5(4) .
Si8 Si2 Si9 C17 -174.4(3) .
Si3 Si2 Si9 C17 -45.2(4) .
Si1 Si2 Si9 C17 71.7(3) .
Si6 Si5 Si10 C20 64.8(4) .
Si11 Si5 Si10 C20 -54.1(4) .
Si4 Si5 Si10 C20 -169.8(3) .
Si6 Si5 Si10 C19 -176.2(3) .
Si11 Si5 Si10 C19 65.0(3) .
Si4 Si5 Si10 C19 -50.8(3) .
Si6 Si5 Si10 C18 -55.2(4) .
Si11 Si5 Si10 C18 -174.0(3) .
Si4 Si5 Si10 C18 70.2(4) .
Si10 Si5 Si11 C23 -38.0(4) .
Si6 Si5 Si11 C23 -162.5(3) .
Si4 Si5 Si11 C23 80.9(3) .
Si10 Si5 Si11 C22 -159.7(3) .
Si6 Si5 Si11 C22 75.9(4) .
Si4 Si5 Si11 C22 -40.7(4) .
Si10 Si5 Si11 C21 80.6(3) .
Si6 Si5 Si11 C21 -43.8(3) .
Si4 Si5 Si11 C21 -160.4(3) .
