#------------------------------------------------------------------------------
#$Date: 2016-03-21 07:30:25 +0200 (Mon, 21 Mar 2016) $
#$Revision: 178568 $
#$URL: svn://www.crystallography.net/cod/cif/4/06/77/4067736.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_4067736
loop_
_publ_author_name
'Wallner, Andreas'
'Hlina, Johann'
'Konopa, Tina'
'Wagner, Harald'
'Baumgartner, Judith'
'Marschner, Christoph'
'Flörke, Ulrich'
_publ_section_title
;
 Cyclic and Bicyclic Methylpolysilanes and Some Oligosilanylene-Bridged
 Derivatives
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              2660
_journal_paper_doi               10.1021/om901104h
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C42 H126 Si22'
_chemical_formula_weight         1249.41
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 93.36(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.4839(19)
_cell_length_b                   24.749(5)
_cell_length_c                   16.970(3)
_cell_measurement_reflns_used    646
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      34.961
_cell_measurement_theta_min      4.601
_cell_volume                     3976.3(13)
_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       '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  0.2401
_diffrn_reflns_av_sigmaI/netI    0.2730
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            28357
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.46
_exptl_absorpt_coefficient_mu    0.371
_exptl_absorpt_correction_T_max  0.9228
_exptl_absorpt_correction_T_min  0.8419
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.044
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             1372
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.447
_refine_diff_density_min         -0.407
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.848
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     310
_refine_ls_number_reflns         6993
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.848
_refine_ls_R_factor_all          0.1998
_refine_ls_R_factor_gt           0.0687
_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/[σ²(Fo²)+(0.0434P)²+0.0000P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1113
_refine_ls_wR_factor_ref         0.1427
_reflns_number_gt                2752
_reflns_number_total             6993
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om901104h_si_002.cif
_cod_data_source_block           14_322j
_cod_original_cell_volume        3976.2(14)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4067736
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, y+1/2, -z+1/2'
'-x, -y, -z'
'x-1/2, -y-1/2, z-1/2'
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 0.4281(2) -0.01538(8) 0.44625(11) 0.0378(5) Uani 1 1 d .
Si2 Si 0.28916(19) 0.05675(8) 0.39209(10) 0.0330(5) Uani 1 1 d .
Si3 Si 0.24076(17) 0.05651(7) 0.25339(10) 0.0282(5) Uani 1 1 d .
Si4 Si 0.45642(18) 0.06095(7) 0.19044(10) 0.0304(5) Uani 1 1 d .
Si5 Si 0.43559(18) 0.10632(7) 0.06905(10) 0.0293(5) Uani 1 1 d .
Si6 Si 0.36727(18) 0.19741(7) 0.07383(10) 0.0283(5) Uani 1 1 d .
Si7 Si 0.22568(18) 0.21161(7) 0.18182(10) 0.0315(5) Uani 1 1 d .
Si8 Si 0.10172(18) 0.13374(7) 0.21780(10) 0.0301(5) Uani 1 1 d .
Si9 Si 0.1087(2) -0.02127(8) 0.21638(11) 0.0411(6) Uani 1 1 d .
Si10 Si 0.2496(2) 0.21667(8) -0.04922(11) 0.0392(5) Uani 1 1 d .
Si11 Si 0.56572(19) 0.25403(8) 0.08790(11) 0.0365(5) Uani 1 1 d .
C1 C 0.5436(6) -0.0505(3) 0.3751(4) 0.049(2) Uani 1 1 d .
H1A H 0.5938 -0.0805 0.4021 0.073 Uiso 1 1 calc R
H1B H 0.6123 -0.0247 0.3560 0.073 Uiso 1 1 calc R
H1C H 0.4847 -0.0645 0.3303 0.073 Uiso 1 1 calc R
C2 C 0.2988(6) -0.0671(2) 0.4831(4) 0.053(2) Uani 1 1 d .
H2A H 0.2309 -0.0772 0.4399 0.080 Uiso 1 1 calc R
H2B H 0.2483 -0.0515 0.5264 0.080 Uiso 1 1 calc R
H2C H 0.3507 -0.0993 0.5020 0.080 Uiso 1 1 calc R
C3 C 0.1202(6) 0.0528(3) 0.4458(4) 0.048(2) Uani 1 1 d .
H3A H 0.1428 0.0531 0.5028 0.071 Uiso 1 1 calc R
H3B H 0.0701 0.0193 0.4311 0.071 Uiso 1 1 calc R
H3C H 0.0602 0.0839 0.4312 0.071 Uiso 1 1 calc R
C4 C 0.3690(6) 0.1239(2) 0.4198(3) 0.0369(18) Uani 1 1 d .
H4A H 0.3077 0.1528 0.3984 0.055 Uiso 1 1 calc R
H4B H 0.4622 0.1269 0.3981 0.055 Uiso 1 1 calc R
H4C H 0.3789 0.1270 0.4774 0.055 Uiso 1 1 calc R
C5 C 0.5985(6) 0.0933(2) 0.2567(3) 0.0327(17) Uani 1 1 d .
H5A H 0.6142 0.0717 0.3048 0.049 Uiso 1 1 calc R
H5B H 0.5690 0.1298 0.2707 0.049 Uiso 1 1 calc R
H5C H 0.6862 0.0952 0.2290 0.049 Uiso 1 1 calc R
C6 C 0.5230(6) -0.0087(2) 0.1644(3) 0.0380(18) Uani 1 1 d .
H6A H 0.6155 -0.0055 0.1420 0.057 Uiso 1 1 calc R
H6B H 0.4561 -0.0257 0.1257 0.057 Uiso 1 1 calc R
H6C H 0.5318 -0.0311 0.2122 0.057 Uiso 1 1 calc R
C7 C 0.3012(6) 0.0671(2) 0.0054(3) 0.0339(17) Uani 1 1 d .
H7A H 0.2964 0.0819 -0.0483 0.051 Uiso 1 1 calc R
H7B H 0.2084 0.0701 0.0275 0.051 Uiso 1 1 calc R
H7C H 0.3293 0.0291 0.0039 0.051 Uiso 1 1 calc R
C8 C 0.6105(6) 0.1005(2) 0.0228(3) 0.0339(17) Uani 1 1 d .
H8A H 0.6368 0.0623 0.0192 0.051 Uiso 1 1 calc R
H8B H 0.6829 0.1198 0.0552 0.051 Uiso 1 1 calc R
H8C H 0.6029 0.1163 -0.0303 0.051 Uiso 1 1 calc R
C9 C 0.0928(6) 0.2666(2) 0.1562(3) 0.0389(18) Uani 1 1 d .
H9A H 0.0385 0.2744 0.2022 0.058 Uiso 1 1 calc R
H9B H 0.0286 0.2547 0.1123 0.058 Uiso 1 1 calc R
H9C H 0.1423 0.2994 0.1408 0.058 Uiso 1 1 calc R
C10 C 0.3359(6) 0.2373(2) 0.2688(3) 0.0348(17) Uani 1 1 d .
H10A H 0.3790 0.2718 0.2553 0.052 Uiso 1 1 calc R
H10B H 0.4103 0.2110 0.2833 0.052 Uiso 1 1 calc R
H10C H 0.2763 0.2425 0.3135 0.052 Uiso 1 1 calc R
C11 C -0.0269(6) 0.1170(2) 0.1317(3) 0.0357(18) Uani 1 1 d .
H11A H -0.0941 0.0897 0.1480 0.054 Uiso 1 1 calc R
H11B H 0.0251 0.1029 0.0879 0.054 Uiso 1 1 calc R
H11C H -0.0782 0.1497 0.1146 0.054 Uiso 1 1 calc R
C12 C -0.0088(6) 0.1542(2) 0.3016(3) 0.0358(18) Uani 1 1 d .
H12A H -0.0728 0.1835 0.2842 0.054 Uiso 1 1 calc R
H12B H 0.0531 0.1666 0.3462 0.054 Uiso 1 1 calc R
H12C H -0.0640 0.1231 0.3180 0.054 Uiso 1 1 calc R
C13 C -0.0612(6) -0.0202(3) 0.2656(4) 0.058(2) Uani 1 1 d .
H13A H -0.1221 -0.0494 0.2444 0.087 Uiso 1 1 calc R
H13B H -0.1082 0.0146 0.2558 0.087 Uiso 1 1 calc R
H13C H -0.0429 -0.0253 0.3226 0.087 Uiso 1 1 calc R
C14 C 0.2056(7) -0.0851(2) 0.2458(4) 0.054(2) Uani 1 1 d .
H14A H 0.2238 -0.0858 0.3032 0.081 Uiso 1 1 calc R
H14B H 0.2956 -0.0863 0.2202 0.081 Uiso 1 1 calc R
H14C H 0.1481 -0.1164 0.2292 0.081 Uiso 1 1 calc R
C15 C 0.0674(7) -0.0267(3) 0.1073(3) 0.051(2) Uani 1 1 d .
H15A H 0.1556 -0.0298 0.0803 0.077 Uiso 1 1 calc R
H15B H 0.0161 0.0056 0.0886 0.077 Uiso 1 1 calc R
H15C H 0.0090 -0.0588 0.0961 0.077 Uiso 1 1 calc R
C16 C 0.0700(6) 0.1853(3) -0.0606(4) 0.052(2) Uani 1 1 d .
H16A H 0.0137 0.1969 -0.0170 0.078 Uiso 1 1 calc R
H16B H 0.0790 0.1459 -0.0599 0.078 Uiso 1 1 calc R
H16C H 0.0231 0.1968 -0.1109 0.078 Uiso 1 1 calc R
C17 C 0.3583(7) 0.1910(3) -0.1312(3) 0.054(2) Uani 1 1 d .
H17A H 0.3680 0.1517 -0.1270 0.081 Uiso 1 1 calc R
H17B H 0.4521 0.2078 -0.1267 0.081 Uiso 1 1 calc R
H17C H 0.3112 0.2003 -0.1823 0.081 Uiso 1 1 calc R
C18 C 0.2237(6) 0.2910(2) -0.0619(4) 0.0457(19) Uani 1 1 d .
H18A H 0.1757 0.2982 -0.1135 0.069 Uiso 1 1 calc R
H18B H 0.3158 0.3091 -0.0587 0.069 Uiso 1 1 calc R
H18C H 0.1662 0.3048 -0.0202 0.069 Uiso 1 1 calc R
C19 C 0.6735(6) 0.2503(3) -0.0011(4) 0.050(2) Uani 1 1 d .
H19A H 0.6211 0.2670 -0.0463 0.074 Uiso 1 1 calc R
H19B H 0.6931 0.2124 -0.0131 0.074 Uiso 1 1 calc R
H19C H 0.7628 0.2696 0.0096 0.074 Uiso 1 1 calc R
C20 C 0.5144(6) 0.3261(2) 0.1019(4) 0.052(2) Uani 1 1 d .
H20A H 0.5990 0.3476 0.1157 0.077 Uiso 1 1 calc R
H20B H 0.4492 0.3285 0.1445 0.077 Uiso 1 1 calc R
H20C H 0.4680 0.3399 0.0529 0.077 Uiso 1 1 calc R
C21 C 0.6834(6) 0.2335(2) 0.1752(3) 0.0427(19) Uani 1 1 d .
H21A H 0.7702 0.2550 0.1766 0.064 Uiso 1 1 calc R
H21B H 0.7069 0.1951 0.1710 0.064 Uiso 1 1 calc R
H21C H 0.6345 0.2397 0.2237 0.064 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_1
_geom_angle_site_symmetry_3
C1 Si1 C2 108.0(3) . .
C1 Si1 Si1 108.4(2) . 3_656
C2 Si1 Si1 108.6(2) . 3_656
C1 Si1 Si2 115.4(2) . .
C2 Si1 Si2 106.2(2) . .
Si1 Si1 Si2 110.02(13) 3_656 .
C4 Si2 C3 105.5(3) . .
C4 Si2 Si3 107.66(19) . .
C3 Si2 Si3 111.0(2) . .
C4 Si2 Si1 111.2(2) . .
C3 Si2 Si1 104.0(2) . .
Si3 Si2 Si1 116.96(10) . .
Si9 Si3 Si4 112.15(10) . .
Si9 Si3 Si2 109.56(10) . .
Si4 Si3 Si2 109.02(9) . .
Si9 Si3 Si8 108.06(9) . .
Si4 Si3 Si8 109.21(9) . .
Si2 Si3 Si8 108.78(10) . .
C5 Si4 C6 106.8(3) . .
C5 Si4 Si5 110.0(2) . .
C6 Si4 Si5 104.06(19) . .
C5 Si4 Si3 110.96(19) . .
C6 Si4 Si3 111.8(2) . .
Si5 Si4 Si3 112.87(9) . .
C8 Si5 C7 107.6(3) . .
C8 Si5 Si4 107.4(2) . .
C7 Si5 Si4 106.02(19) . .
C8 Si5 Si6 109.9(2) . .
C7 Si5 Si6 109.5(2) . .
Si4 Si5 Si6 116.02(9) . .
Si11 Si6 Si5 110.82(9) . .
Si11 Si6 Si10 107.72(10) . .
Si5 Si6 Si10 106.30(9) . .
Si11 Si6 Si7 108.74(9) . .
Si5 Si6 Si7 109.90(9) . .
Si10 Si6 Si7 113.33(9) . .
C10 Si7 C9 105.7(3) . .
C10 Si7 Si8 109.7(2) . .
C9 Si7 Si8 108.2(2) . .
C10 Si7 Si6 110.3(2) . .
C9 Si7 Si6 109.3(2) . .
Si8 Si7 Si6 113.23(9) . .
C12 Si8 C11 106.2(3) . .
C12 Si8 Si7 106.5(2) . .
C11 Si8 Si7 106.7(2) . .
C12 Si8 Si3 110.41(19) . .
C11 Si8 Si3 110.0(2) . .
Si7 Si8 Si3 116.44(9) . .
C13 Si9 C15 108.0(3) . .
C13 Si9 C14 108.4(3) . .
C15 Si9 C14 105.8(3) . .
C13 Si9 Si3 109.2(2) . .
C15 Si9 Si3 113.5(2) . .
C14 Si9 Si3 111.8(2) . .
C18 Si10 C16 106.5(3) . .
C18 Si10 C17 108.6(3) . .
C16 Si10 C17 108.5(3) . .
C18 Si10 Si6 110.7(2) . .
C16 Si10 Si6 112.8(2) . .
C17 Si10 Si6 109.5(2) . .
C20 Si11 C21 107.8(3) . .
C20 Si11 C19 107.9(3) . .
C21 Si11 C19 107.2(3) . .
C20 Si11 Si6 111.7(2) . .
C21 Si11 Si6 110.8(2) . .
C19 Si11 Si6 111.1(2) . .
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
Si1 C1 1.889(6) .
Si1 C2 1.904(6) .
Si1 Si1 2.340(4) 3_656
Si1 Si2 2.372(3) .
Si2 C4 1.874(6) .
Si2 C3 1.891(6) .
Si2 Si3 2.372(2) .
Si3 Si9 2.361(3) .
Si3 Si4 2.365(2) .
Si3 Si8 2.380(2) .
Si4 C5 1.882(5) .
Si4 C6 1.898(6) .
Si4 Si5 2.344(2) .
Si5 C8 1.882(5) .
Si5 C7 1.889(6) .
Si5 Si6 2.348(2) .
Si6 Si11 2.347(3) .
Si6 Si10 2.358(3) .
Si6 Si7 2.361(3) .
Si7 C10 1.870(6) .
Si7 C9 1.889(5) .
Si7 Si8 2.357(3) .
Si8 C12 1.884(5) .
Si8 C11 1.894(6) .
Si9 C13 1.858(6) .
Si9 C15 1.874(6) .
Si9 C14 1.881(6) .
Si10 C18 1.867(6) .
Si10 C16 1.871(6) .
Si10 C17 1.889(6) .
Si11 C20 1.867(6) .
Si11 C21 1.871(6) .
Si11 C19 1.875(6) .
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_1
C1 Si1 Si2 C4 -101.8(3) .
C2 Si1 Si2 C4 138.6(3) .
Si1 Si1 Si2 C4 21.2(2) 3_656
C1 Si1 Si2 C3 145.2(3) .
C2 Si1 Si2 C3 25.5(3) .
Si1 Si1 Si2 C3 -91.9(2) 3_656
C1 Si1 Si2 Si3 22.5(3) .
C2 Si1 Si2 Si3 -97.2(2) .
Si1 Si1 Si2 Si3 145.42(12) 3_656
C4 Si2 Si3 Si9 -171.5(2) .
C3 Si2 Si3 Si9 -56.6(2) .
Si1 Si2 Si3 Si9 62.46(13) .
C4 Si2 Si3 Si4 65.5(2) .
C3 Si2 Si3 Si4 -179.6(2) .
Si1 Si2 Si3 Si4 -60.61(13) .
C4 Si2 Si3 Si8 -53.6(2) .
C3 Si2 Si3 Si8 61.4(2) .
Si1 Si2 Si3 Si8 -179.62(10) .
Si9 Si3 Si4 C5 -146.4(2) .
Si2 Si3 Si4 C5 -24.9(2) .
Si8 Si3 Si4 C5 93.8(2) .
Si9 Si3 Si4 C6 -27.3(2) .
Si2 Si3 Si4 C6 94.2(2) .
Si8 Si3 Si4 C6 -147.0(2) .
Si9 Si3 Si4 Si5 89.61(12) .
Si2 Si3 Si4 Si5 -148.87(10) .
Si8 Si3 Si4 Si5 -30.14(13) .
C5 Si4 Si5 C8 60.8(3) .
C6 Si4 Si5 C8 -53.3(3) .
Si3 Si4 Si5 C8 -174.7(2) .
C5 Si4 Si5 C7 175.7(3) .
C6 Si4 Si5 C7 61.6(3) .
Si3 Si4 Si5 C7 -59.8(2) .
C5 Si4 Si5 Si6 -62.5(2) .
C6 Si4 Si5 Si6 -176.6(2) .
Si3 Si4 Si5 Si6 61.97(13) .
C8 Si5 Si6 Si11 -31.0(2) .
C7 Si5 Si6 Si11 -149.1(2) .
Si4 Si5 Si6 Si11 91.02(12) .
C8 Si5 Si6 Si10 85.8(2) .
C7 Si5 Si6 Si10 -32.3(2) .
Si4 Si5 Si6 Si10 -152.21(10) .
C8 Si5 Si6 Si7 -151.2(2) .
C7 Si5 Si6 Si7 90.7(2) .
Si4 Si5 Si6 Si7 -29.20(13) .
Si11 Si6 Si7 C10 -25.4(2) .
Si5 Si6 Si7 C10 96.1(2) .
Si10 Si6 Si7 C10 -145.2(2) .
Si11 Si6 Si7 C9 90.4(2) .
Si5 Si6 Si7 C9 -148.1(2) .
Si10 Si6 Si7 C9 -29.3(2) .
Si11 Si6 Si7 Si8 -148.80(10) .
Si5 Si6 Si7 Si8 -27.33(13) .
Si10 Si6 Si7 Si8 91.44(12) .
C10 Si7 Si8 C12 58.4(3) .
C9 Si7 Si8 C12 -56.6(3) .
Si6 Si7 Si8 C12 -177.93(19) .
C10 Si7 Si8 C11 171.5(3) .
C9 Si7 Si8 C11 56.6(3) .
Si6 Si7 Si8 C11 -64.8(2) .
C10 Si7 Si8 Si3 -65.2(2) .
C9 Si7 Si8 Si3 179.9(2) .
Si6 Si7 Si8 Si3 58.48(13) .
Si9 Si3 Si8 C12 90.1(2) .
Si4 Si3 Si8 C12 -147.6(2) .
Si2 Si3 Si8 C12 -28.7(2) .
Si9 Si3 Si8 C11 -26.8(2) .
Si4 Si3 Si8 C11 95.4(2) .
Si2 Si3 Si8 C11 -145.7(2) .
Si9 Si3 Si8 Si7 -148.34(10) .
Si4 Si3 Si8 Si7 -26.09(13) .
Si2 Si3 Si8 Si7 92.79(11) .
Si4 Si3 Si9 C13 -178.0(2) .
Si2 Si3 Si9 C13 60.8(3) .
Si8 Si3 Si9 C13 -57.6(3) .
Si4 Si3 Si9 C15 -57.5(3) .
Si2 Si3 Si9 C15 -178.7(2) .
Si8 Si3 Si9 C15 62.9(3) .
Si4 Si3 Si9 C14 62.0(3) .
Si2 Si3 Si9 C14 -59.2(3) .
Si8 Si3 Si9 C14 -177.5(2) .
Si11 Si6 Si10 C18 -49.0(2) .
Si5 Si6 Si10 C18 -167.8(2) .
Si7 Si6 Si10 C18 71.4(2) .
Si11 Si6 Si10 C16 -168.2(2) .
Si5 Si6 Si10 C16 73.0(2) .
Si7 Si6 Si10 C16 -47.9(3) .
Si11 Si6 Si10 C17 70.8(2) .
Si5 Si6 Si10 C17 -48.0(2) .
Si7 Si6 Si10 C17 -168.8(2) .
Si5 Si6 Si11 C20 -174.3(2) .
Si10 Si6 Si11 C20 69.8(2) .
Si7 Si6 Si11 C20 -53.4(2) .
Si5 Si6 Si11 C21 -54.1(2) .
Si10 Si6 Si11 C21 -170.0(2) .
Si7 Si6 Si11 C21 66.8(2) .
Si5 Si6 Si11 C19 65.1(2) .
Si10 Si6 Si11 C19 -50.8(2) .
Si7 Si6 Si11 C19 -174.0(2) .
