#------------------------------------------------------------------------------
#$Date: 2024-01-06 10:04:15 +0200 (Sat, 06 Jan 2024) $
#$Revision: 288806 $
#$URL: file:///home/coder/svn-repositories/cod/cif/7/24/75/7247553.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_7247553
loop_
_publ_author_name
'Durka, Krzysztof'
'Zuba, Adam'
'Marek-Urban, Paulina H.'
'Nowicki, Krzysztof'
'Drapała, Jakub'
'Woźniak, Krzysztof'
'Luliński, Sergiusz'
_publ_section_title
;
 Exploring the effect of substitution patterns on the symmetry of
 hydrogen-bonded supramolecular motifs in functionalized
 benzosiloxaboroles
;
_journal_issue                   45
_journal_name_full               CrystEngComm
_journal_page_first              6329
_journal_page_last               6342
_journal_paper_doi               10.1039/D3CE00880K
_journal_volume                  25
_journal_year                    2023
_chemical_formula_moiety         'C8 H9 B Cl2 O2 Si'
_chemical_formula_sum            'C8 H9 B Cl2 O2 Si'
_chemical_formula_weight         246.95
_chemical_name_systematic
;
1,1-dimethyl-6,7-dichloro-2,1,3-benzoxasilaborol-3(1H)-ol
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2023-10-01 deposited with the CCDC.	2023-10-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.430(5)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.9170(4)
_cell_length_b                   9.3267(2)
_cell_length_c                   18.3757(8)
_cell_measurement_reflns_used    14540
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.7710
_cell_measurement_theta_min      1.9090
_cell_volume                     2213.09(13)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_environment      air
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 16.0026
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Single source at offset, Eos'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0478
_diffrn_reflns_av_unetI/netI     0.0373
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.961
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            41658
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.961
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.268
_diffrn_reflns_theta_min         1.950
_diffrn_source                   'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.663
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.72975
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.482
_exptl_crystal_description       block
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.353
_exptl_crystal_size_mid          0.311
_exptl_crystal_size_min          0.229
_refine_diff_density_max         0.520
_refine_diff_density_min         -0.320
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     265
_refine_ls_number_reflns         7534
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0379
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[σ²(Fo²)+(0.0365P)²+1.0475P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0855
_refine_ls_wR_factor_ref         0.0941
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5929
_reflns_number_total             7534
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            d3ce00880k2.cif
_cod_data_source_block           67-dCl
_cod_depositor_comments
'Adding full bibliography for 7247541--7247563.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7247553
_shelx_space_group_comment
;
The symmetry employed for this shelxl refinement is uniquely defined
by the following loop, which should always be used as a source of
symmetry information in preference to the above space-group names.
They are only intended as comments.
;
_shelxl_version_number           2013-4
loop_
_space_group_symop_operation_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_site_symmetry_order
_atom_site_calc_flag
_atom_site_refinement_flags_posn
_atom_site_refinement_flags_adp
_atom_site_refinement_flags_occupancy
_atom_site_disorder_assembly
_atom_site_disorder_group
C1 C 0.63013(11) 0.13987(17) 0.68439(8) 0.0187(3) Uani 1 1 d . . . . .
C2 C 0.59683(11) 0.21012(17) 0.62010(8) 0.0180(3) Uani 1 1 d . . . . .
C3 C 0.61202(12) 0.14580(17) 0.55276(8) 0.0190(3) Uani 1 1 d . . . . .
C4 C 0.65959(12) 0.01237(17) 0.54921(8) 0.0208(3) Uani 1 1 d . . . . .
C5 C 0.69292(12) -0.05763(17) 0.61269(9) 0.0221(3) Uani 1 1 d . . . . .
H5 H 0.7254 -0.1488 0.6099 0.027 Uiso 1 1 calc R U . . .
C6 C 0.67855(12) 0.00629(17) 0.67981(9) 0.0208(3) Uani 1 1 d . . . . .
H6 H 0.7018 -0.0410 0.7230 0.025 Uiso 1 1 calc R U . . .
C7 C 0.61184(14) 0.54372(18) 0.61905(9) 0.0259(3) Uani 1 1 d . . . . .
H7A H 0.5797 0.6307 0.6382 0.039 Uiso 1 1 calc R U . . .
H7B H 0.6125 0.5487 0.5658 0.039 Uiso 1 1 calc R U . . .
H7C H 0.6831 0.5360 0.6383 0.039 Uiso 1 1 calc R U . . .
C8 C 0.39678(12) 0.39936(19) 0.62394(9) 0.0245(3) Uani 1 1 d . . . . .
H8A H 0.3587 0.3261 0.6506 0.037 Uiso 1 1 calc R U . . .
H8B H 0.3857 0.3850 0.5715 0.037 Uiso 1 1 calc R U . . .
H8C H 0.3718 0.4947 0.6375 0.037 Uiso 1 1 calc R U . . .
C9 C 0.09997(11) 0.35699(16) 0.53155(8) 0.0173(3) Uani 1 1 d . . . . .
C10 C 0.08954(11) 0.37720(16) 0.60722(8) 0.0172(3) Uani 1 1 d . . . . .
C11 C 0.11709(11) 0.50707(16) 0.63902(8) 0.0178(3) Uani 1 1 d . . . . .
C12 C 0.15445(12) 0.61762(16) 0.59608(9) 0.0201(3) Uani 1 1 d . . . . .
C13 C 0.16531(12) 0.59783(18) 0.52141(9) 0.0216(3) Uani 1 1 d . . . . .
H13 H 0.1913 0.6735 0.4925 0.026 Uiso 1 1 calc R U . . .
C14 C 0.13836(12) 0.46811(17) 0.48918(8) 0.0201(3) Uani 1 1 d . . . . .
H14 H 0.1461 0.4550 0.4383 0.024 Uiso 1 1 calc R U . . .
C15 C -0.09178(13) 0.2264(2) 0.68743(9) 0.0270(3) Uani 1 1 d . . . . .
H15A H -0.1183 0.1308 0.6991 0.041 Uiso 1 1 calc R U . . .
H15B H -0.1392 0.2732 0.6524 0.041 Uiso 1 1 calc R U . . .
H15C H -0.0865 0.2840 0.7320 0.041 Uiso 1 1 calc R U . . .
C16 C 0.13139(14) 0.11667(18) 0.70773(9) 0.0255(3) Uani 1 1 d . . . . .
H16A H 0.1967 0.1045 0.6824 0.038 Uiso 1 1 calc R U . . .
H16B H 0.1040 0.0224 0.7209 0.038 Uiso 1 1 calc R U . . .
H16C H 0.1437 0.1736 0.7519 0.038 Uiso 1 1 calc R U . . .
B1 B 0.60309(13) 0.23072(19) 0.75375(9) 0.0192(3) Uani 1 1 d . . . . .
B2 B 0.06115(13) 0.20273(19) 0.50882(9) 0.0185(3) Uani 1 1 d . . . . .
O1 O 0.62606(9) 0.18910(13) 0.82246(6) 0.0239(2) Uani 1 1 d D . . . .
O2 O 0.55516(9) 0.35921(12) 0.73684(6) 0.0203(2) Uani 1 1 d . . . . .
O3 O 0.05974(9) 0.15062(12) 0.44011(6) 0.0209(2) Uani 1 1 d D . . . .
O4 O 0.02592(8) 0.12248(11) 0.56701(6) 0.0185(2) Uani 1 1 d . . . . .
Si1 Si 0.53682(3) 0.38477(5) 0.64711(2) 0.01816(9) Uani 1 1 d . . . . .
Si2 Si 0.03717(3) 0.20953(5) 0.64762(2) 0.01695(9) Uani 1 1 d . . . . .
Cl1 Cl 0.56966(3) 0.23315(5) 0.47418(2) 0.02510(9) Uani 1 1 d . . . . .
Cl2 Cl 0.67858(3) -0.07185(5) 0.46656(2) 0.02870(10) Uani 1 1 d . . . . .
Cl3 Cl 0.10483(3) 0.52697(4) 0.73241(2) 0.02320(9) Uani 1 1 d . . . . .
Cl4 Cl 0.18837(3) 0.78084(4) 0.63445(2) 0.02737(9) Uani 1 1 d . . . . .
H1 H 0.6064(18) 0.246(2) 0.8538(10) 0.049(7) Uiso 1 1 d D . . . .
H3 H 0.0352(19) 0.0691(15) 0.4375(14) 0.061(8) Uiso 1 1 d D . . . .
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'
B B 0.0013 0.0007 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Cl Cl 0.1484 0.1585 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.0060 '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
_geom_angle_publ_flag
C6 C1 C2 119.47(14) . . ?
C6 C1 B1 129.51(14) . . ?
C2 C1 B1 111.02(13) . . ?
C3 C2 C1 119.84(14) . . ?
C3 C2 Si1 132.60(12) . . ?
C1 C2 Si1 107.55(11) . . ?
C4 C3 C2 119.96(14) . . ?
C4 C3 Cl1 120.79(12) . . ?
C2 C3 Cl1 119.25(12) . . ?
C3 C4 C5 120.46(14) . . ?
C3 C4 Cl2 121.29(12) . . ?
C5 C4 Cl2 118.24(12) . . ?
C6 C5 C4 119.81(15) . . ?
C6 C5 H5 120.1 . . ?
C4 C5 H5 120.1 . . ?
C5 C6 C1 120.46(14) . . ?
C5 C6 H6 119.8 . . ?
C1 C6 H6 119.8 . . ?
Si1 C7 H7A 109.5 . . ?
Si1 C7 H7B 109.5 . . ?
H7A C7 H7B 109.5 . . ?
Si1 C7 H7C 109.5 . . ?
H7A C7 H7C 109.5 . . ?
H7B C7 H7C 109.5 . . ?
Si1 C8 H8A 109.5 . . ?
Si1 C8 H8B 109.5 . . ?
H8A C8 H8B 109.5 . . ?
Si1 C8 H8C 109.5 . . ?
H8A C8 H8C 109.5 . . ?
H8B C8 H8C 109.5 . . ?
C14 C9 C10 119.61(14) . . ?
C14 C9 B2 130.20(14) . . ?
C10 C9 B2 110.17(13) . . ?
C11 C10 C9 120.07(14) . . ?
C11 C10 Si2 131.01(12) . . ?
C9 C10 Si2 108.92(11) . . ?
C10 C11 C12 119.80(14) . . ?
C10 C11 Cl3 118.72(12) . . ?
C12 C11 Cl3 121.49(12) . . ?
C11 C12 C13 120.29(14) . . ?
C11 C12 Cl4 120.58(12) . . ?
C13 C12 Cl4 119.13(12) . . ?
C14 C13 C12 120.33(15) . . ?
C14 C13 H13 119.8 . . ?
C12 C13 H13 119.8 . . ?
C13 C14 C9 119.90(14) . . ?
C13 C14 H14 120.0 . . ?
C9 C14 H14 120.0 . . ?
Si2 C15 H15A 109.5 . . ?
Si2 C15 H15B 109.5 . . ?
H15A C15 H15B 109.5 . . ?
Si2 C15 H15C 109.5 . . ?
H15A C15 H15C 109.5 . . ?
H15B C15 H15C 109.5 . . ?
Si2 C16 H16A 109.5 . . ?
Si2 C16 H16B 109.5 . . ?
H16A C16 H16B 109.5 . . ?
Si2 C16 H16C 109.5 . . ?
H16A C16 H16C 109.5 . . ?
H16B C16 H16C 109.5 . . ?
O1 B1 O2 123.24(15) . . ?
O1 B1 C1 123.69(15) . . ?
O2 B1 C1 113.05(13) . . ?
O3 B2 O4 121.82(14) . . ?
O3 B2 C9 124.88(14) . . ?
O4 B2 C9 113.30(13) . . ?
B1 O1 H1 113.8(18) . . ?
B1 O2 Si1 113.34(10) . . ?
B2 O3 H3 112.4(19) . . ?
B2 O4 Si2 113.09(10) . . ?
O2 Si1 C7 109.00(7) . . ?
O2 Si1 C8 110.46(7) . . ?
C7 Si1 C8 113.08(8) . . ?
O2 Si1 C2 95.02(6) . . ?
C7 Si1 C2 113.51(7) . . ?
C8 Si1 C2 114.23(7) . . ?
O4 Si2 C16 109.92(7) . . ?
O4 Si2 C15 109.25(7) . . ?
C16 Si2 C15 113.13(8) . . ?
O4 Si2 C10 94.47(6) . . ?
C16 Si2 C10 113.11(7) . . ?
C15 Si2 C10 115.28(8) . . ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
_geom_bond_publ_flag
C1 C6 1.397(2) . ?
C1 C2 1.409(2) . ?
C1 B1 1.577(2) . ?
C2 C3 1.393(2) . ?
C2 Si1 1.8761(16) . ?
C3 C4 1.390(2) . ?
C3 Cl1 1.7347(15) . ?
C4 C5 1.395(2) . ?
C4 Cl2 1.7327(16) . ?
C5 C6 1.387(2) . ?
C5 H5 0.9500 . ?
C6 H6 0.9500 . ?
C7 Si1 1.8514(17) . ?
C7 H7A 0.9800 . ?
C7 H7B 0.9800 . ?
C7 H7C 0.9800 . ?
C8 Si1 1.8529(16) . ?
C8 H8A 0.9800 . ?
C8 H8B 0.9800 . ?
C8 H8C 0.9800 . ?
C9 C14 1.395(2) . ?
C9 C10 1.413(2) . ?
C9 B2 1.577(2) . ?
C10 C11 1.387(2) . ?
C10 Si2 1.8653(16) . ?
C11 C12 1.392(2) . ?
C11 Cl3 1.7373(15) . ?
C12 C13 1.395(2) . ?
C12 Cl4 1.7294(16) . ?
C13 C14 1.388(2) . ?
C13 H13 0.9500 . ?
C14 H14 0.9500 . ?
C15 Si2 1.8426(17) . ?
C15 H15A 0.9800 . ?
C15 H15B 0.9800 . ?
C15 H15C 0.9800 . ?
C16 Si2 1.8396(17) . ?
C16 H16A 0.9800 . ?
C16 H16B 0.9800 . ?
C16 H16C 0.9800 . ?
B1 O1 1.347(2) . ?
B1 O2 1.381(2) . ?
B2 O3 1.3526(19) . ?
B2 O4 1.391(2) . ?
O1 H1 0.827(9) . ?
O2 Si1 1.6769(11) . ?
O3 H3 0.825(10) . ?
O4 Si2 1.6922(11) . ?
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
_geom_hbond_site_symmetry_A
O3 H3 O4 0.825(10) 1.954(10) 2.7789(15) 178(3) 3_556
O1 H1 O3 0.827(9) 1.964(11) 2.7811(16) 169(2) 4_666
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
_geom_torsion_site_symmetry_2
_geom_torsion_site_symmetry_3
_geom_torsion_site_symmetry_4
_geom_torsion_publ_flag
C6 C1 C2 C3 0.2(2) . . . . ?
B1 C1 C2 C3 -178.90(14) . . . . ?
C6 C1 C2 Si1 -179.70(12) . . . . ?
B1 C1 C2 Si1 1.15(15) . . . . ?
C1 C2 C3 C4 0.3(2) . . . . ?
Si1 C2 C3 C4 -179.81(12) . . . . ?
C1 C2 C3 Cl1 179.51(11) . . . . ?
Si1 C2 C3 Cl1 -0.6(2) . . . . ?
C2 C3 C4 C5 -0.4(2) . . . . ?
Cl1 C3 C4 C5 -179.62(12) . . . . ?
C2 C3 C4 Cl2 179.31(12) . . . . ?
Cl1 C3 C4 Cl2 0.06(19) . . . . ?
C3 C4 C5 C6 0.0(2) . . . . ?
Cl2 C4 C5 C6 -179.70(12) . . . . ?
C4 C5 C6 C1 0.5(2) . . . . ?
C2 C1 C6 C5 -0.6(2) . . . . ?
B1 C1 C6 C5 178.33(15) . . . . ?
C14 C9 C10 C11 0.2(2) . . . . ?
B2 C9 C10 C11 -178.62(13) . . . . ?
C14 C9 C10 Si2 -179.75(11) . . . . ?
B2 C9 C10 Si2 1.44(15) . . . . ?
C9 C10 C11 C12 0.4(2) . . . . ?
Si2 C10 C11 C12 -179.70(12) . . . . ?
C9 C10 C11 Cl3 -179.13(11) . . . . ?
Si2 C10 C11 Cl3 0.8(2) . . . . ?
C10 C11 C12 C13 -0.7(2) . . . . ?
Cl3 C11 C12 C13 178.82(12) . . . . ?
C10 C11 C12 Cl4 179.52(11) . . . . ?
Cl3 C11 C12 Cl4 -0.98(19) . . . . ?
C11 C12 C13 C14 0.4(2) . . . . ?
Cl4 C12 C13 C14 -179.79(12) . . . . ?
C12 C13 C14 C9 0.2(2) . . . . ?
C10 C9 C14 C13 -0.5(2) . . . . ?
B2 C9 C14 C13 178.08(15) . . . . ?
C6 C1 B1 O1 1.0(3) . . . . ?
C2 C1 B1 O1 -179.99(15) . . . . ?
C6 C1 B1 O2 179.72(15) . . . . ?
C2 C1 B1 O2 -1.24(19) . . . . ?
C14 C9 B2 O3 0.5(3) . . . . ?
C10 C9 B2 O3 179.19(15) . . . . ?
C14 C9 B2 O4 -178.61(15) . . . . ?
C10 C9 B2 O4 0.04(19) . . . . ?
O1 B1 O2 Si1 179.41(13) . . . . ?
C1 B1 O2 Si1 0.66(16) . . . . ?
O3 B2 O4 Si2 179.13(12) . . . . ?
C9 B2 O4 Si2 -1.69(16) . . . . ?
B1 O2 Si1 C7 -116.97(12) . . . . ?
B1 O2 Si1 C8 118.21(12) . . . . ?
B1 O2 Si1 C2 0.02(12) . . . . ?
C3 C2 Si1 O2 179.32(15) . . . . ?
C1 C2 Si1 O2 -0.74(11) . . . . ?
C3 C2 Si1 C7 -67.43(17) . . . . ?
C1 C2 Si1 C7 112.50(11) . . . . ?
C3 C2 Si1 C8 64.22(17) . . . . ?
C1 C2 Si1 C8 -115.84(11) . . . . ?
B2 O4 Si2 C16 -114.38(12) . . . . ?
B2 O4 Si2 C15 120.92(12) . . . . ?
B2 O4 Si2 C10 2.18(11) . . . . ?
C11 C10 Si2 O4 177.96(15) . . . . ?
C9 C10 Si2 O4 -2.11(11) . . . . ?
C11 C10 Si2 C16 -68.15(16) . . . . ?
C9 C10 Si2 C16 111.78(11) . . . . ?
C11 C10 Si2 C15 64.22(17) . . . . ?
C9 C10 Si2 C15 -115.85(11) . . . . ?
