#------------------------------------------------------------------------------
#$Date: 2017-10-13 11:42:48 +0300 (Fri, 13 Oct 2017) $
#$Revision: 201978 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/22/92/2229214.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2229214
loop_
_publ_author_name
'Salas, Cristian O.'
'Tapia, Ricardo A.'
'Macías, Alejandro'
_publ_section_title
;
 7-(tert-Butyldiphenylsilyloxy)-2,2-dimethyl-1-benzofuran-3(2H)-one
;
_journal_coeditor_code           SI2320
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o375
_journal_paper_doi               10.1107/S1600536810054462
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C26 H28 O3 Si'
_chemical_formula_moiety         'C26 H28 O3 Si'
_chemical_formula_sum            'C26 H28 O3 Si'
_chemical_formula_weight         416.57
_chemical_name_systematic
;
7-(tert-Butyldiphenylsilyloxy)-2,2-dimethyl-1-benzofuran-3(2H)-one
;
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_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                98.803(2)
_cell_angle_beta                 112.151(2)
_cell_angle_gamma                101.791(2)
_cell_formula_units_Z            2
_cell_length_a                   9.8210(18)
_cell_length_b                   11.081(2)
_cell_length_c                   12.025(2)
_cell_measurement_reflns_used    3414
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.34
_cell_measurement_theta_min      2.3
_cell_volume                     1147.6(4)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'SMART (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD'
_diffrn_measurement_method       ω
_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  0.0324
_diffrn_reflns_av_sigmaI/netI    0.0349
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            14369
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    0.126
_exptl_absorpt_correction_T_max  0.9875
_exptl_absorpt_correction_T_min  0.9408
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.205
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             444
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.43
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.829
_refine_diff_density_min         -0.292
_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     276
_refine_ls_number_reflns         4197
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0603
_refine_ls_R_factor_gt           0.0436
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[σ²(Fo²)+(0.0422P)²+0.8404P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1000
_refine_ls_wR_factor_ref         0.1107
_reflns_number_gt                3325
_reflns_number_total             4197
_reflns_threshold_expression     I>2σ(I)
_cod_data_source_file            si2320.cif
_cod_data_source_block           I
_cod_original_cell_volume        1147.7(4)
_cod_database_code               2229214
_cod_database_fobs_code          2229214
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -y, -z'
loop_
_atom_site_type_symbol
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_occupancy
_atom_site_disorder_assembly
_atom_site_disorder_group
Si Si1 0.05281(6) 0.33072(5) 0.76624(5) 0.01833(15) Uani d . 1 . .
O O1 0.32466(15) 0.13402(12) 0.72764(12) 0.0227(3) Uani d . 1 . .
C C2 0.4315(2) 0.05650(19) 0.75715(18) 0.0223(4) Uani d . 1 . .
C C3 0.3300(2) -0.07888(19) 0.73025(18) 0.0227(4) Uani d . 1 . .
C C4 0.1727(2) -0.07133(18) 0.68675(17) 0.0202(4) Uani d . 1 . .
C C5 0.0325(2) -0.16301(19) 0.64733(18) 0.0232(4) Uani d . 1 . .
H H5 0.0270 -0.2501 0.6447 0.028 Uiso calc R 1 . .
C C6 -0.0980(2) -0.1229(2) 0.61233(18) 0.0252(5) Uani d . 1 . .
H H6 -0.1955 -0.1833 0.5839 0.030 Uiso calc R 1 . .
C C7 -0.0885(2) 0.0057(2) 0.61825(18) 0.0236(4) Uani d . 1 . .
H H7 -0.1800 0.0311 0.5953 0.028 Uiso calc R 1 . .
C C8 0.0501(2) 0.09704(18) 0.65653(17) 0.0193(4) Uani d . 1 . .
C C9 0.1812(2) 0.05545(18) 0.68970(16) 0.0188(4) Uani d . 1 . .
C C10 0.5136(2) 0.0626(2) 0.6729(2) 0.0296(5) Uani d . 1 . .
H H10A 0.4379 0.0327 0.5860 0.044 Uiso calc R 1 . .
H H10B 0.5824 0.0083 0.6894 0.044 Uiso calc R 1 . .
H H10C 0.5734 0.1508 0.6886 0.044 Uiso calc R 1 . .
C C11 0.5402(2) 0.1070(2) 0.8933(2) 0.0316(5) Uani d . 1 . .
H H11A 0.5988 0.1955 0.9086 0.047 Uiso calc R 1 . .
H H11B 0.6109 0.0548 0.9159 0.047 Uiso calc R 1 . .
H H11C 0.4813 0.1033 0.9434 0.047 Uiso calc R 1 . .
O O12 0.37919(16) -0.17058(14) 0.74359(14) 0.0320(4) Uani d . 1 . .
O O13 0.06209(15) 0.22261(12) 0.65909(12) 0.0217(3) Uani d . 1 . .
C C14 0.0978(2) 0.27196(18) 0.90971(18) 0.0212(4) Uani d . 1 . .
C C15 0.2433(2) 0.2591(2) 0.97519(19) 0.0270(5) Uani d . 1 . .
H H15 0.3220 0.2867 0.9493 0.032 Uiso calc R 1 . .
C C16 0.2760(3) 0.2073(2) 1.0766(2) 0.0323(5) Uani d . 1 . .
H H16 0.3764 0.2007 1.1200 0.039 Uiso calc R 1 . .
C C17 0.1623(3) 0.1654(2) 1.1145(2) 0.0358(6) Uani d . 1 . .
H H17 0.1840 0.1291 1.1837 0.043 Uiso calc R 1 . .
C C18 0.0170(3) 0.1763(2) 1.0515(2) 0.0371(6) Uani d . 1 . .
H H18 -0.0613 0.1476 1.0776 0.045 Uiso calc R 1 . .
C C19 -0.0147(2) 0.2288(2) 0.9508(2) 0.0285(5) Uani d . 1 . .
H H19 -0.1151 0.2358 0.9084 0.034 Uiso calc R 1 . .
C C20 -0.1450(2) 0.34886(18) 0.70512(18) 0.0215(4) Uani d . 1 . .
C C21 -0.2426(2) 0.3037(2) 0.57890(19) 0.0253(5) Uani d . 1 . .
H H21 -0.2115 0.2558 0.5252 0.030 Uiso calc R 1 . .
C C22 -0.3847(2) 0.3276(2) 0.5300(2) 0.0337(5) Uani d . 1 . .
H H22 -0.4498 0.2958 0.4438 0.040 Uiso calc R 1 . .
C C23 -0.4303(3) 0.3977(2) 0.6075(2) 0.0379(6) Uani d . 1 . .
H H23 -0.5273 0.4139 0.5748 0.045 Uiso calc R 1 . .
C C24 -0.3351(3) 0.4442(2) 0.7324(2) 0.0365(6) Uani d . 1 . .
H H24 -0.3665 0.4928 0.7854 0.044 Uiso calc R 1 . .
C C25 -0.1943(2) 0.4205(2) 0.7807(2) 0.0281(5) Uani d . 1 . .
H H25 -0.1298 0.4534 0.8668 0.034 Uiso calc R 1 . .
C C26 0.1895(2) 0.48211(19) 0.77629(18) 0.0220(4) Uani d . 1 . .
C C27 0.3543(3) 0.4743(2) 0.8183(3) 0.0462(7) Uani d . 1 . .
H H27A 0.3558 0.3973 0.7669 0.069 Uiso calc R 1 . .
H H27B 0.3951 0.4711 0.9054 0.069 Uiso calc R 1 . .
H H27C 0.4179 0.5495 0.8094 0.069 Uiso calc R 1 . .
C C28 0.1375(3) 0.5049(2) 0.6466(2) 0.0318(5) Uani d . 1 . .
H H28A 0.2037 0.5858 0.6497 0.048 Uiso calc R 1 . .
H H28B 0.0312 0.5086 0.6170 0.048 Uiso calc R 1 . .
H H28C 0.1442 0.4351 0.5899 0.048 Uiso calc R 1 . .
C C29 0.1862(3) 0.5957(2) 0.8649(2) 0.0428(6) Uani d . 1 . .
H H29A 0.2554 0.6739 0.8663 0.064 Uiso calc R 1 . .
H H29B 0.2195 0.5823 0.9486 0.064 Uiso calc R 1 . .
H H29C 0.0816 0.6034 0.8363 0.064 Uiso calc R 1 . .
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'
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_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle
_geom_angle_publ_flag
O13 Si1 C14 . . 107.62(8) ?
O13 Si1 C20 . . 108.10(8) ?
C14 Si1 C20 . . 111.46(9) ?
O13 Si1 C26 . . 103.79(8) ?
C14 Si1 C26 . . 116.95(9) ?
C20 Si1 C26 . . 108.36(9) ?
C9 O1 C2 . . 107.46(14) ?
O1 C2 C11 . . 107.94(16) ?
O1 C2 C10 . . 108.69(16) ?
C11 C2 C10 . . 112.76(17) ?
O1 C2 C3 . . 104.86(15) ?
C11 C2 C3 . . 111.31(17) ?
C10 C2 C3 . . 110.89(17) ?
O12 C3 C4 . . 129.89(19) ?
O12 C3 C2 . . 123.83(18) ?
C4 C3 C2 . . 106.28(16) ?
C9 C4 C5 . . 121.40(18) ?
C9 C4 C3 . . 106.16(17) ?
C5 C4 C3 . . 132.44(18) ?
C6 C5 C4 . . 117.65(19) ?
C6 C5 H5 . . 121.2 ?
C4 C5 H5 . . 121.2 ?
C5 C6 C7 . . 120.71(19) ?
C5 C6 H6 . . 119.6 ?
C7 C6 H6 . . 119.6 ?
C8 C7 C6 . . 121.96(18) ?
C8 C7 H7 . . 119.0 ?
C6 C7 H7 . . 119.0 ?
O13 C8 C7 . . 123.14(17) ?
O13 C8 C9 . . 119.85(17) ?
C7 C8 C9 . . 116.99(18) ?
O1 C9 C4 . . 115.22(17) ?
O1 C9 C8 . . 123.50(17) ?
C4 C9 C8 . . 121.27(17) ?
C2 C10 H10A . . 109.5 ?
C2 C10 H10B . . 109.5 ?
H10A C10 H10B . . 109.5 ?
C2 C10 H10C . . 109.5 ?
H10A C10 H10C . . 109.5 ?
H10B C10 H10C . . 109.5 ?
C2 C11 H11A . . 109.5 ?
C2 C11 H11B . . 109.5 ?
H11A C11 H11B . . 109.5 ?
C2 C11 H11C . . 109.5 ?
H11A C11 H11C . . 109.5 ?
H11B C11 H11C . . 109.5 ?
C8 O13 Si1 . . 126.65(12) ?
C15 C14 C19 . . 116.86(18) ?
C15 C14 Si1 . . 120.96(15) ?
C19 C14 Si1 . . 121.97(15) ?
C16 C15 C14 . . 121.9(2) ?
C16 C15 H15 . . 119.0 ?
C14 C15 H15 . . 119.0 ?
C17 C16 C15 . . 119.7(2) ?
C17 C16 H16 . . 120.1 ?
C15 C16 H16 . . 120.1 ?
C18 C17 C16 . . 119.8(2) ?
C18 C17 H17 . . 120.1 ?
C16 C17 H17 . . 120.1 ?
C17 C18 C19 . . 120.2(2) ?
C17 C18 H18 . . 119.9 ?
C19 C18 H18 . . 119.9 ?
C18 C19 C14 . . 121.5(2) ?
C18 C19 H19 . . 119.3 ?
C14 C19 H19 . . 119.3 ?
C21 C20 C25 . . 117.43(18) ?
C21 C20 Si1 . . 120.75(15) ?
C25 C20 Si1 . . 121.41(16) ?
C22 C21 C20 . . 121.4(2) ?
C22 C21 H21 . . 119.3 ?
C20 C21 H21 . . 119.3 ?
C23 C22 C21 . . 119.6(2) ?
C23 C22 H22 . . 120.2 ?
C21 C22 H22 . . 120.2 ?
C24 C23 C22 . . 120.0(2) ?
C24 C23 H23 . . 120.0 ?
C22 C23 H23 . . 120.0 ?
C23 C24 C25 . . 120.3(2) ?
C23 C24 H24 . . 119.8 ?
C25 C24 H24 . . 119.8 ?
C24 C25 C20 . . 121.3(2) ?
C24 C25 H25 . . 119.4 ?
C20 C25 H25 . . 119.4 ?
C28 C26 C27 . . 107.98(18) ?
C28 C26 C29 . . 108.62(18) ?
C27 C26 C29 . . 109.12(19) ?
C28 C26 Si1 . . 107.54(14) ?
C27 C26 Si1 . . 112.54(15) ?
C29 C26 Si1 . . 110.90(14) ?
C26 C27 H27A . . 109.5 ?
C26 C27 H27B . . 109.5 ?
H27A C27 H27B . . 109.5 ?
C26 C27 H27C . . 109.5 ?
H27A C27 H27C . . 109.5 ?
H27B C27 H27C . . 109.5 ?
C26 C28 H28A . . 109.5 ?
C26 C28 H28B . . 109.5 ?
H28A C28 H28B . . 109.5 ?
C26 C28 H28C . . 109.5 ?
H28A C28 H28C . . 109.5 ?
H28B C28 H28C . . 109.5 ?
C26 C29 H29A . . 109.5 ?
C26 C29 H29B . . 109.5 ?
H29A C29 H29B . . 109.5 ?
C26 C29 H29C . . 109.5 ?
H29A C29 H29C . . 109.5 ?
H29B C29 H29C . . 109.5 ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
Si1 O13 . 1.6627(14) ?
Si1 C14 . 1.866(2) ?
Si1 C20 . 1.866(2) ?
Si1 C26 . 1.878(2) ?
O1 C9 . 1.358(2) ?
O1 C2 . 1.465(2) ?
C2 C11 . 1.513(3) ?
C2 C10 . 1.515(3) ?
C2 C3 . 1.532(3) ?
C3 O12 . 1.218(2) ?
C3 C4 . 1.457(3) ?
C4 C9 . 1.384(3) ?
C4 C5 . 1.394(3) ?
C5 C6 . 1.379(3) ?
C5 H5 . 0.9500 ?
C6 C7 . 1.398(3) ?
C6 H6 . 0.9500 ?
C7 C8 . 1.383(3) ?
C7 H7 . 0.9500 ?
C8 O13 . 1.367(2) ?
C8 C9 . 1.393(3) ?
C10 H10A . 0.9800 ?
C10 H10B . 0.9800 ?
C10 H10C . 0.9800 ?
C11 H11A . 0.9800 ?
C11 H11B . 0.9800 ?
C11 H11C . 0.9800 ?
C14 C15 . 1.397(3) ?
C14 C19 . 1.400(3) ?
C15 C16 . 1.383(3) ?
C15 H15 . 0.9500 ?
C16 C17 . 1.381(3) ?
C16 H16 . 0.9500 ?
C17 C18 . 1.381(3) ?
C17 H17 . 0.9500 ?
C18 C19 . 1.382(3) ?
C18 H18 . 0.9500 ?
C19 H19 . 0.9500 ?
C20 C21 . 1.396(3) ?
C20 C25 . 1.400(3) ?
C21 C22 . 1.394(3) ?
C21 H21 . 0.9500 ?
C22 C23 . 1.382(3) ?
C22 H22 . 0.9500 ?
C23 C24 . 1.379(3) ?
C23 H23 . 0.9500 ?
C24 C25 . 1.381(3) ?
C24 H24 . 0.9500 ?
C25 H25 . 0.9500 ?
C26 C28 . 1.526(3) ?
C26 C27 . 1.529(3) ?
C26 C29 . 1.534(3) ?
C27 H27A . 0.9800 ?
C27 H27B . 0.9800 ?
C27 H27C . 0.9800 ?
C28 H28A . 0.9800 ?
C28 H28B . 0.9800 ?
C28 H28C . 0.9800 ?
C29 H29A . 0.9800 ?
C29 H29B . 0.9800 ?
C29 H29C . 0.9800 ?
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_site_symmetry_1
_geom_torsion_site_symmetry_2
_geom_torsion_site_symmetry_3
_geom_torsion_site_symmetry_4
_geom_torsion
_geom_torsion_publ_flag
C9 O1 C2 C11 . . . . -118.39(17) ?
C9 O1 C2 C10 . . . . 119.01(17) ?
C9 O1 C2 C3 . . . . 0.37(19) ?
O1 C2 C3 O12 . . . . 179.64(18) ?
C11 C2 C3 O12 . . . . -63.9(3) ?
C10 C2 C3 O12 . . . . 62.5(3) ?
O1 C2 C3 C4 . . . . 0.30(19) ?
C11 C2 C3 C4 . . . . 116.76(18) ?
C10 C2 C3 C4 . . . . -116.84(18) ?
O12 C3 C4 C9 . . . . 179.9(2) ?
C2 C3 C4 C9 . . . . -0.8(2) ?
O12 C3 C4 C5 . . . . -0.2(4) ?
C2 C3 C4 C5 . . . . 179.0(2) ?
C9 C4 C5 C6 . . . . -0.6(3) ?
C3 C4 C5 C6 . . . . 179.51(19) ?
C4 C5 C6 C7 . . . . -0.9(3) ?
C5 C6 C7 C8 . . . . 1.3(3) ?
C6 C7 C8 O13 . . . . 177.67(17) ?
C6 C7 C8 C9 . . . . -0.2(3) ?
C2 O1 C9 C4 . . . . -1.0(2) ?
C2 O1 C9 C8 . . . . 178.51(17) ?
C5 C4 C9 O1 . . . . -178.72(16) ?
C3 C4 C9 O1 . . . . 1.2(2) ?
C5 C4 C9 C8 . . . . 1.8(3) ?
C3 C4 C9 C8 . . . . -178.34(17) ?
O13 C8 C9 O1 . . . . 1.3(3) ?
C7 C8 C9 O1 . . . . 179.22(17) ?
O13 C8 C9 C4 . . . . -179.26(16) ?
C7 C8 C9 C4 . . . . -1.3(3) ?
C7 C8 O13 Si1 . . . . 78.3(2) ?
C9 C8 O13 Si1 . . . . -103.83(18) ?
C14 Si1 O13 C8 . . . . 21.23(17) ?
C20 Si1 O13 C8 . . . . -99.27(16) ?
C26 Si1 O13 C8 . . . . 145.81(15) ?
O13 Si1 C14 C15 . . . . 65.61(18) ?
C20 Si1 C14 C15 . . . . -176.04(16) ?
C26 Si1 C14 C15 . . . . -50.63(19) ?
O13 Si1 C14 C19 . . . . -108.91(17) ?
C20 Si1 C14 C19 . . . . 9.4(2) ?
C26 Si1 C14 C19 . . . . 134.85(17) ?
C19 C14 C15 C16 . . . . -0.6(3) ?
Si1 C14 C15 C16 . . . . -175.34(17) ?
C14 C15 C16 C17 . . . . 0.8(3) ?
C15 C16 C17 C18 . . . . -0.5(3) ?
C16 C17 C18 C19 . . . . 0.1(4) ?
C17 C18 C19 C14 . . . . 0.1(4) ?
C15 C14 C19 C18 . . . . 0.1(3) ?
Si1 C14 C19 C18 . . . . 174.87(17) ?
O13 Si1 C20 C21 . . . . -16.23(18) ?
C14 Si1 C20 C21 . . . . -134.30(16) ?
C26 Si1 C20 C21 . . . . 95.65(17) ?
O13 Si1 C20 C25 . . . . 171.27(15) ?
C14 Si1 C20 C25 . . . . 53.20(19) ?
C26 Si1 C20 C25 . . . . -76.85(18) ?
C25 C20 C21 C22 . . . . -0.8(3) ?
Si1 C20 C21 C22 . . . . -173.60(16) ?
C20 C21 C22 C23 . . . . 0.3(3) ?
C21 C22 C23 C24 . . . . 0.3(3) ?
C22 C23 C24 C25 . . . . -0.3(3) ?
C23 C24 C25 C20 . . . . -0.2(3) ?
C21 C20 C25 C24 . . . . 0.8(3) ?
Si1 C20 C25 C24 . . . . 173.55(16) ?
O13 Si1 C26 C28 . . . . 56.95(15) ?
C14 Si1 C26 C28 . . . . 175.28(13) ?
C20 Si1 C26 C28 . . . . -57.78(16) ?
O13 Si1 C26 C27 . . . . -61.85(17) ?
C14 Si1 C26 C27 . . . . 56.47(19) ?
C20 Si1 C26 C27 . . . . -176.58(16) ?
O13 Si1 C26 C29 . . . . 175.59(15) ?
C14 Si1 C26 C29 . . . . -66.09(18) ?
C20 Si1 C26 C29 . . . . 60.85(17) ?
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1 ChemSpider 30656490
