#------------------------------------------------------------------------------
#$Date: 2016-05-04 18:45:51 +0300 (Wed, 04 May 2016) $
#$Revision: 182493 $
#$URL: svn://www.crystallography.net/cod/cif/4/12/49/4124987.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_4124987
loop_
_publ_author_name
'Kane, Christopher M.'
'Banisafar, Arash'
'Dougherty, Timothy P.'
'Barbour, Leonard J.'
'Holman, K. Travis'
_publ_section_title
;
 Enclathration and Confinement of Small Gases by the Intrinsically 0D
 Porous Molecular Solid, Me,H,SiMe2.
;
_journal_issue                   13
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4377
_journal_page_last               4392
_journal_paper_doi               10.1021/jacs.5b11395
_journal_volume                  138
_journal_year                    2016
_chemical_formula_moiety         'C40 H48 O8 Si4'
_chemical_formula_sum            'C40 H48 O8 Si4'
_chemical_formula_weight         769.14
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 100.6310(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   23.878(2)
_cell_length_b                   8.3377(9)
_cell_length_c                   42.105(4)
_cell_measurement_reflns_used    7502
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.12
_cell_measurement_theta_min      2.59
_cell_volume                     8238.7(14)
_computing_cell_refinement       'SAINT, Bruker 2001'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material  'X-SEED and POV-RAY'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'Siemens SMART, Bruker APEXII CCD'
_diffrn_measurement_method       'φ and ω scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0459
_diffrn_reflns_av_unetI/netI     0.0485
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.972
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       54
_diffrn_reflns_limit_l_min       -54
_diffrn_reflns_number            34790
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.972
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         27.999
_diffrn_reflns_theta_min         1.735
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.193
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS, Bruker, 2001)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.240
_exptl_crystal_description       prism
_exptl_crystal_F_000             3264
_exptl_crystal_size_max          1.600
_exptl_crystal_size_mid          1.500
_exptl_crystal_size_min          0.960
_exptl_transmission_factor_max   0.7457
_exptl_transmission_factor_min   0.6183
_refine_diff_density_max         0.498
_refine_diff_density_min         -0.370
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     481
_refine_ls_number_reflns         9663
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0660
_refine_ls_R_factor_gt           0.0472
_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)+(0.0823P)²+0.4688P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1308
_refine_ls_wR_factor_ref         0.1434
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7341
_reflns_number_total             9663
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            ja5b11395_si_039.cif
_cod_data_source_block           11322
_cod_depositor_comments
'Adding full bibliography for 4124955--4124994.cif.'
_cod_original_cell_volume        8238.9(15)
_cod_database_code               4124987
_shelx_shelxl_version_number     2014/7
_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.
;
_shelx_estimated_absorpt_t_min   0.747
_shelx_estimated_absorpt_t_max   0.836
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x, y, -z+1/2'
'x+1/2, y+1/2, z'
'-x+1/2, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -y, z-1/2'
'-x+1/2, -y+1/2, -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
Si1 Si 0.08581(3) 0.76649(7) 0.18894(2) 0.02353(14) Uani 1 1 d . .
Si2 Si 0.11112(2) 1.01049(7) 0.04116(2) 0.02226(14) Uani 1 1 d . .
Si3 Si 0.40889(2) 0.91761(7) 0.07074(2) 0.02033(14) Uani 1 1 d . .
Si4 Si 0.37873(2) 0.71962(7) 0.22177(2) 0.02155(14) Uani 1 1 d . .
O1 O 0.12848(6) 0.62498(16) 0.20712(3) 0.0228(3) Uani 1 1 d . .
O2 O 0.04813(6) 0.69657(17) 0.15480(3) 0.0239(3) Uani 1 1 d . .
O3 O 0.06449(6) 0.87682(17) 0.04911(3) 0.0231(3) Uani 1 1 d . .
O4 O 0.15508(5) 0.93156(16) 0.01956(3) 0.0204(3) Uani 1 1 d . .
O5 O 0.35658(5) 0.86383(16) 0.04137(3) 0.0193(3) Uani 1 1 d . .
O6 O 0.43647(6) 0.75972(16) 0.09151(3) 0.0202(3) Uani 1 1 d . .
O7 O 0.41951(6) 0.62689(17) 0.19971(3) 0.0220(3) Uani 1 1 d . .
O8 O 0.33131(6) 0.59256(17) 0.23127(3) 0.0221(3) Uani 1 1 d . .
C1 C 0.28039(8) 0.5524(2) 0.21111(4) 0.0203(4) Uani 1 1 d . .
C2 C 0.23013(8) 0.6136(2) 0.21865(5) 0.0208(4) Uani 1 1 d . .
C3 C 0.17897(8) 0.5694(2) 0.19911(5) 0.0198(4) Uani 1 1 d . .
C4 C 0.17689(8) 0.4653(2) 0.17287(4) 0.0185(4) Uani 1 1 d . .
C5 C 0.12087(8) 0.4223(2) 0.15125(4) 0.0194(4) Uani 1 1 d . .
H5A H 0.0905 0.4185 0.1644 0.023 Uiso 1 1 calc R U
H5B H 0.1240 0.3141 0.1420 0.023 Uiso 1 1 calc R U
C6 C 0.10416(8) 0.5419(2) 0.12383(5) 0.0185(4) Uani 1 1 d . .
C7 C 0.06973(8) 0.6746(2) 0.12658(5) 0.0209(4) Uani 1 1 d . .
C8 C 0.05543(8) 0.7875(2) 0.10179(5) 0.0232(4) Uani 1 1 d . .
C9 C 0.07799(8) 0.7646(2) 0.07370(5) 0.0209(4) Uani 1 1 d . .
C10 C 0.11191(8) 0.6331(2) 0.06952(4) 0.0182(4) Uani 1 1 d . .
C11 C 0.13501(8) 0.6073(2) 0.03869(4) 0.0186(4) Uani 1 1 d . .
H11A H 0.1086 0.6568 0.0204 0.022 Uiso 1 1 calc R U
H11B H 0.1365 0.4908 0.0344 0.022 Uiso 1 1 calc R U
C12 C 0.19407(8) 0.6780(2) 0.04032(4) 0.0169(4) Uani 1 1 d . .
C13 C 0.20197(8) 0.8365(2) 0.03153(4) 0.0168(4) Uani 1 1 d . .
C14 C 0.25630(8) 0.9028(2) 0.03264(4) 0.0175(4) Uani 1 1 d . .
C15 C 0.30331(8) 0.8031(2) 0.04280(4) 0.0163(4) Uani 1 1 d . .
C16 C 0.29755(8) 0.6444(2) 0.05216(4) 0.0162(4) Uani 1 1 d . .
C17 C 0.34883(8) 0.5382(2) 0.06392(4) 0.0177(4) Uani 1 1 d . .
H17A H 0.3800 0.5670 0.0524 0.021 Uiso 1 1 calc R U
H17B H 0.3384 0.4248 0.0589 0.021 Uiso 1 1 calc R U
C18 C 0.36942(8) 0.5568(2) 0.10009(4) 0.0170(4) Uani 1 1 d . .
C19 C 0.41028(8) 0.6711(2) 0.11245(4) 0.0181(4) Uani 1 1 d . .
C20 C 0.42804(8) 0.6951(2) 0.14569(5) 0.0195(4) Uani 1 1 d . .
C21 C 0.40255(8) 0.6008(2) 0.16664(4) 0.0194(4) Uani 1 1 d . .
C22 C 0.36250(8) 0.4825(2) 0.15545(4) 0.0180(4) Uani 1 1 d . .
C23 C 0.33587(8) 0.3777(2) 0.17817(4) 0.0189(4) Uani 1 1 d . .
H23A H 0.3634 0.3646 0.1987 0.023 Uiso 1 1 calc R U
H23B H 0.3282 0.2701 0.1684 0.023 Uiso 1 1 calc R U
C24 C 0.28059(8) 0.4462(2) 0.18553(4) 0.0178(4) Uani 1 1 d . .
C25 C 0.22823(8) 0.4048(2) 0.16683(4) 0.0185(4) Uani 1 1 d . .
H25 H 0.2275 0.3326 0.1493 0.022 Uiso 1 1 calc R U
C26 C 0.12441(8) 0.5237(2) 0.09496(4) 0.0180(4) Uani 1 1 d . .
H26 H 0.1476 0.4336 0.0925 0.022 Uiso 1 1 calc R U
C27 C 0.24254(8) 0.5860(2) 0.05082(4) 0.0167(4) Uani 1 1 d . .
H27 H 0.2379 0.4785 0.0574 0.020 Uiso 1 1 calc R U
C28 C 0.34669(8) 0.4638(2) 0.12204(4) 0.0175(4) Uani 1 1 d . .
H28 H 0.3193 0.3842 0.1140 0.021 Uiso 1 1 calc R U
C29 C 0.47330(9) 0.8153(3) 0.15860(5) 0.0291(5) Uani 1 1 d . .
H29A H 0.4945 0.8440 0.1416 0.044 Uiso 1 1 calc R U
H29B H 0.4994 0.7689 0.1770 0.044 Uiso 1 1 calc R U
H29C H 0.4555 0.9116 0.1657 0.044 Uiso 1 1 calc R U
C30 C 0.23149(9) 0.7223(3) 0.24744(5) 0.0279(5) Uani 1 1 d . .
H30A H 0.2432 0.8302 0.2421 0.042 Uiso 1 1 calc R U
H30B H 0.2587 0.6802 0.2659 0.042 Uiso 1 1 calc R U
H30C H 0.1934 0.7271 0.2530 0.042 Uiso 1 1 calc R U
C31 C 0.01558(9) 0.9242(3) 0.10456(6) 0.0319(5) Uani 1 1 d . .
H31A H 0.0377 1.0219 0.1108 0.048 Uiso 1 1 calc R U
H31B H -0.0073 0.8988 0.1210 0.048 Uiso 1 1 calc R U
H31C H -0.0097 0.9411 0.0837 0.048 Uiso 1 1 calc R U
C32 C 0.26323(9) 1.0744(2) 0.02301(5) 0.0220(4) Uani 1 1 d . .
H32A H 0.2651 1.1439 0.0419 0.033 Uiso 1 1 calc R U
H32B H 0.2307 1.1057 0.0064 0.033 Uiso 1 1 calc R U
H32C H 0.2985 1.0854 0.0144 0.033 Uiso 1 1 calc R U
C33 C 0.38155(11) 1.0582(3) 0.09801(6) 0.0397(6) Uani 1 1 d . .
H33A H 0.3524 1.0046 0.1078 0.060 Uiso 1 1 calc R U
H33B H 0.3648 1.1517 0.0857 0.060 Uiso 1 1 calc R U
H33C H 0.4129 1.0931 0.1150 0.060 Uiso 1 1 calc R U
C34 C 0.46490(9) 0.9940(3) 0.05036(6) 0.0361(6) Uani 1 1 d . .
H34A H 0.5009 1.0005 0.0659 0.054 Uiso 1 1 calc R U
H34B H 0.4544 1.1010 0.0416 0.054 Uiso 1 1 calc R U
H34C H 0.4694 0.9215 0.0327 0.054 Uiso 1 1 calc R U
C35 C 0.34187(10) 0.8900(3) 0.19883(6) 0.0332(5) Uani 1 1 d . .
H35A H 0.3170 0.8499 0.1793 0.050 Uiso 1 1 calc R U
H35B H 0.3701 0.9636 0.1928 0.050 Uiso 1 1 calc R U
H35C H 0.3189 0.9468 0.2123 0.050 Uiso 1 1 calc R U
C36 C 0.42492(10) 0.7726(3) 0.26028(5) 0.0320(5) Uani 1 1 d . .
H36A H 0.4014 0.8074 0.2758 0.048 Uiso 1 1 calc R U
H36B H 0.4506 0.8598 0.2567 0.048 Uiso 1 1 calc R U
H36C H 0.4474 0.6788 0.2689 0.048 Uiso 1 1 calc R U
C37 C 0.12880(11) 0.9406(3) 0.18070(6) 0.0359(5) Uani 1 1 d . .
H37A H 0.1507 0.9815 0.2011 0.054 Uiso 1 1 calc R U
H37B H 0.1035 1.0251 0.1701 0.054 Uiso 1 1 calc R U
H37C H 0.1550 0.9077 0.1665 0.054 Uiso 1 1 calc R U
C38 C 0.03383(10) 0.8038(3) 0.21525(5) 0.0353(5) Uani 1 1 d . .
H38A H 0.0127 0.7049 0.2175 0.053 Uiso 1 1 calc R U
H38B H 0.0072 0.8876 0.2057 0.053 Uiso 1 1 calc R U
H38C H 0.0538 0.8388 0.2366 0.053 Uiso 1 1 calc R U
C39 C 0.15343(10) 1.0826(3) 0.07979(5) 0.0312(5) Uani 1 1 d . .
H39A H 0.1741 0.9924 0.0914 0.047 Uiso 1 1 calc R U
H39B H 0.1279 1.1298 0.0930 0.047 Uiso 1 1 calc R U
H39C H 0.1807 1.1638 0.0754 0.047 Uiso 1 1 calc R U
C40 C 0.07010(10) 1.1619(3) 0.01512(6) 0.0379(6) Uani 1 1 d . .
H40A H 0.0963 1.2345 0.0068 0.057 Uiso 1 1 calc R U
H40B H 0.0467 1.2234 0.0276 0.057 Uiso 1 1 calc R U
H40C H 0.0454 1.1088 -0.0030 0.057 Uiso 1 1 calc R U
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
O1 Si1 O2 109.94(7)
O1 Si1 C38 105.61(9)
O2 Si1 C38 105.31(10)
O1 Si1 C37 109.38(10)
O2 Si1 C37 110.22(9)
C38 Si1 C37 116.16(11)
O4 Si2 O3 111.35(7)
O4 Si2 C40 105.64(9)
O3 Si2 C40 106.26(9)
O4 Si2 C39 108.36(9)
O3 Si2 C39 108.67(9)
C40 Si2 C39 116.55(11)
O6 Si3 O5 110.71(7)
O6 Si3 C34 105.76(9)
O5 Si3 C34 105.11(9)
O6 Si3 C33 109.28(9)
O5 Si3 C33 109.50(10)
C34 Si3 C33 116.35(12)
O8 Si4 O7 109.67(7)
O8 Si4 C36 105.47(9)
O7 Si4 C36 106.71(9)
O8 Si4 C35 109.75(9)
O7 Si4 C35 109.79(9)
C36 Si4 C35 115.27(11)
C3 O1 Si1 127.87(12)
C7 O2 Si1 124.06(12)
C9 O3 Si2 122.21(12)
C13 O4 Si2 125.52(11)
C15 O5 Si3 130.03(11)
C19 O6 Si3 125.49(12)
C21 O7 Si4 122.73(12)
C1 O8 Si4 124.60(12)
O8 C1 C2 117.77(17)
O8 C1 C24 119.84(17)
C2 C1 C24 122.27(18)
C3 C2 C1 117.89(18)
C3 C2 C30 121.37(18)
C1 C2 C30 120.73(18)
O1 C3 C2 118.33(17)
O1 C3 C4 119.52(17)
C2 C3 C4 122.06(18)
C25 C4 C3 117.73(18)
C25 C4 C5 120.93(17)
C3 C4 C5 121.32(17)
C4 C5 C6 112.30(15)
C4 C5 H5A 109.1
C6 C5 H5A 109.1
C4 C5 H5B 109.1
C6 C5 H5B 109.1
H5A C5 H5B 107.9
C7 C6 C26 117.49(18)
C7 C6 C5 122.16(17)
C26 C6 C5 120.32(17)
O2 C7 C6 119.47(17)
O2 C7 C8 118.04(17)
C6 C7 C8 122.50(17)
C9 C8 C7 117.34(18)
C9 C8 C31 121.11(19)
C7 C8 C31 121.51(18)
O3 C9 C10 119.76(17)
O3 C9 C8 117.75(18)
C10 C9 C8 122.48(18)
C9 C10 C26 117.64(17)
C9 C10 C11 122.09(17)
C26 C10 C11 120.27(17)
C10 C11 C12 112.81(15)
C10 C11 H11A 109.0
C12 C11 H11A 109.0
C10 C11 H11B 109.0
C12 C11 H11B 109.0
H11A C11 H11B 107.8
C27 C12 C13 117.51(17)
C27 C12 C11 120.74(17)
C13 C12 C11 121.74(17)
O4 C13 C12 119.87(16)
O4 C13 C14 117.76(16)
C12 C13 C14 122.28(17)
C15 C14 C13 117.45(17)
C15 C14 C32 121.71(17)
C13 C14 C32 120.85(17)
O5 C15 C16 120.00(16)
O5 C15 C14 117.55(16)
C16 C15 C14 122.32(17)
C27 C16 C15 117.53(17)
C27 C16 C17 120.46(17)
C15 C16 C17 122.01(16)
C16 C17 C18 111.06(14)
C16 C17 H17A 109.4
C18 C17 H17A 109.4
C16 C17 H17B 109.4
C18 C17 H17B 109.4
H17A C17 H17B 108.0
C28 C18 C19 117.73(17)
C28 C18 C17 120.99(17)
C19 C18 C17 121.25(16)
O6 C19 C18 119.62(16)
O6 C19 C20 118.11(17)
C18 C19 C20 122.20(17)
C19 C20 C21 117.55(18)
C19 C20 C29 121.52(17)
C21 C20 C29 120.92(17)
C22 C21 O7 120.20(16)
C22 C21 C20 122.31(17)
O7 C21 C20 117.48(17)
C21 C22 C28 117.44(17)
C21 C22 C23 122.35(16)
C28 C22 C23 120.21(17)
C22 C23 C24 113.09(15)
C22 C23 H23A 109.0
C24 C23 H23A 109.0
C22 C23 H23B 109.0
C24 C23 H23B 109.0
H23A C23 H23B 107.8
C25 C24 C1 117.61(17)
C25 C24 C23 120.93(17)
C1 C24 C23 121.46(17)
C4 C25 C24 122.41(18)
C4 C25 H25 118.8
C24 C25 H25 118.8
C10 C26 C6 122.52(18)
C10 C26 H26 118.7
C6 C26 H26 118.7
C12 C27 C16 122.89(17)
C12 C27 H27 118.6
C16 C27 H27 118.6
C18 C28 C22 122.72(18)
C18 C28 H28 118.6
C22 C28 H28 118.6
C20 C29 H29A 109.5
C20 C29 H29B 109.5
H29A C29 H29B 109.5
C20 C29 H29C 109.5
H29A C29 H29C 109.5
H29B C29 H29C 109.5
C2 C30 H30A 109.5
C2 C30 H30B 109.5
H30A C30 H30B 109.5
C2 C30 H30C 109.5
H30A C30 H30C 109.5
H30B C30 H30C 109.5
C8 C31 H31A 109.5
C8 C31 H31B 109.5
H31A C31 H31B 109.5
C8 C31 H31C 109.5
H31A C31 H31C 109.5
H31B C31 H31C 109.5
C14 C32 H32A 109.5
C14 C32 H32B 109.5
H32A C32 H32B 109.5
C14 C32 H32C 109.5
H32A C32 H32C 109.5
H32B C32 H32C 109.5
Si3 C33 H33A 109.5
Si3 C33 H33B 109.5
H33A C33 H33B 109.5
Si3 C33 H33C 109.5
H33A C33 H33C 109.5
H33B C33 H33C 109.5
Si3 C34 H34A 109.5
Si3 C34 H34B 109.5
H34A C34 H34B 109.5
Si3 C34 H34C 109.5
H34A C34 H34C 109.5
H34B C34 H34C 109.5
Si4 C35 H35A 109.5
Si4 C35 H35B 109.5
H35A C35 H35B 109.5
Si4 C35 H35C 109.5
H35A C35 H35C 109.5
H35B C35 H35C 109.5
Si4 C36 H36A 109.5
Si4 C36 H36B 109.5
H36A C36 H36B 109.5
Si4 C36 H36C 109.5
H36A C36 H36C 109.5
H36B C36 H36C 109.5
Si1 C37 H37A 109.5
Si1 C37 H37B 109.5
H37A C37 H37B 109.5
Si1 C37 H37C 109.5
H37A C37 H37C 109.5
H37B C37 H37C 109.5
Si1 C38 H38A 109.5
Si1 C38 H38B 109.5
H38A C38 H38B 109.5
Si1 C38 H38C 109.5
H38A C38 H38C 109.5
H38B C38 H38C 109.5
Si2 C39 H39A 109.5
Si2 C39 H39B 109.5
H39A C39 H39B 109.5
Si2 C39 H39C 109.5
H39A C39 H39C 109.5
H39B C39 H39C 109.5
Si2 C40 H40A 109.5
Si2 C40 H40B 109.5
H40A C40 H40B 109.5
Si2 C40 H40C 109.5
H40A C40 H40C 109.5
H40B C40 H40C 109.5
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
Si1 O1 1.6519(15)
Si1 O2 1.6548(15)
Si1 C38 1.836(2)
Si1 C37 1.848(2)
Si2 O4 1.6475(14)
Si2 O3 1.6527(15)
Si2 C40 1.833(2)
Si2 C39 1.850(2)
Si3 O6 1.6489(14)
Si3 O5 1.6495(14)
Si3 C34 1.832(2)
Si3 C33 1.843(2)
Si4 O8 1.6527(15)
Si4 O7 1.6561(14)
Si4 C36 1.839(2)
Si4 C35 1.847(2)
O1 C3 1.390(2)
O2 C7 1.392(2)
O3 C9 1.389(2)
O4 C13 1.389(2)
O5 C15 1.381(2)
O6 C19 1.385(2)
O7 C21 1.394(2)
O8 C1 1.389(2)
C1 C2 1.394(3)
C1 C24 1.395(3)
C2 C3 1.391(3)
C2 C30 1.509(3)
C3 C4 1.399(3)
C4 C25 1.392(3)
C4 C5 1.516(3)
C5 C6 1.522(3)
C5 H5A 0.9900
C5 H5B 0.9900
C6 C7 1.396(3)
C6 C26 1.397(3)
C7 C8 1.400(3)
C8 C9 1.400(3)
C8 C31 1.503(3)
C9 C10 1.394(3)
C10 C26 1.396(3)
C10 C11 1.517(2)
C11 C12 1.519(3)
C11 H11A 0.9900
C11 H11B 0.9900
C12 C27 1.391(3)
C12 C13 1.394(3)
C13 C14 1.403(3)
C14 C15 1.399(3)
C14 C32 1.505(3)
C15 C16 1.394(3)
C16 C27 1.393(3)
C16 C17 1.518(3)
C17 C18 1.520(3)
C17 H17A 0.9900
C17 H17B 0.9900
C18 C28 1.391(2)
C18 C19 1.394(3)
C19 C20 1.400(3)
C20 C21 1.402(3)
C20 C29 1.501(3)
C21 C22 1.394(3)
C22 C28 1.397(3)
C22 C23 1.519(2)
C23 C24 1.522(3)
C23 H23A 0.9900
C23 H23B 0.9900
C24 C25 1.393(3)
C25 H25 0.9500
C26 H26 0.9500
C27 H27 0.9500
C28 H28 0.9500
C29 H29A 0.9800
C29 H29B 0.9800
C29 H29C 0.9800
C30 H30A 0.9800
C30 H30B 0.9800
C30 H30C 0.9800
C31 H31A 0.9800
C31 H31B 0.9800
C31 H31C 0.9800
C32 H32A 0.9800
C32 H32B 0.9800
C32 H32C 0.9800
C33 H33A 0.9800
C33 H33B 0.9800
C33 H33C 0.9800
C34 H34A 0.9800
C34 H34B 0.9800
C34 H34C 0.9800
C35 H35A 0.9800
C35 H35B 0.9800
C35 H35C 0.9800
C36 H36A 0.9800
C36 H36B 0.9800
C36 H36C 0.9800
C37 H37A 0.9800
C37 H37B 0.9800
C37 H37C 0.9800
C38 H38A 0.9800
C38 H38B 0.9800
C38 H38C 0.9800
C39 H39A 0.9800
C39 H39B 0.9800
C39 H39C 0.9800
C40 H40A 0.9800
C40 H40B 0.9800
C40 H40C 0.9800
