#------------------------------------------------------------------------------
#$Date: 2016-03-26 14:38:36 +0200 (Sat, 26 Mar 2016) $
#$Revision: 180271 $
#$URL: svn://www.crystallography.net/cod/cif/7/11/57/7115797.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_7115797
loop_
_publ_author_name
'Yuanjing Cai'
'Kerim Samedov'
'Haley Albright'
'Brian S. Dolinar'
'Ilia A. Guzei'
'Rongrong Hu'
'Chaocan Zhang'
'Ben Zhong Tang'
'Robert West'
_publ_section_title
;
 High solid-state fluorescence in ring-shaped AEE-active tetraphenylsilole
 derivatives
;
_journal_name_full               Chem.Commun.
_journal_page_first              12714
_journal_paper_doi               10.1039/C4cc06203E
_journal_volume                  50
_journal_year                    2014
_chemical_formula_sum            'C60 H52 O4 Si4'
_chemical_formula_weight         949.37
_chemical_name_systematic
;
 ?
;
_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
_cell_angle_alpha                90
_cell_angle_beta                 102.117(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.956(8)
_cell_length_b                   28.804(9)
_cell_length_c                   10.023(3)
_cell_measurement_temperature    100(2)
_cell_volume                     5633(3)
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0294
_diffrn_reflns_av_unetI/netI     0.0138
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            65866
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         27.549
_diffrn_reflns_theta_min         1.261
_exptl_absorpt_coefficient_mu    0.149
_exptl_crystal_density_diffrn    1.119
_exptl_crystal_F_000             2000
_exptl_crystal_size_max          0.263
_exptl_crystal_size_mid          0.196
_exptl_crystal_size_min          0.128
_refine_diff_density_max         0.424
_refine_diff_density_min         -0.287
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     310
_refine_ls_number_reflns         6489
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0416
_refine_ls_R_factor_gt           0.0359
_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)+(0.0522P)²+5.8699P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1007
_refine_ls_wR_factor_ref         0.1056
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5674
_reflns_number_total             6489
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            c4cc06203e2.cif
_cod_data_source_block           S1
_cod_database_code               7115797
#BEGIN Tags that were not found in dictionaries:
_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   0.962
_shelx_estimated_absorpt_t_max   0.981
_shelxl_version_number           2013-3
#END Tags that were not found in dictionaries
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
_atom_site_refinement_flags_occupancy
Si1 Si 0.5000 0.21466(2) 0.7500 0.01628(11) Uani 1 2 d S T P
Si2 Si 0.50593(2) 0.29274(2) 0.53244(3) 0.01505(9) Uani 1 1 d . . .
Si3 Si 0.5000 0.37093(2) 0.7500 0.01653(11) Uani 1 2 d S T P
O1 O 0.49022(5) 0.24685(3) 0.61563(10) 0.0225(2) Uani 1 1 d . . .
O2 O 0.49107(5) 0.33870(3) 0.61575(9) 0.0225(2) Uani 1 1 d . . .
C1 C 0.43187(6) 0.17065(4) 0.74597(13) 0.0179(2) Uani 1 1 d . . .
C2 C 0.46195(6) 0.12843(4) 0.75110(13) 0.0185(2) Uani 1 1 d . . .
C3 C 0.36219(6) 0.18236(4) 0.76402(13) 0.0185(2) Uani 1 1 d . . .
C4 C 0.32649(7) 0.21827(5) 0.68622(14) 0.0225(3) Uani 1 1 d . . .
H4 H 0.3454 0.2324 0.6168 0.027 Uiso 1 1 calc R U .
C5 C 0.26392(7) 0.23364(5) 0.70869(15) 0.0281(3) Uani 1 1 d . . .
H5 H 0.2398 0.2575 0.6533 0.034 Uiso 1 1 calc R U .
C6 C 0.23661(7) 0.21413(5) 0.81190(16) 0.0287(3) Uani 1 1 d . . .
H6 H 0.1943 0.2252 0.8290 0.034 Uiso 1 1 calc R U .
C7 C 0.27121(7) 0.17842(5) 0.89022(16) 0.0297(3) Uani 1 1 d . . .
H7 H 0.2524 0.1649 0.9606 0.036 Uiso 1 1 calc R U .
C8 C 0.33311(7) 0.16245(5) 0.86611(15) 0.0257(3) Uani 1 1 d . . .
H8 H 0.3561 0.1377 0.9195 0.031 Uiso 1 1 calc R U .
C9 C 0.42583(6) 0.08412(4) 0.76422(14) 0.0214(3) Uani 1 1 d . . .
C10 C 0.36689(7) 0.07211(5) 0.66934(16) 0.0275(3) Uani 1 1 d . . .
H10 H 0.3516 0.0910 0.5911 0.033 Uiso 1 1 calc R U .
C11 C 0.33033(8) 0.03234(6) 0.6893(2) 0.0382(4) Uani 1 1 d . . .
H11 H 0.2905 0.0240 0.6237 0.046 Uiso 1 1 calc R U .
C12 C 0.35146(8) 0.00512(5) 0.8031(2) 0.0431(4) Uani 1 1 d . . .
H12 H 0.3257 -0.0215 0.8169 0.052 Uiso 1 1 calc R U .
C13 C 0.41011(9) 0.01654(6) 0.8974(2) 0.0419(4) Uani 1 1 d . . .
H13 H 0.4247 -0.0022 0.9760 0.050 Uiso 1 1 calc R U .
C14 C 0.44778(7) 0.05562(5) 0.87703(17) 0.0309(3) Uani 1 1 d . . .
H14 H 0.4888 0.0629 0.9407 0.037 Uiso 1 1 calc R U .
C15 C 0.44279(8) 0.29320(5) 0.36967(14) 0.0274(3) Uani 1 1 d . . .
H15A H 0.4488 0.2654 0.3169 0.041 Uiso 1 1 calc R U .
H15B H 0.4495 0.3210 0.3176 0.041 Uiso 1 1 calc R U .
H15C H 0.3964 0.2934 0.3878 0.041 Uiso 1 1 calc R U .
C16 C 0.59617(7) 0.29288(6) 0.51650(16) 0.0307(3) Uani 1 1 d . . .
H16A H 0.6260 0.2956 0.6073 0.046 Uiso 1 1 calc R U .
H16B H 0.6042 0.3192 0.4601 0.046 Uiso 1 1 calc R U .
H16C H 0.6064 0.2639 0.4737 0.046 Uiso 1 1 calc R U .
C17 C 0.43126(6) 0.41476(4) 0.73862(12) 0.0183(2) Uani 1 1 d . . .
C18 C 0.46138(6) 0.45713(4) 0.74707(12) 0.0179(2) Uani 1 1 d . . .
C19 C 0.35869(7) 0.40315(4) 0.73444(13) 0.0198(3) Uani 1 1 d . . .
C20 C 0.32358(7) 0.41875(5) 0.83259(14) 0.0254(3) Uani 1 1 d . . .
H20 H 0.3460 0.4384 0.9043 0.031 Uiso 1 1 calc R U .
C21 C 0.25601(8) 0.40566(6) 0.82585(16) 0.0324(3) Uani 1 1 d . . .
H21 H 0.2326 0.4164 0.8933 0.039 Uiso 1 1 calc R U .
C22 C 0.22240(8) 0.37722(6) 0.72197(18) 0.0345(3) Uani 1 1 d . . .
H22 H 0.1760 0.3686 0.7177 0.041 Uiso 1 1 calc R U .
C23 C 0.25663(8) 0.36139(5) 0.62434(16) 0.0311(3) Uani 1 1 d . . .
H23 H 0.2336 0.3421 0.5523 0.037 Uiso 1 1 calc R U .
C24 C 0.32448(7) 0.37369(5) 0.63141(14) 0.0251(3) Uani 1 1 d . . .
H24 H 0.3480 0.3620 0.5654 0.030 Uiso 1 1 calc R U .
C25 C 0.42389(7) 0.50124(4) 0.75525(12) 0.0190(2) Uani 1 1 d . . .
C26 C 0.44926(7) 0.53457(4) 0.85441(13) 0.0217(3) Uani 1 1 d . . .
H26 H 0.4926 0.5299 0.9137 0.026 Uiso 1 1 calc R U .
C27 C 0.41180(8) 0.57435(5) 0.86705(14) 0.0271(3) Uani 1 1 d . . .
H27 H 0.4295 0.5967 0.9350 0.033 Uiso 1 1 calc R U .
C28 C 0.34858(8) 0.58156(5) 0.78080(15) 0.0305(3) Uani 1 1 d . . .
H28 H 0.3227 0.6086 0.7902 0.037 Uiso 1 1 calc R U .
C29 C 0.32341(7) 0.54907(5) 0.68093(15) 0.0280(3) Uani 1 1 d . . .
H29 H 0.2803 0.5541 0.6213 0.034 Uiso 1 1 calc R U .
C30 C 0.36072(7) 0.50926(5) 0.66731(14) 0.0227(3) Uani 1 1 d . . .
H30 H 0.3432 0.4874 0.5978 0.027 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
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
O1 Si1 O1 109.83(8) 2_656 .
O1 Si1 C1 111.78(5) 2_656 .
O1 Si1 C1 114.55(5) . .
O1 Si1 C1 114.55(5) 2_656 2_656
O1 Si1 C1 111.78(5) . 2_656
C1 Si1 C1 93.67(8) . 2_656
O2 Si2 O1 108.83(6) . .
O2 Si2 C15 106.54(6) . .
O1 Si2 C15 106.88(6) . .
O2 Si2 C16 109.27(6) . .
O1 Si2 C16 110.08(6) . .
C15 Si2 C16 115.04(7) . .
O2 Si3 O2 109.76(7) 2_656 .
O2 Si3 C17 112.99(5) 2_656 2_656
O2 Si3 C17 113.24(5) . 2_656
O2 Si3 C17 113.24(5) 2_656 .
O2 Si3 C17 112.99(5) . .
C17 Si3 C17 93.93(8) 2_656 .
Si1 O1 Si2 153.11(7) . .
Si3 O2 Si2 153.76(7) . .
C2 C1 C3 128.45(11) . .
C2 C1 Si1 107.25(9) . .
C3 C1 Si1 123.08(9) . .
C1 C2 C9 123.81(11) . .
C1 C2 C2 115.80(7) . 2_656
C9 C2 C2 120.34(7) . 2_656
C4 C3 C8 118.04(12) . .
C4 C3 C1 118.88(11) . .
C8 C3 C1 122.72(12) . .
C5 C4 C3 121.09(13) . .
C5 C4 H4 119.5 . .
C3 C4 H4 119.5 . .
C6 C5 C4 120.03(13) . .
C6 C5 H5 120.0 . .
C4 C5 H5 120.0 . .
C5 C6 C7 119.75(13) . .
C5 C6 H6 120.1 . .
C7 C6 H6 120.1 . .
C8 C7 C6 120.23(13) . .
C8 C7 H7 119.9 . .
C6 C7 H7 119.9 . .
C7 C8 C3 120.83(13) . .
C7 C8 H8 119.6 . .
C3 C8 H8 119.6 . .
C14 C9 C10 119.03(13) . .
C14 C9 C2 120.20(12) . .
C10 C9 C2 120.61(12) . .
C9 C10 C11 119.91(15) . .
C9 C10 H10 120.0 . .
C11 C10 H10 120.0 . .
C12 C11 C10 120.55(15) . .
C12 C11 H11 119.7 . .
C10 C11 H11 119.7 . .
C11 C12 C13 119.99(14) . .
C11 C12 H12 120.0 . .
C13 C12 H12 120.0 . .
C12 C13 C14 119.91(16) . .
C12 C13 H13 120.0 . .
C14 C13 H13 120.0 . .
C9 C14 C13 120.56(15) . .
C9 C14 H14 119.7 . .
C13 C14 H14 119.7 . .
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 . .
C18 C17 C19 128.66(11) . .
C18 C17 Si3 107.30(9) . .
C19 C17 Si3 123.81(9) . .
C17 C18 C25 123.49(11) . .
C17 C18 C18 115.62(7) . 2_656
C25 C18 C18 120.85(7) . 2_656
C20 C19 C24 118.43(13) . .
C20 C19 C17 122.72(12) . .
C24 C19 C17 118.79(12) . .
C21 C20 C19 120.28(14) . .
C21 C20 H20 119.9 . .
C19 C20 H20 119.9 . .
C22 C21 C20 120.69(14) . .
C22 C21 H21 119.7 . .
C20 C21 H21 119.7 . .
C21 C22 C23 119.64(14) . .
C21 C22 H22 120.2 . .
C23 C22 H22 120.2 . .
C22 C23 C24 120.10(14) . .
C22 C23 H23 119.9 . .
C24 C23 H23 119.9 . .
C23 C24 C19 120.84(14) . .
C23 C24 H24 119.6 . .
C19 C24 H24 119.6 . .
C30 C25 C26 118.62(12) . .
C30 C25 C18 120.31(11) . .
C26 C25 C18 121.01(11) . .
C27 C26 C25 120.67(13) . .
C27 C26 H26 119.7 . .
C25 C26 H26 119.7 . .
C28 C27 C26 120.21(13) . .
C28 C27 H27 119.9 . .
C26 C27 H27 119.9 . .
C29 C28 C27 119.59(13) . .
C29 C28 H28 120.2 . .
C27 C28 H28 120.2 . .
C28 C29 C30 120.53(13) . .
C28 C29 H29 119.7 . .
C30 C29 H29 119.7 . .
C29 C30 C25 120.37(13) . .
C29 C30 H30 119.8 . .
C25 C30 H30 119.8 . .
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
Si1 O1 1.6129(10) 2_656
Si1 O1 1.6129(10) .
Si1 C1 1.8531(13) .
Si1 C1 1.8532(13) 2_656
Si2 O2 1.6253(10) .
Si2 O1 1.6280(10) .
Si2 C15 1.8403(15) .
Si2 C16 1.8409(16) .
Si3 O2 1.6135(10) 2_656
Si3 O2 1.6135(10) .
Si3 C17 1.8502(14) 2_656
Si3 C17 1.8502(14) .
C1 C2 1.3523(17) .
C1 C3 1.4785(17) .
C2 C9 1.4852(17) .
C2 C2 1.524(2) 2_656
C3 C4 1.3973(18) .
C3 C8 1.4007(18) .
C4 C5 1.3871(19) .
C4 H4 0.9500 .
C5 C6 1.386(2) .
C5 H5 0.9500 .
C6 C7 1.387(2) .
C6 H6 0.9500 .
C7 C8 1.386(2) .
C7 H7 0.9500 .
C8 H8 0.9500 .
C9 C14 1.391(2) .
C9 C10 1.3921(19) .
C10 C11 1.395(2) .
C10 H10 0.9500 .
C11 C12 1.376(3) .
C11 H11 0.9500 .
C12 C13 1.381(3) .
C12 H12 0.9500 .
C13 C14 1.392(2) .
C13 H13 0.9500 .
C14 H14 0.9500 .
C15 H15A 0.9800 .
C15 H15B 0.9800 .
C15 H15C 0.9800 .
C16 H16A 0.9800 .
C16 H16B 0.9800 .
C16 H16C 0.9800 .
C17 C18 1.3550(17) .
C17 C19 1.4784(18) .
C18 C25 1.4856(17) .
C18 C18 1.530(3) 2_656
C19 C20 1.3964(19) .
C19 C24 1.3986(19) .
C20 C21 1.388(2) .
C20 H20 0.9500 .
C21 C22 1.383(2) .
C21 H21 0.9500 .
C22 C23 1.383(2) .
C22 H22 0.9500 .
C23 C24 1.387(2) .
C23 H23 0.9500 .
C24 H24 0.9500 .
C25 C30 1.3975(18) .
C25 C26 1.3980(18) .
C26 C27 1.3885(19) .
C26 H26 0.9500 .
C27 C28 1.387(2) .
C27 H27 0.9500 .
C28 C29 1.385(2) .
C28 H28 0.9500 .
C29 C30 1.3894(19) .
C29 H29 0.9500 .
C30 H30 0.9500 .
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_4
O1 Si1 O1 Si2 36.04(12) 2_656 .
C1 Si1 O1 Si2 162.79(13) . .
C1 Si1 O1 Si2 -92.25(15) 2_656 .
O2 Si2 O1 Si1 -55.01(15) . .
C15 Si2 O1 Si1 -169.71(14) . .
C16 Si2 O1 Si1 64.72(16) . .
O2 Si3 O2 Si2 -34.38(13) 2_656 .
C17 Si3 O2 Si2 92.92(16) 2_656 .
C17 Si3 O2 Si2 -161.82(14) . .
O1 Si2 O2 Si3 53.31(17) . .
C15 Si2 O2 Si3 168.23(15) . .
C16 Si2 O2 Si3 -66.91(16) . .
O1 Si1 C1 C2 -116.82(9) 2_656 .
O1 Si1 C1 C2 117.45(9) . .
C1 Si1 C1 C2 1.47(6) 2_656 .
O1 Si1 C1 C3 51.55(12) 2_656 .
O1 Si1 C1 C3 -74.19(12) . .
C1 Si1 C1 C3 169.84(13) 2_656 .
C3 C1 C2 C9 6.0(2) . .
Si1 C1 C2 C9 173.51(10) . .
C3 C1 C2 C2 -171.42(13) . 2_656
Si1 C1 C2 C2 -3.88(17) . 2_656
C2 C1 C3 C4 -144.29(14) . .
Si1 C1 C3 C4 49.94(16) . .
C2 C1 C3 C8 42.8(2) . .
Si1 C1 C3 C8 -122.97(12) . .
C8 C3 C4 C5 -0.4(2) . .
C1 C3 C4 C5 -173.61(12) . .
C3 C4 C5 C6 1.6(2) . .
C4 C5 C6 C7 -1.6(2) . .
C5 C6 C7 C8 0.4(2) . .
C6 C7 C8 C3 0.9(2) . .
C4 C3 C8 C7 -0.9(2) . .
C1 C3 C8 C7 172.10(13) . .
C1 C2 C9 C14 -118.53(15) . .
C2 C2 C9 C14 58.7(2) 2_656 .
C1 C2 C9 C10 56.91(19) . .
C2 C2 C9 C10 -125.82(16) 2_656 .
C14 C9 C10 C11 0.9(2) . .
C2 C9 C10 C11 -174.61(13) . .
C9 C10 C11 C12 0.9(2) . .
C10 C11 C12 C13 -1.4(3) . .
C11 C12 C13 C14 0.0(3) . .
C10 C9 C14 C13 -2.2(2) . .
C2 C9 C14 C13 173.28(14) . .
C12 C13 C14 C9 1.8(3) . .
O2 Si3 C17 C18 115.58(9) 2_656 .
O2 Si3 C17 C18 -118.84(9) . .
C17 Si3 C17 C18 -1.52(6) 2_656 .
O2 Si3 C17 C19 -59.26(12) 2_656 .
O2 Si3 C17 C19 66.32(11) . .
C17 Si3 C17 C19 -176.37(13) 2_656 .
C19 C17 C18 C25 0.6(2) . .
Si3 C17 C18 C25 -173.88(9) . .
C19 C17 C18 C18 178.53(13) . 2_656
Si3 C17 C18 C18 4.02(16) . 2_656
C18 C17 C19 C20 -53.60(19) . .
Si3 C17 C19 C20 120.09(13) . .
C18 C17 C19 C24 129.24(14) . .
Si3 C17 C19 C24 -57.07(15) . .
C24 C19 C20 C21 -0.9(2) . .
C17 C19 C20 C21 -178.12(13) . .
C19 C20 C21 C22 -0.2(2) . .
C20 C21 C22 C23 0.5(2) . .
C21 C22 C23 C24 0.5(2) . .
C22 C23 C24 C19 -1.8(2) . .
C20 C19 C24 C23 1.9(2) . .
C17 C19 C24 C23 179.24(12) . .
C17 C18 C25 C30 -46.17(18) . .
C18 C18 C25 C30 136.03(15) 2_656 .
C17 C18 C25 C26 130.93(14) . .
C18 C18 C25 C26 -46.87(19) 2_656 .
C30 C25 C26 C27 1.32(19) . .
C18 C25 C26 C27 -175.83(12) . .
C25 C26 C27 C28 -0.2(2) . .
C26 C27 C28 C29 -0.7(2) . .
C27 C28 C29 C30 0.5(2) . .
C28 C29 C30 C25 0.7(2) . .
C26 C25 C30 C29 -1.56(19) . .
C18 C25 C30 C29 175.61(12) . .
