#------------------------------------------------------------------------------
#$Date: 2016-02-20 22:30:07 +0200 (Sat, 20 Feb 2016) $
#$Revision: 176789 $
#$URL: svn://www.crystallography.net/cod/cif/2/22/59/2225975.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_2225975
loop_
_publ_author_name
'Zhang, Xiuqin'
'Cui, Yuan'
'Yu, Bin'
'Sun, Xiaoqiang'
'Chen, Qiang'
_publ_section_title
;
 3,9-Di-1-naphthyl-2,4,8,10-tetraoxaspiro[5.5]undecane
;
_journal_coeditor_code           SI2258
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1191
_journal_paper_doi               10.1107/S1600536810014741
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C27 H24 O4'
_chemical_formula_moiety         'C27 H24 O4'
_chemical_formula_sum            'C27 H24 O4'
_chemical_formula_weight         412.46
_chemical_name_systematic
;
3,9-Di-1-naphthyl-2,4,8,10-tetraoxaspiro[5.5]undecane
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 95.447(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.9040(15)
_cell_length_b                   5.7761(6)
_cell_length_c                   24.238(2)
_cell_measurement_reflns_used    4101
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      28.88
_cell_measurement_theta_min      2.75
_cell_volume                     2077.2(3)
_computing_cell_refinement       'SAINT (Bruker, 2003)'
_computing_data_collection       'APEX2 (Bruker, 2003)'
_computing_data_reduction        'SAINT (Bruker, 2003)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       'φ and 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  0.0239
_diffrn_reflns_av_sigmaI/netI    0.0277
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            11731
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.37
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.9835
_exptl_absorpt_correction_T_min  0.9810
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             872
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.160
_refine_diff_density_min         -0.171
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         4067
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0631
_refine_ls_R_factor_gt           0.0424
_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)+(0.1000P)²+0.1334P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1360
_refine_ls_wR_factor_ref         0.1577
_reflns_number_gt                2961
_reflns_number_total             4067
_reflns_threshold_expression     I>2σ(I)
_cod_data_source_file            si2258.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        2077.1(4)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2225975
_cod_database_fobs_code          2225975
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -y-1/2, z-1/2'
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
O O1 0.13414(8) 0.84377(18) 0.45655(4) 0.0446(3) Uani d . 1 . .
O O2 0.22638(8) 0.6064(2) 0.40974(4) 0.0515(3) Uani d . 1 . .
O O3 0.26584(7) 0.18521(18) 0.56082(5) 0.0480(3) Uani d . 1 . .
O O4 0.36401(8) 0.4833(2) 0.54471(5) 0.0547(3) Uani d . 1 . .
C C1 0.34069(15) -0.1745(4) 0.71697(8) 0.0678(6) Uani d . 1 . .
H H1 0.2942 -0.1732 0.7400 0.081 Uiso calc R 1 . .
C C2 0.40805(16) -0.3418(4) 0.72465(9) 0.0720(6) Uani d . 1 . .
H H2 0.4063 -0.4513 0.7527 0.086 Uiso calc R 1 . .
C C3 0.47631(14) -0.3452(3) 0.69128(9) 0.0650(6) Uani d . 1 . .
H H3 0.5207 -0.4584 0.6965 0.078 Uiso calc R 1 . .
C C4 0.48080(12) -0.1802(3) 0.64906(8) 0.0539(5) Uani d . 1 . .
C C5 0.55262(13) -0.1798(4) 0.61468(9) 0.0700(6) Uani d . 1 . .
H H5 0.5969 -0.2934 0.6193 0.084 Uiso calc R 1 . .
C C6 0.55731(14) -0.0168(4) 0.57552(10) 0.0790(7) Uani d . 1 . .
H H6 0.6062 -0.0149 0.5543 0.095 Uiso calc R 1 . .
C C7 0.48923(13) 0.1507(4) 0.56622(9) 0.0653(5) Uani d . 1 . .
H H7 0.4933 0.2611 0.5386 0.078 Uiso calc R 1 . .
C C8 0.41737(12) 0.1540(3) 0.59693(7) 0.0488(4) Uani d . 1 . .
C C9 0.41222(11) -0.0103(3) 0.64054(7) 0.0463(4) Uani d . 1 . .
C C10 0.34223(12) -0.0132(3) 0.67623(7) 0.0556(5) Uani d . 1 . .
H H10 0.2966 0.0970 0.6717 0.067 Uiso calc R 1 . .
C C11 0.34087(11) 0.3197(3) 0.58327(7) 0.0460(4) Uani d . 1 . .
H H11 0.3259 0.3980 0.6171 0.055 Uiso calc R 1 . .
C C12 0.18859(11) 0.3248(3) 0.54602(7) 0.0488(4) Uani d . 1 . .
H H12A 0.1679 0.3917 0.5793 0.059 Uiso calc R 1 . .
H H12B 0.1406 0.2283 0.5288 0.059 Uiso calc R 1 . .
C C13 0.29204(12) 0.6434(3) 0.53143(7) 0.0523(5) Uani d . 1 . .
H H13A 0.3104 0.7575 0.5054 0.063 Uiso calc R 1 . .
H H13B 0.2784 0.7239 0.5648 0.063 Uiso calc R 1 . .
C C14 0.20848(10) 0.5180(3) 0.50633(6) 0.0406(4) Uani d . 1 . .
C C15 0.12684(12) 0.6778(3) 0.49917(7) 0.0495(4) Uani d . 1 . .
H H15A 0.0729 0.5857 0.4904 0.059 Uiso calc R 1 . .
H H15B 0.1207 0.7576 0.5338 0.059 Uiso calc R 1 . .
C C16 0.22281(12) 0.4224(3) 0.44935(7) 0.0506(4) Uani d . 1 . .
H H16A 0.2787 0.3353 0.4515 0.061 Uiso calc R 1 . .
H H16B 0.1739 0.3179 0.4373 0.061 Uiso calc R 1 . .
C C17 0.14617(11) 0.7325(3) 0.40554(6) 0.0413(4) Uani d . 1 . .
H H17 0.0954 0.6281 0.3956 0.050 Uiso calc R 1 . .
C C18 0.14747(11) 0.9196(3) 0.36260(6) 0.0430(4) Uani d . 1 . .
C C19 0.22421(13) 0.9714(3) 0.33883(7) 0.0554(5) Uani d . 1 . .
H H19 0.2755 0.8813 0.3470 0.066 Uiso calc R 1 . .
C C20 0.22692(15) 1.1598(4) 0.30208(8) 0.0674(6) Uani d . 1 . .
H H20 0.2796 1.1916 0.2858 0.081 Uiso calc R 1 . .
C C21 0.15360(16) 1.2942(4) 0.29038(7) 0.0670(6) Uani d . 1 . .
H H21 0.1569 1.4206 0.2669 0.080 Uiso calc R 1 . .
C C22 0.07234(14) 1.2462(3) 0.31316(7) 0.0535(5) Uani d . 1 . .
C C23 0.06793(12) 1.0532(3) 0.34917(6) 0.0442(4) Uani d . 1 . .
C C24 -0.01615(12) 1.0029(3) 0.36927(7) 0.0543(5) Uani d . 1 . .
H H24 -0.0207 0.8775 0.3929 0.065 Uiso calc R 1 . .
C C25 -0.09045(14) 1.1344(4) 0.35467(8) 0.0687(6) Uani d . 1 . .
H H25 -0.1452 1.0951 0.3676 0.082 Uiso calc R 1 . .
C C26 -0.08524(17) 1.3280(4) 0.32048(9) 0.0761(7) Uani d . 1 . .
H H26 -0.1359 1.4193 0.3114 0.091 Uiso calc R 1 . .
C C27 -0.00558(17) 1.3820(4) 0.30050(8) 0.0711(6) Uani d . 1 . .
H H27 -0.0024 1.5114 0.2780 0.085 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'
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
C17 O1 C15 . . 110.63(12) ?
C17 O2 C16 . . 110.43(13) ?
C12 O3 C11 . . 111.94(13) ?
C11 O4 C13 . . 111.16(14) ?
C10 C1 C2 . . 120.7(2) ?
C10 C1 H1 . . 119.6 ?
C2 C1 H1 . . 119.6 ?
C3 C2 C1 . . 120.09(19) ?
C3 C2 H2 . . 120.0 ?
C1 C2 H2 . . 120.0 ?
C2 C3 C4 . . 120.93(19) ?
C2 C3 H3 . . 119.5 ?
C4 C3 H3 . . 119.5 ?
C3 C4 C5 . . 121.35(18) ?
C3 C4 C9 . . 119.49(19) ?
C5 C4 C9 . . 119.16(17) ?
C6 C5 C4 . . 120.62(19) ?
C6 C5 H5 . . 119.7 ?
C4 C5 H5 . . 119.7 ?
C5 C6 C7 . . 120.7(2) ?
C5 C6 H6 . . 119.6 ?
C7 C6 H6 . . 119.6 ?
C8 C7 C6 . . 121.05(19) ?
C8 C7 H7 . . 119.5 ?
C6 C7 H7 . . 119.5 ?
C7 C8 C9 . . 119.73(16) ?
C7 C8 C11 . . 120.58(16) ?
C9 C8 C11 . . 119.59(16) ?
C10 C9 C4 . . 117.72(16) ?
C10 C9 C8 . . 123.65(16) ?
C4 C9 C8 . . 118.63(17) ?
C1 C10 C9 . . 121.03(18) ?
C1 C10 H10 . . 119.5 ?
C9 C10 H10 . . 119.5 ?
O4 C11 O3 . . 110.36(12) ?
O4 C11 C8 . . 110.41(14) ?
O3 C11 C8 . . 106.74(13) ?
O4 C11 H11 . . 109.8 ?
O3 C11 H11 . . 109.8 ?
C8 C11 H11 . . 109.8 ?
O3 C12 C14 . . 111.92(13) ?
O3 C12 H12A . . 109.2 ?
C14 C12 H12A . . 109.2 ?
O3 C12 H12B . . 109.2 ?
C14 C12 H12B . . 109.2 ?
H12A C12 H12B . . 107.9 ?
O4 C13 C14 . . 110.57(13) ?
O4 C13 H13A . . 109.5 ?
C14 C13 H13A . . 109.5 ?
O4 C13 H13B . . 109.5 ?
C14 C13 H13B . . 109.5 ?
H13A C13 H13B . . 108.1 ?
C13 C14 C12 . . 107.37(13) ?
C13 C14 C16 . . 110.89(14) ?
C12 C14 C16 . . 111.14(13) ?
C13 C14 C15 . . 111.88(14) ?
C12 C14 C15 . . 108.36(13) ?
C16 C14 C15 . . 107.20(12) ?
O1 C15 C14 . . 112.09(13) ?
O1 C15 H15A . . 109.2 ?
C14 C15 H15A . . 109.2 ?
O1 C15 H15B . . 109.2 ?
C14 C15 H15B . . 109.2 ?
H15A C15 H15B . . 107.9 ?
O2 C16 C14 . . 110.83(13) ?
O2 C16 H16A . . 109.5 ?
C14 C16 H16A . . 109.5 ?
O2 C16 H16B . . 109.5 ?
C14 C16 H16B . . 109.5 ?
H16A C16 H16B . . 108.1 ?
O2 C17 O1 . . 110.54(11) ?
O2 C17 C18 . . 111.03(13) ?
O1 C17 C18 . . 106.80(12) ?
O2 C17 H17 . . 109.5 ?
O1 C17 H17 . . 109.5 ?
C18 C17 H17 . . 109.5 ?
C19 C18 C23 . . 119.86(16) ?
C19 C18 C17 . . 121.19(15) ?
C23 C18 C17 . . 118.84(14) ?
C18 C19 C20 . . 120.83(18) ?
C18 C19 H19 . . 119.6 ?
C20 C19 H19 . . 119.6 ?
C21 C20 C19 . . 120.41(19) ?
C21 C20 H20 . . 119.8 ?
C19 C20 H20 . . 119.8 ?
C20 C21 C22 . . 121.00(18) ?
C20 C21 H21 . . 119.5 ?
C22 C21 H21 . . 119.5 ?
C21 C22 C27 . . 121.80(19) ?
C21 C22 C23 . . 119.21(18) ?
C27 C22 C23 . . 118.98(19) ?
C24 C23 C22 . . 117.77(16) ?
C24 C23 C18 . . 123.62(15) ?
C22 C23 C18 . . 118.60(16) ?
C25 C24 C23 . . 121.35(19) ?
C25 C24 H24 . . 119.3 ?
C23 C24 H24 . . 119.3 ?
C24 C25 C26 . . 120.7(2) ?
C24 C25 H25 . . 119.7 ?
C26 C25 H25 . . 119.7 ?
C27 C26 C25 . . 119.58(19) ?
C27 C26 H26 . . 120.2 ?
C25 C26 H26 . . 120.2 ?
C26 C27 C22 . . 121.57(19) ?
C26 C27 H27 . . 119.2 ?
C22 C27 H27 . . 119.2 ?
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
O1 C17 . 1.4198(18) ?
O1 C15 . 1.4211(19) ?
O2 C17 . 1.3954(18) ?
O2 C16 . 1.437(2) ?
O3 C12 . 1.4233(18) ?
O3 C11 . 1.4265(19) ?
O4 C11 . 1.395(2) ?
O4 C13 . 1.429(2) ?
C1 C10 . 1.360(3) ?
C1 C2 . 1.393(3) ?
C1 H1 . 0.9300 ?
C2 C3 . 1.359(3) ?
C2 H2 . 0.9300 ?
C3 C4 . 1.404(3) ?
C3 H3 . 0.9300 ?
C4 C5 . 1.418(3) ?
C4 C9 . 1.418(2) ?
C5 C6 . 1.343(3) ?
C5 H5 . 0.9300 ?
C6 C7 . 1.405(3) ?
C6 H6 . 0.9300 ?
C7 C8 . 1.361(3) ?
C7 H7 . 0.9300 ?
C8 C9 . 1.428(2) ?
C8 C11 . 1.502(2) ?
C9 C10 . 1.417(3) ?
C10 H10 . 0.9300 ?
C11 H11 . 0.9800 ?
C12 C14 . 1.521(2) ?
C12 H12A . 0.9700 ?
C12 H12B . 0.9700 ?
C13 C14 . 1.517(2) ?
C13 H13A . 0.9700 ?
C13 H13B . 0.9700 ?
C14 C16 . 1.521(2) ?
C14 C15 . 1.524(2) ?
C15 H15A . 0.9700 ?
C15 H15B . 0.9700 ?
C16 H16A . 0.9700 ?
C16 H16B . 0.9700 ?
C17 C18 . 1.502(2) ?
C17 H17 . 0.9800 ?
C18 C19 . 1.362(2) ?
C18 C23 . 1.426(2) ?
C19 C20 . 1.409(3) ?
C19 H19 . 0.9300 ?
C20 C21 . 1.349(3) ?
C20 H20 . 0.9300 ?
C21 C22 . 1.406(3) ?
C21 H21 . 0.9300 ?
C22 C27 . 1.411(3) ?
C22 C23 . 1.421(2) ?
C23 C24 . 1.417(2) ?
C24 C25 . 1.362(3) ?
C24 H24 . 0.9300 ?
C25 C26 . 1.398(3) ?
C25 H25 . 0.9300 ?
C26 C27 . 1.360(3) ?
C26 H26 . 0.9300 ?
C27 H27 . 0.9300 ?
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_site_symmetry_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
_geom_hbond_publ_flag
C16 H16B Cg5 1_545 0.97 2.95 3.5827(19) 124 yes
C27 H27 Cg6 2_555 0.93 2.94 3.754(2) 147 yes
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
C10 C1 C2 C3 . . . . 0.0(3) ?
C1 C2 C3 C4 . . . . 0.6(3) ?
C2 C3 C4 C5 . . . . 178.8(2) ?
C2 C3 C4 C9 . . . . -1.1(3) ?
C3 C4 C5 C6 . . . . -178.1(2) ?
C9 C4 C5 C6 . . . . 1.9(3) ?
C4 C5 C6 C7 . . . . -2.7(4) ?
C5 C6 C7 C8 . . . . 0.7(3) ?
C6 C7 C8 C9 . . . . 2.1(3) ?
C6 C7 C8 C11 . . . . -174.38(18) ?
C3 C4 C9 C10 . . . . 1.0(2) ?
C5 C4 C9 C10 . . . . -178.95(17) ?
C3 C4 C9 C8 . . . . -179.18(15) ?
C5 C4 C9 C8 . . . . 0.9(2) ?
C7 C8 C9 C10 . . . . 177.00(17) ?
C11 C8 C9 C10 . . . . -6.5(2) ?
C7 C8 C9 C4 . . . . -2.8(2) ?
C11 C8 C9 C4 . . . . 173.70(14) ?
C2 C1 C10 C9 . . . . -0.1(3) ?
C4 C9 C10 C1 . . . . -0.4(2) ?
C8 C9 C10 C1 . . . . 179.76(17) ?
C13 O4 C11 O3 . . . . 62.51(17) ?
C13 O4 C11 C8 . . . . -179.72(12) ?
C12 O3 C11 O4 . . . . -59.83(17) ?
C12 O3 C11 C8 . . . . -179.84(13) ?
C7 C8 C11 O4 . . . . -11.1(2) ?
C9 C8 C11 O4 . . . . 172.40(13) ?
C7 C8 C11 O3 . . . . 108.84(19) ?
C9 C8 C11 O3 . . . . -67.62(18) ?
C11 O3 C12 C14 . . . . 55.23(17) ?
C11 O4 C13 C14 . . . . -60.70(17) ?
O4 C13 C14 C12 . . . . 53.24(18) ?
O4 C13 C14 C16 . . . . -68.36(17) ?
O4 C13 C14 C15 . . . . 172.01(13) ?
O3 C12 C14 C13 . . . . -51.13(18) ?
O3 C12 C14 C16 . . . . 70.32(17) ?
O3 C12 C14 C15 . . . . -172.14(13) ?
C17 O1 C15 C14 . . . . 56.96(17) ?
C13 C14 C15 O1 . . . . 70.48(17) ?
C12 C14 C15 O1 . . . . -171.34(13) ?
C16 C14 C15 O1 . . . . -51.30(18) ?
C17 O2 C16 C14 . . . . -59.81(17) ?
C13 C14 C16 O2 . . . . -70.38(17) ?
C12 C14 C16 O2 . . . . 170.25(13) ?
C15 C14 C16 O2 . . . . 52.01(18) ?
C16 O2 C17 O1 . . . . 63.95(16) ?
C16 O2 C17 C18 . . . . -177.72(12) ?
C15 O1 C17 O2 . . . . -62.50(17) ?
C15 O1 C17 C18 . . . . 176.62(13) ?
O2 C17 C18 C19 . . . . -9.1(2) ?
O1 C17 C18 C19 . . . . 111.48(16) ?
O2 C17 C18 C23 . . . . 174.59(12) ?
O1 C17 C18 C23 . . . . -64.84(17) ?
C23 C18 C19 C20 . . . . 1.7(2) ?
C17 C18 C19 C20 . . . . -174.60(15) ?
C18 C19 C20 C21 . . . . 0.9(3) ?
C19 C20 C21 C22 . . . . -1.8(3) ?
C20 C21 C22 C27 . . . . -178.67(17) ?
C20 C21 C22 C23 . . . . 0.2(3) ?
C21 C22 C23 C24 . . . . -176.99(15) ?
C27 C22 C23 C24 . . . . 1.9(2) ?
C21 C22 C23 C18 . . . . 2.3(2) ?
C27 C22 C23 C18 . . . . -178.80(14) ?
C19 C18 C23 C24 . . . . 176.01(15) ?
C17 C18 C23 C24 . . . . -7.6(2) ?
C19 C18 C23 C22 . . . . -3.2(2) ?
C17 C18 C23 C22 . . . . 173.15(13) ?
C22 C23 C24 C25 . . . . 0.0(2) ?
C18 C23 C24 C25 . . . . -179.21(16) ?
C23 C24 C25 C26 . . . . -1.8(3) ?
C24 C25 C26 C27 . . . . 1.6(3) ?
C25 C26 C27 C22 . . . . 0.4(3) ?
C21 C22 C27 C26 . . . . 176.72(19) ?
C23 C22 C27 C26 . . . . -2.2(3) ?
