#------------------------------------------------------------------------------
#$Date: 2016-02-18 17:37:37 +0200 (Thu, 18 Feb 2016) $
#$Revision: 176729 $
#$URL: svn://www.crystallography.net/cod/cif/1/50/33/1503334.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_1503334
loop_
_publ_author_name
'Sánchez-Larios, Eduardo'
'Holmes, Janice M.'
'Daschner, Crystal L.'
'Gravel, Michel'
_publ_section_title
;
 NHC-catalyzed spiro bis-indane formation via domino Stetter-aldol-Michael
 and Stetter-aldol-aldol reactions.
;
_journal_issue                   24
_journal_name_full               'Organic letters'
_journal_page_first              5772
_journal_page_last               5775
_journal_paper_doi               10.1021/ol102685u
_journal_volume                  12
_journal_year                    2010
_chemical_formula_moiety         'C32 H24 O4'
_chemical_formula_sum            'C32 H24 O4'
_chemical_formula_weight         472.51
_chemical_name_systematic
; 
 ? 
;
_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           'manual editing of SHELXL template'
_cell_angle_alpha                90.00
_cell_angle_beta                 98.367(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.3211(6)
_cell_length_b                   18.0094(9)
_cell_length_c                   11.1151(6)
_cell_measurement_reflns_used    9984
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      69.3
_cell_measurement_theta_min      4.02
_cell_volume                     2440.1(2)
_computing_cell_refinement
'Saint V7.53A and SADABS V2008/1 (Apex2, v2009.3-0; Bruker AXS)'
_computing_data_collection       'Bruker Instrument Service v2009, 9, 0, 0'
_computing_data_reduction
'Saint V7.53A and SADABS V2008/1 (Apex2, v2009.3-0, Bruker AXS)'
_computing_molecular_graphics
' Cameron (WinGX v1.80.05 2009), Ortep (SHELXTL-NT v6.14, Bruker AXS)'
_computing_publication_material  'WinGX v1.80.05 2009 (L. J. Farrugia)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution
; SIR-2004 (M. C. Burla, R. Caliandro, M. Camalli, B. Carrozzini, 
  G. L. Cascarano, L. De Caro, C. Giacovazzo, G. Polidori
  and R. Spagna, 2005) 
;
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.950
_diffrn_measured_fraction_theta_max 0.950
_diffrn_measurement_device       '62mm 4K CCD camera on D85 goniostat'
_diffrn_measurement_device_type  'Proteum R Smart 6000 (Bruker AXS)'
_diffrn_measurement_method       'CCD rotation images, ω scans'
_diffrn_radiation_monochromator  'Montel200 multilayer graded optics'
_diffrn_radiation_source         'Bruker AXS FR591, fine-focus rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0528
_diffrn_reflns_av_sigmaI/netI    0.0664
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            14484
_diffrn_reflns_theta_full        69.44
_diffrn_reflns_theta_max         69.44
_diffrn_reflns_theta_min         4.38
_exptl_absorpt_coefficient_mu    0.673
_exptl_absorpt_correction_T_max  0.8821
_exptl_absorpt_correction_T_min  0.8687
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Apex2, Bruker AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             992
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.428
_refine_diff_density_min         -0.264
_refine_diff_density_rms         0.075
_refine_ls_extinction_coef       0.0206(13)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         4351
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0567
_refine_ls_R_factor_gt           0.0555
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0789P)²+0.5250P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1404
_refine_ls_wR_factor_ref         0.1420
_reflns_number_gt                4152
_reflns_number_total             4351
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol102685u_si_003.cif
_cod_data_source_block           1397
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1503334
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_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_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
O1 O 0.72372(8) 0.14957(6) -0.03684(9) 0.0460(3) Uani 1 1 d .
O1' O 0.74758(9) 0.04389(6) 0.17691(12) 0.0554(3) Uani 1 1 d .
O2 O 1.08829(10) 0.07247(6) 0.38235(11) 0.0544(3) Uani 1 1 d .
O2' O 0.60393(9) 0.26600(6) 0.28109(11) 0.0482(3) Uani 1 1 d .
H21' H 0.6504(18) 0.2910(13) 0.3362(19) 0.065(6) Uiso 1 1 d .
C1 C 0.81397(11) 0.14882(7) 0.02610(12) 0.0356(3) Uani 1 1 d .
C1' C 0.73981(10) 0.17203(7) 0.22706(12) 0.0344(3) Uani 1 1 d .
H1' H 0.7684 0.1790 0.3152 0.041 Uiso 1 1 calc R
C2 C 0.83812(10) 0.18235(7) 0.15531(12) 0.0328(3) Uani 1 1 d .
C2' C 0.65952(11) 0.23738(8) 0.18768(13) 0.0386(3) Uani 1 1 d .
H2' H 0.6037 0.2202 0.1189 0.046 Uiso 1 1 calc R
C3 C 0.94919(10) 0.14626(7) 0.20844(12) 0.0337(3) Uani 1 1 d .
H3 H 0.9311 0.0999 0.2508 0.040 Uiso 1 1 calc R
C3' C 0.73259(11) 0.29395(8) 0.13982(13) 0.0380(3) Uani 1 1 d .
C4 C 0.99689(11) 0.12186(7) 0.09656(13) 0.0362(3) Uani 1 1 d .
C4' C 0.70631(13) 0.36733(8) 0.10793(14) 0.0451(4) Uani 1 1 d .
H4' H 0.6357 0.3867 0.1145 0.054 Uiso 1 1 calc .
C5 C 1.10260(12) 0.09788(9) 0.08699(15) 0.0446(4) Uani 1 1 d .
H5 H 1.1584 0.0984 0.1557 0.053 Uiso 1 1 calc .
C5' C 0.78526(15) 0.41159(8) 0.06650(14) 0.0481(4) Uani 1 1 d .
H5' H 0.7681 0.4615 0.0432 0.058 Uiso 1 1 calc .
C6 C 1.12472(13) 0.07312(9) -0.02562(16) 0.0506(4) Uani 1 1 d .
H6 H 1.1965 0.0562 -0.0330 0.061 Uiso 1 1 calc .
C6' C 0.88930(14) 0.38380(8) 0.05866(13) 0.0447(4) Uani 1 1 d .
H6' H 0.9431 0.4152 0.0323 0.054 Uiso 1 1 calc .
C7 C 1.04468(15) 0.07251(9) -0.12753(15) 0.0503(4) Uani 1 1 d .
H7 H 1.0623 0.0553 -0.2031 0.060 Uiso 1 1 calc .
C7' C 0.91521(12) 0.31012(8) 0.08930(13) 0.0393(3) Uani 1 1 d .
H7' H 0.9858 0.2908 0.0823 0.047 Uiso 1 1 calc .
C8 C 0.93959(14) 0.09681(8) -0.11942(14) 0.0437(4) Uani 1 1 d .
H8 H 0.8842 0.0968 -0.1885 0.052 Uiso 1 1 calc .
C8' C 0.83610(11) 0.26553(7) 0.13016(12) 0.0349(3) Uani 1 1 d .
C9 C 0.91737(12) 0.12143(7) -0.00645(13) 0.0370(3) Uani 1 1 d .
C9' C 0.69291(11) 0.09345(8) 0.21190(12) 0.0374(3) Uani 1 1 d .
C10 C 1.02785(11) 0.19067(8) 0.30078(12) 0.0369(3) Uani 1 1 d .
H10A H 1.0749 0.2224 0.2571 0.044 Uiso 1 1 calc R
H10B H 0.9850 0.2235 0.3477 0.044 Uiso 1 1 calc R
C10' C 0.57953(12) 0.07668(8) 0.23694(13) 0.0407(3) Uani 1 1 d .
C11 C 1.10012(11) 0.13956(8) 0.38811(13) 0.0400(4) Uani 1 1 d .
C11' C 0.52154(15) 0.02097(10) 0.16896(17) 0.0558(4) Uani 1 1 d .
H11' H 0.5542 -0.0053 0.1094 0.067 Uiso 1 1 calc .
C12 C 1.18442(12) 0.17192(9) 0.48376(14) 0.0451(4) Uani 1 1 d .
C12' C 0.41492(17) 0.00381(13) 0.1887(2) 0.0781(7) Uani 1 1 d .
H12' H 0.3740 -0.0329 0.1402 0.094 Uiso 1 1 calc .
C13 C 1.22422(15) 0.12709(12) 0.58335(16) 0.0580(5) Uani 1 1 d .
H13 H 1.1960 0.0783 0.5893 0.070 Uiso 1 1 calc .
C13' C 0.36923(15) 0.03990(14) 0.2778(3) 0.0832(8) Uani 1 1 d .
H13' H 0.2971 0.0275 0.2916 0.100 Uiso 1 1 calc .
C14 C 1.30457(18) 0.15359(16) 0.67310(19) 0.0766(7) Uani 1 1 d .
H14 H 1.3310 0.1232 0.7409 0.092 Uiso 1 1 calc .
C14' C 0.42680(17) 0.09370(13) 0.3472(2) 0.0735(7) Uani 1 1 d .
H14' H 0.3949 0.1178 0.4095 0.088 Uiso 1 1 calc .
C15 C 1.34630(17) 0.22416(16) 0.6642(2) 0.0807(7) Uani 1 1 d .
H15 H 1.4022 0.2420 0.7252 0.097 Uiso 1 1 calc .
C15' C 0.53183(13) 0.11317(10) 0.32669(16) 0.0516(4) Uani 1 1 d .
H15' H 0.5709 0.1512 0.3737 0.062 Uiso 1 1 calc .
C16 C 1.30728(17) 0.26863(14) 0.5674(2) 0.0780(6) Uani 1 1 d .
H16 H 1.3360 0.3173 0.5621 0.094 Uiso 1 1 calc .
C17 C 1.22569(14) 0.24296(11) 0.47653(18) 0.0582(5) Uani 1 1 d .
H17 H 1.1986 0.2742 0.4100 0.070 Uiso 1 1 calc .
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0181 0.0091 '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 0.0492 0.0322 '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
C2' O2' H21' 110.7(14)
O1 C1 C9 127.93(13)
O1 C1 C2 124.21(12)
C9 C1 C2 107.77(11)
C9' C1' C2 111.36(11)
C9' C1' C2' 116.99(11)
C2 C1' C2' 106.00(11)
C9' C1' H1' 107.4
C2 C1' H1' 107.4
C2' C1' H1' 107.4
C8' C2 C1 102.58(10)
C8' C2 C3 118.14(11)
C1 C2 C3 103.27(10)
C8' C2 C1' 102.62(10)
C1 C2 C1' 111.75(10)
C3 C2 C1' 117.66(11)
O2' C2' C3' 112.89(11)
O2' C2' C1' 114.99(12)
C3' C2' C1' 102.84(11)
O2' C2' H2' 108.6
C3' C2' H2' 108.6
C1' C2' H2' 108.6
C4 C3 C10 114.73(11)
C4 C3 C2 103.59(10)
C10 C3 C2 118.26(11)
C4 C3 H3 106.5
C10 C3 H3 106.5
C2 C3 H3 106.5
C8' C3' C4' 120.68(13)
C8' C3' C2' 112.31(12)
C4' C3' C2' 127.01(13)
C5 C4 C9 119.30(13)
C5 C4 C3 129.19(13)
C9 C4 C3 111.42(12)
C5' C4' C3' 118.75(14)
C5' C4' H4' 120.6
C3' C4' H4' 120.6
C4 C5 C6 118.43(15)
C4 C5 H5 120.8
C6 C5 H5 120.8
C4' C5' C6' 120.75(14)
C4' C5' H5' 119.6
C6' C5' H5' 119.6
C7 C6 C5 121.79(14)
C7 C6 H6 119.1
C5 C6 H6 119.1
C5' C6' C7' 120.48(14)
C5' C6' H6' 119.8
C7' C6' H6' 119.8
C8 C7 C6 120.32(14)
C8 C7 H7 119.8
C6 C7 H7 119.8
C8' C7' C6' 118.88(13)
C8' C7' H7' 120.6
C6' C7' H7' 120.6
C7 C8 C9 117.87(15)
C7 C8 H8 121.1
C9 C8 H8 121.1
C7' C8' C3' 120.44(13)
C7' C8' C2 129.41(12)
C3' C8' C2 109.75(11)
C4 C9 C8 122.28(13)
C4 C9 C1 109.20(12)
C8 C9 C1 128.52(14)
O1' C9' C10' 119.19(13)
O1' C9' C1' 119.79(12)
C10' C9' C1' 121.01(12)
C11 C10 C3 111.41(12)
C11 C10 H10A 109.3
C3 C10 H10A 109.3
C11 C10 H10B 109.3
C3 C10 H10B 109.3
H10A C10 H10B 108.0
C11' C10' C15' 119.50(15)
C11' C10' C9' 117.73(14)
C15' C10' C9' 122.75(14)
O2 C11 C12 119.38(13)
O2 C11 C10 120.70(13)
C12 C11 C10 119.90(13)
C10' C11' C12' 119.7(2)
C10' C11' H11' 120.2
C12' C11' H11' 120.2
C17 C12 C13 119.33(16)
C17 C12 C11 122.92(15)
C13 C12 C11 117.74(16)
C13' C12' C11' 120.1(2)
C13' C12' H12' 119.9
C11' C12' H12' 119.9
C14 C13 C12 120.2(2)
C14 C13 H13 119.9
C12 C13 H13 119.9
C14' C13' C12' 120.53(17)
C14' C13' H13' 119.7
C12' C13' H13' 119.7
C15 C14 C13 120.0(2)
C15 C14 H14 120.0
C13 C14 H14 120.0
C13' C14' C15' 120.3(2)
C13' C14' H14' 119.9
C15' C14' H14' 119.9
C16 C15 C14 120.18(19)
C16 C15 H15 119.9
C14 C15 H15 119.9
C14' C15' C10' 119.84(19)
C14' C15' H15' 120.1
C10' C15' H15' 120.1
C15 C16 C17 120.5(2)
C15 C16 H16 119.7
C17 C16 H16 119.7
C12 C17 C16 119.76(19)
C12 C17 H17 120.1
C16 C17 H17 120.1
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O1 C1 1.2247(17)
O1' C9' 1.2156(18)
O2 C11 1.2177(19)
O2' C2' 1.4212(18)
O2' H21' 0.90(2)
C1 C9 1.4599(19)
C1 C2 1.5464(18)
C1' C9' 1.5286(19)
C1' C2 1.5553(17)
C1' C2' 1.5586(19)
C1' H1' 1.0000
C2 C8' 1.5234(18)
C2 C3 1.5521(18)
C2' C3' 1.507(2)
C2' H2' 1.0000
C3 C4 1.5158(18)
C3 C10 1.5308(18)
C3 H3 1.0000
C3' C8' 1.3927(19)
C3' C4' 1.394(2)
C4 C5 1.391(2)
C4 C9 1.395(2)
C4' C5' 1.387(2)
C4' H4' 0.9500
C5 C6 1.393(2)
C5 H5 0.9500
C5' C6' 1.391(2)
C5' H5' 0.9500
C6 C7 1.389(3)
C6 H6 0.9500
C6' C7' 1.395(2)
C6' H6' 0.9500
C7 C8 1.382(2)
C7 H7 0.9500
C7' C8' 1.389(2)
C7' H7' 0.9500
C8 C9 1.396(2)
C8 H8 0.9500
C9' C10' 1.4944(19)
C10 C11 1.5267(19)
C10 H10A 0.9900
C10 H10B 0.9900
C10' C11' 1.390(2)
C10' C15' 1.394(2)
C11 C12 1.492(2)
C11' C12' 1.398(3)
C11' H11' 0.9500
C12 C17 1.383(3)
C12 C13 1.400(2)
C12' C13' 1.373(4)
C12' H12' 0.9500
C13 C14 1.384(3)
C13 H13 0.9500
C13' C14' 1.370(4)
C13' H13' 0.9500
C14 C15 1.380(4)
C14 H14 0.9500
C14' C15' 1.391(2)
C14' H14' 0.9500
C15 C16 1.371(4)
C15 H15 0.9500
C15' H15' 0.9500
C16 C17 1.396(3)
C16 H16 0.9500
C17 H17 0.9500
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
_geom_hbond_publ_flag
O(2') H(21') O(1) 0.90(2) 1.89(2) 2.7779(15) 169(2) 4_566 y
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
O1 C1 C2 C8' -73.63(16)
C9 C1 C2 C8' 103.17(12)
O1 C1 C2 C3 163.06(13)
C9 C1 C2 C3 -20.14(13)
O1 C1 C2 C1' 35.64(18)
C9 C1 C2 C1' -147.56(11)
C9' C1' C2 C8' 153.70(11)
C2' C1' C2 C8' 25.45(13)
C9' C1' C2 C1 44.45(15)
C2' C1' C2 C1 -83.80(13)
C9' C1' C2 C3 -74.77(14)
C2' C1' C2 C3 156.98(11)
C9' C1' C2' O2' 90.71(14)
C2 C1' C2' O2' -144.45(11)
C9' C1' C2' C3' -146.18(11)
C2 C1' C2' C3' -21.34(13)
C8' C2 C3 C4 -91.45(13)
C1 C2 C3 C4 20.89(13)
C1' C2 C3 C4 144.49(11)
C8' C2 C3 C10 36.76(17)
C1 C2 C3 C10 149.09(11)
C1' C2 C3 C10 -87.30(15)
O2' C2' C3' C8' 133.44(13)
C1' C2' C3' C8' 8.93(15)
O2' C2' C3' C4' -46.0(2)
C1' C2' C3' C4' -170.50(14)
C10 C3 C4 C5 37.4(2)
C2 C3 C4 C5 167.73(14)
C10 C3 C4 C9 -146.04(12)
C2 C3 C4 C9 -15.68(14)
C8' C3' C4' C5' -0.1(2)
C2' C3' C4' C5' 179.32(14)
C9 C4 C5 C6 -1.0(2)
C3 C4 C5 C6 175.41(14)
C3' C4' C5' C6' -1.0(2)
C4 C5 C6 C7 0.6(2)
C4' C5' C6' C7' 1.7(2)
C5 C6 C7 C8 0.0(3)
C5' C6' C7' C8' -1.3(2)
C6 C7 C8 C9 -0.2(2)
C6' C7' C8' C3' 0.3(2)
C6' C7' C8' C2 172.23(13)
C4' C3' C8' C7' 0.4(2)
C2' C3' C8' C7' -179.02(12)
C4' C3' C8' C2 -172.97(12)
C2' C3' C8' C2 7.56(16)
C1 C2 C8' C7' -77.22(17)
C3 C2 C8' C7' 35.5(2)
C1' C2 C8' C7' 166.73(14)
C1 C2 C8' C3' 95.43(12)
C3 C2 C8' C3' -151.86(12)
C1' C2 C8' C3' -20.61(14)
C5 C4 C9 C8 0.8(2)
C3 C4 C9 C8 -176.16(13)
C5 C4 C9 C1 -179.97(13)
C3 C4 C9 C1 3.06(15)
C7 C8 C9 C4 -0.2(2)
C7 C8 C9 C1 -179.30(14)
O1 C1 C9 C4 -172.18(14)
C2 C1 C9 C4 11.17(15)
O1 C1 C9 C8 7.0(2)
C2 C1 C9 C8 -169.67(14)
C2 C1' C9' O1' 18.52(18)
C2' C1' C9' O1' 140.61(14)
C2 C1' C9' C10' -160.17(12)
C2' C1' C9' C10' -38.08(18)
C4 C3 C10 C11 -85.54(14)
C2 C3 C10 C11 151.69(11)
O1' C9' C10' C11' -30.5(2)
C1' C9' C10' C11' 148.22(14)
O1' C9' C10' C15' 147.92(16)
C1' C9' C10' C15' -33.4(2)
C3 C10 C11 O2 -2.88(19)
C3 C10 C11 C12 178.66(12)
C15' C10' C11' C12' 2.0(2)
C9' C10' C11' C12' -179.51(15)
O2 C11 C12 C17 160.67(16)
C10 C11 C12 C17 -20.8(2)
O2 C11 C12 C13 -18.0(2)
C10 C11 C12 C13 160.50(14)
C10' C11' C12' C13' -2.4(3)
C17 C12 C13 C14 -0.4(3)
C11 C12 C13 C14 178.29(16)
C11' C12' C13' C14' 0.9(3)
C12 C13 C14 C15 -0.5(3)
C12' C13' C14' C15' 1.0(3)
C13 C14 C15 C16 0.9(3)
C13' C14' C15' C10' -1.4(3)
C11' C10' C15' C14' -0.2(2)
C9' C10' C15' C14' -178.54(15)
C14 C15 C16 C17 -0.5(4)
C13 C12 C17 C16 0.9(3)
C11 C12 C17 C16 -177.76(17)
C15 C16 C17 C12 -0.4(3)
