#------------------------------------------------------------------------------
#$Date: 2016-03-23 02:29:14 +0200 (Wed, 23 Mar 2016) $
#$Revision: 179181 $
#$URL: svn://www.crystallography.net/cod/cif/4/31/29/4312916.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_4312916
loop_
_publ_author_name
'Arindam Mukherjee'
'Indranil Rudra'
'Munirathinam Nethaji'
'Suryanarayanasastry Ramasesha'
'Akhil R. Chakravarty'
_publ_section_title
;
 Synthesis, Crystal Structure, and Magnetic Properties of an
 Alkoxo-Hydroxo-Bridged Octanuclear Copper(II) Complex Showing Chemically
 Significant Hydrogen-Bonding Interactions Involving a Metallamacrocyclic
 Core
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              463
_journal_page_last               468
_journal_paper_doi               10.1021/ic020399n
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'C68 H64 Cu8 N8 O16'
_chemical_formula_weight         1757.59
_chemical_name_systematic
;
  ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 125.33(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   30.365(3)
_cell_length_b                   14.320(2)
_cell_length_c                   19.019(2)
_cell_measurement_temperature    293(2)
_cell_volume                     6747(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP-3 for windows (Farrugia, 1997)'
_computing_publication_material  'WINGX publication routines (Farrugia, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick. 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.964
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type  'Bruker SMART CCD detector'
_diffrn_measurement_method       'Phi and omega 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  0.1135
_diffrn_reflns_av_sigmaI/netI    0.1162
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       -39
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            20282
_diffrn_reflns_theta_full        28.01
_diffrn_reflns_theta_max         28.01
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    2.546
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.730
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Hexagonal
_exptl_crystal_F_000             3552
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.149
_refine_diff_density_min         -0.872
_refine_diff_density_rms         0.138
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.872
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     451
_refine_ls_number_reflns         7864
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.872
_refine_ls_R_factor_all          0.0974
_refine_ls_R_factor_gt           0.0530
_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)+(0.0536P)²+0.0000P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1181
_refine_ls_wR_factor_ref         0.1311
_reflns_number_gt                4589
_reflns_number_total             7864
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic020399n.cif
_cod_data_source_block           ic020399n
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        6746.7(13)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4312916
#BEGIN Tags that were not found in dictionaries:
_exptl_absorpt_correction_t_min_t_max_ratio 0.828
#END Tags that were not found in dictionaries
loop_
_symmetry_equiv_pos_as_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_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_disorder_assembly
_atom_site_disorder_group
Cu4 Cu 0.87717(2) 0.77537(4) 0.64600(4) 0.03301(16) Uani 1 1 d . . .
Cu2 Cu 0.96520(2) 0.89210(4) 0.88934(4) 0.03382(16) Uani 1 1 d . . .
Cu1 Cu 0.87263(2) 0.98934(4) 0.67360(4) 0.03625(17) Uani 1 1 d . . .
Cu3 Cu 0.99925(2) 0.72982(4) 0.84025(4) 0.03268(16) Uani 1 1 d . . .
O6 O 0.93322(12) 0.7025(2) 0.6470(2) 0.0349(8) Uani 1 1 d . . .
O8 O 0.91374(12) 0.8922(2) 0.66940(19) 0.0303(7) Uani 1 1 d . . .
O2 O 0.90971(12) 0.9743(2) 0.80034(19) 0.0368(8) Uani 1 1 d . . .
O4 O 0.99951(12) 0.8643(2) 0.83241(19) 0.0317(7) Uani 1 1 d . . .
O7 O 0.81983(12) 0.8420(2) 0.6397(2) 0.0394(8) Uani 1 1 d . . .
N4 N 0.83794(15) 0.6590(3) 0.6111(3) 0.0377(10) Uani 1 1 d . . .
O1 O 0.84378(16) 1.0317(3) 0.5577(2) 0.0557(11) Uani 1 1 d . . .
N1 N 0.82781(16) 1.0759(3) 0.6836(3) 0.0397(10) Uani 1 1 d . . .
O3 O 1.01506(13) 0.8040(3) 0.9756(2) 0.0423(9) Uani 1 1 d . . .
C7 C 0.7847(2) 1.1130(4) 0.6210(4) 0.0459(13) Uani 1 1 d . . .
H7 H 0.7637 1.1457 0.6339 0.055 Uiso 1 1 calc R . .
N3 N 1.00109(16) 0.5983(3) 0.8671(3) 0.0391(10) Uani 1 1 d . . .
C28 C 0.7899(2) 0.6462(4) 0.5884(3) 0.0423(13) Uani 1 1 d . . .
H28 H 0.7750 0.5875 0.5672 0.051 Uiso 1 1 calc R . .
C1 C 0.7982(2) 1.0737(4) 0.5066(4) 0.0475(14) Uani 1 1 d . . .
C10 C 0.9024(2) 1.0089(4) 0.9172(3) 0.0458(14) Uani 1 1 d . . .
H10A H 0.9219 1.0675 0.9378 0.055 Uiso 1 1 calc R . .
H10B H 0.8767 1.0068 0.9320 0.055 Uiso 1 1 calc R . .
C9 C 0.8731(2) 1.0017(4) 0.8208(3) 0.0482(14) Uani 1 1 d . . .
H9 H 0.8463 0.9518 0.8007 0.058 Uiso 1 1 calc R . .
N2 N 0.93931(16) 0.9319(3) 0.9564(3) 0.0405(10) Uani 1 1 d . . .
C26 C 0.9120(2) 0.6163(4) 0.6047(4) 0.0550(16) Uani 1 1 d . . .
H26 H 0.8933 0.6311 0.5435 0.066 Uiso 1 1 calc R . .
O5 O 0.92537(12) 0.7410(2) 0.8053(2) 0.0369(8) Uani 1 1 d . . .
C29 C 0.75651(18) 0.7145(4) 0.5926(3) 0.0374(12) Uani 1 1 d . . .
C6 C 0.7655(2) 1.1090(3) 0.5318(3) 0.0435(13) Uani 1 1 d . . .
C34 C 0.77447(19) 0.8074(4) 0.6224(3) 0.0373(12) Uani 1 1 d . . .
C17 C 1.0190(2) 0.7779(4) 1.0449(3) 0.0419(13) Uani 1 1 d . . .
C18 C 0.90307(19) 0.6883(4) 0.8336(3) 0.0383(12) Uani 1 1 d . . .
C33 C 0.74048(19) 0.8627(4) 0.6335(3) 0.0442(13) Uani 1 1 d . . .
H33 H 0.7505 0.9239 0.6525 0.053 Uiso 1 1 calc R . .
C23 C 0.9236(2) 0.5998(4) 0.8726(4) 0.0451(13) Uani 1 1 d . . .
C16 C 1.0549(2) 0.7064(4) 1.0961(3) 0.0466(14) Uani 1 1 d . . .
H16 H 1.0738 0.6763 1.0778 0.056 Uiso 1 1 calc R . .
C32 C 0.6939(2) 0.8295(4) 0.6175(3) 0.0468(14) Uani 1 1 d . . .
H32 H 0.6738 0.8671 0.6290 0.056 Uiso 1 1 calc R . .
C8 C 0.8436(2) 1.0876(4) 0.7717(3) 0.0507(14) Uani 1 1 d . . .
H8A H 0.8119 1.0964 0.7715 0.061 Uiso 1 1 calc R . .
H8B H 0.8667 1.1420 0.7980 0.061 Uiso 1 1 calc R . .
C30 C 0.7062(2) 0.6836(4) 0.5717(3) 0.0477(14) Uani 1 1 d . . .
H30 H 0.6942 0.6240 0.5493 0.057 Uiso 1 1 calc R . .
C12 C 0.9898(2) 0.8211(5) 1.0735(3) 0.0556(16) Uani 1 1 d . . .
C2 C 0.7764(3) 1.0847(5) 0.4174(4) 0.0650(18) Uani 1 1 d . . .
H2 H 0.7965 1.0644 0.3976 0.078 Uiso 1 1 calc R . .
C11 C 0.9528(2) 0.8961(4) 1.0283(3) 0.0521(15) Uani 1 1 d . . .
H11 H 0.9367 0.9216 1.0533 0.062 Uiso 1 1 calc R . .
C31 C 0.6750(2) 0.7399(4) 0.5838(4) 0.0518(15) Uani 1 1 d . . .
H31 H 0.6419 0.7193 0.5701 0.062 Uiso 1 1 calc R . .
C24 C 0.9703(2) 0.5582(4) 0.8842(3) 0.0421(13) Uani 1 1 d . . .
H24 H 0.9791 0.4976 0.9057 0.051 Uiso 1 1 calc R . .
C19 C 0.8577(2) 0.7216(4) 0.8268(4) 0.0506(15) Uani 1 1 d . . .
H19 H 0.8441 0.7802 0.8028 0.061 Uiso 1 1 calc R . .
C27 C 0.8689(2) 0.5806(4) 0.6119(4) 0.0501(14) Uani 1 1 d . . .
H27A H 0.8452 0.5391 0.5640 0.060 Uiso 1 1 calc R . .
H27B H 0.8848 0.5456 0.6650 0.060 Uiso 1 1 calc R . .
C5 C 0.7153(2) 1.1506(4) 0.4707(4) 0.0573(16) Uani 1 1 d . . .
H5 H 0.6950 1.1746 0.4887 0.069 Uiso 1 1 calc R . .
C25 C 1.0465(2) 0.5492(4) 0.8774(4) 0.0550(16) Uani 1 1 d . . .
H25A H 1.0614 0.5049 0.9246 0.066 Uiso 1 1 calc R . .
H25B H 1.0344 0.5148 0.8252 0.066 Uiso 1 1 calc R . .
C22 C 0.8963(3) 0.5492(5) 0.8998(4) 0.0692(19) Uani 1 1 d . . .
H22 H 0.9089 0.4903 0.9238 0.083 Uiso 1 1 calc R . .
C20 C 0.8326(3) 0.6704(5) 0.8545(5) 0.079(2) Uani 1 1 d . . .
H20 H 0.8020 0.6941 0.8480 0.095 Uiso 1 1 calc R . .
C15 C 1.0633(3) 0.6787(5) 1.1720(4) 0.0624(17) Uani 1 1 d . . .
H15 H 1.0879 0.6314 1.2045 0.075 Uiso 1 1 calc R . .
C21 C 0.8520(3) 0.5843(5) 0.8918(5) 0.086(2) Uani 1 1 d . . .
H21 H 0.8350 0.5503 0.9114 0.103 Uiso 1 1 calc R . .
C4 C 0.6957(3) 1.1567(5) 0.3855(4) 0.0710(19) Uani 1 1 d . . .
H4 H 0.6619 1.1824 0.3456 0.085 Uiso 1 1 calc R . .
C3 C 0.7270(3) 1.1239(5) 0.3602(4) 0.078(2) Uani 1 1 d . . .
H3 H 0.7142 1.1285 0.3026 0.093 Uiso 1 1 calc R . .
C13 C 1.0005(3) 0.7902(6) 1.1522(4) 0.087(3) Uani 1 1 d . . .
H13 H 0.9825 0.8191 1.1725 0.104 Uiso 1 1 calc R . .
C14 C 1.0357(3) 0.7203(6) 1.2001(4) 0.088(3) Uani 1 1 d . . .
H14 H 1.0409 0.7012 1.2511 0.105 Uiso 1 1 calc R . .
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'
Cu Cu 0.3201 1.2651 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0061 0.0033 '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
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle_publ_flag
O8 Cu4 O7 87.93(13) . . ?
O8 Cu4 N4 174.51(15) . . ?
O7 Cu4 N4 92.88(15) . . ?
O8 Cu4 O6 94.47(12) . . ?
O7 Cu4 O6 176.86(13) . . ?
N4 Cu4 O6 84.54(15) . . ?
O3 Cu2 O4 85.97(13) . . ?
O3 Cu2 N2 92.87(16) . . ?
O4 Cu2 N2 171.85(16) . . ?
O3 Cu2 O2 175.04(14) . . ?
O4 Cu2 O2 96.52(13) . . ?
N2 Cu2 O2 85.27(15) . . ?
O3 Cu2 Cu3 59.98(10) . . ?
O4 Cu2 Cu3 41.18(9) . . ?
N2 Cu2 Cu3 143.51(14) . . ?
O2 Cu2 Cu3 119.59(9) . . ?
O8 Cu1 N1 172.59(16) . . ?
O8 Cu1 O1 93.27(14) . . ?
N1 Cu1 O1 91.75(16) . . ?
O8 Cu1 O2 92.67(13) . . ?
N1 Cu1 O2 83.53(15) . . ?
O1 Cu1 O2 167.10(16) . . ?
O4 Cu3 O5 86.97(13) . . ?
O4 Cu3 N3 170.17(15) . . ?
O5 Cu3 N3 91.23(15) . . ?
O4 Cu3 O6 99.07(13) . 2_756 ?
O5 Cu3 O6 167.71(14) . 2_756 ?
N3 Cu3 O6 84.58(15) . 2_756 ?
O4 Cu3 Cu2 41.09(8) . . ?
O5 Cu3 Cu2 59.31(10) . . ?
N3 Cu3 Cu2 130.63(12) . . ?
O6 Cu3 Cu2 131.33(10) 2_756 . ?
C26 O6 Cu3 110.2(3) . 2_756 ?
C26 O6 Cu4 110.4(3) . . ?
Cu3 O6 Cu4 136.53(17) 2_756 . ?
Cu1 O8 Cu4 110.04(14) . . ?
C9 O2 Cu2 110.4(3) . . ?
C9 O2 Cu1 108.3(3) . . ?
Cu2 O2 Cu1 135.63(17) . . ?
Cu2 O4 Cu3 97.73(13) . . ?
C34 O7 Cu4 127.4(3) . . ?
C28 N4 C27 119.9(4) . . ?
C28 N4 Cu4 126.8(4) . . ?
C27 N4 Cu4 113.3(3) . . ?
C1 O1 Cu1 125.8(3) . . ?
C7 N1 C8 120.3(4) . . ?
C7 N1 Cu1 125.4(4) . . ?
C8 N1 Cu1 113.9(3) . . ?
C17 O3 Cu2 128.0(3) . . ?
N1 C7 C6 125.8(5) . . ?
C24 N3 C25 121.2(5) . . ?
C24 N3 Cu3 125.7(4) . . ?
C25 N3 Cu3 112.6(3) . . ?
N4 C28 C29 126.0(5) . . ?
O1 C1 C6 124.4(5) . . ?
O1 C1 C2 120.4(5) . . ?
C6 C1 C2 115.2(5) . . ?
N2 C10 C9 108.3(4) . . ?
O2 C9 C8 109.7(4) . . ?
O2 C9 C10 110.2(4) . . ?
C8 C9 C10 115.1(5) . . ?
C11 N2 C10 122.1(4) . . ?
C11 N2 Cu2 125.7(4) . . ?
C10 N2 Cu2 112.1(3) . . ?
O6 C26 C25 113.4(4) . 2_756 ?
O6 C26 C27 112.6(5) . . ?
C25 C26 C27 116.2(5) 2_756 . ?
C18 O5 Cu3 125.3(3) . . ?
C30 C29 C34 120.5(5) . . ?
C30 C29 C28 117.0(5) . . ?
C34 C29 C28 122.3(4) . . ?
C5 C6 C1 120.3(5) . . ?
C5 C6 C7 117.7(5) . . ?
C1 C6 C7 121.6(5) . . ?
O7 C34 C33 120.2(5) . . ?
O7 C34 C29 123.8(4) . . ?
C33 C34 C29 116.0(4) . . ?
O3 C17 C16 119.5(5) . . ?
O3 C17 C12 123.1(5) . . ?
C16 C17 C12 117.4(5) . . ?
O5 C18 C19 118.8(5) . . ?
O5 C18 C23 123.4(4) . . ?
C19 C18 C23 117.8(5) . . ?
C32 C33 C34 122.1(5) . . ?
C22 C23 C18 118.7(5) . . ?
C22 C23 C24 118.1(5) . . ?
C18 C23 C24 123.3(4) . . ?
C15 C16 C17 122.7(5) . . ?
C33 C32 C31 121.7(5) . . ?
N1 C8 C9 107.7(4) . . ?
C31 C30 C29 120.9(5) . . ?
C13 C12 C17 117.2(6) . . ?
C13 C12 C11 119.6(5) . . ?
C17 C12 C11 123.1(5) . . ?
C3 C2 C1 122.2(6) . . ?
N2 C11 C12 126.5(5) . . ?
C30 C31 C32 118.6(5) . . ?
N3 C24 C23 124.9(5) . . ?
C20 C19 C18 121.6(6) . . ?
N4 C27 C26 109.4(4) . . ?
C4 C5 C6 122.0(6) . . ?
C26 C25 N3 109.6(5) 2_756 . ?
C21 C22 C23 121.6(6) . . ?
C19 C20 C21 121.0(6) . . ?
C14 C15 C16 120.2(6) . . ?
C22 C21 C20 119.3(6) . . ?
C5 C4 C3 118.5(6) . . ?
C2 C3 C4 121.8(6) . . ?
C14 C13 C12 123.6(6) . . ?
C13 C14 C15 118.8(6) . . ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
_geom_bond_publ_flag
Cu4 O8 1.913(3) . ?
Cu4 O7 1.927(3) . ?
Cu4 N4 1.929(4) . ?
Cu4 O6 1.987(3) . ?
Cu2 O3 1.924(3) . ?
Cu2 O4 1.929(3) . ?
Cu2 N2 1.932(4) . ?
Cu2 O2 1.948(3) . ?
Cu2 Cu3 2.9080(9) . ?
Cu1 O8 1.902(3) . ?
Cu1 N1 1.931(4) . ?
Cu1 O1 1.939(4) . ?
Cu1 O2 1.996(3) . ?
Cu3 O4 1.932(3) . ?
Cu3 O5 1.943(3) . ?
Cu3 N3 1.943(4) . ?
Cu3 O6 1.960(3) 2_756 ?
O6 C26 1.410(6) . ?
O6 Cu3 1.960(3) 2_756 ?
O2 C9 1.428(5) . ?
O7 C34 1.313(5) . ?
N4 C28 1.272(6) . ?
N4 C27 1.459(6) . ?
O1 C1 1.290(6) . ?
N1 C7 1.268(6) . ?
N1 C8 1.460(6) . ?
O3 C17 1.307(6) . ?
C7 C6 1.442(7) . ?
N3 C24 1.288(6) . ?
N3 C25 1.458(6) . ?
C28 C29 1.444(7) . ?
C1 C6 1.424(7) . ?
C1 C2 1.429(8) . ?
C10 N2 1.436(6) . ?
C10 C9 1.509(7) . ?
C9 C8 1.490(7) . ?
N2 C11 1.285(6) . ?
C26 C25 1.458(7) 2_756 ?
C26 C27 1.484(7) . ?
O5 C18 1.318(5) . ?
C29 C30 1.408(6) . ?
C29 C34 1.426(7) . ?
C6 C5 1.405(7) . ?
C34 C33 1.410(7) . ?
C17 C16 1.398(7) . ?
C17 C12 1.423(7) . ?
C18 C19 1.393(7) . ?
C18 C23 1.418(7) . ?
C33 C32 1.349(7) . ?
C23 C22 1.404(7) . ?
C23 C24 1.434(7) . ?
C16 C15 1.371(7) . ?
C32 C31 1.400(8) . ?
C30 C31 1.361(7) . ?
C12 C13 1.407(8) . ?
C12 C11 1.428(8) . ?
C2 C3 1.364(8) . ?
C19 C20 1.362(7) . ?
C5 C4 1.368(8) . ?
C25 C26 1.458(7) 2_756 ?
C22 C21 1.360(8) . ?
C20 C21 1.374(9) . ?
C15 C14 1.363(9) . ?
C4 C3 1.372(9) . ?
C13 C14 1.359(9) . ?
