#------------------------------------------------------------------------------
#$Date: 2025-01-02 14:38:43 +0200 (Thu, 02 Jan 2025) $
#$Revision: 297033 $
#$URL: file:///home/coder/svn-repositories/cod/cif/7/11/34/7113449.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_7113449
loop_
_publ_author_name
'Connor, Eric F.'
'Younkin, Todd R.'
'Henderson, Jason I.'
'Waltman, Andrew W.'
'Grubbs, Robert H.'
_publ_section_title
;
 Synthesis of neutral nickel catalysts for ethylene polymerization -- the
 influence of ligand size on catalyst stability
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   18
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              2272
_journal_page_last               2273
_journal_paper_doi               10.1039/b306701g
_journal_year                    2003
_chemical_formula_sum            'C36 H36 N2 Ni O'
_chemical_formula_weight         571.38
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   direct
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.0982(13)
_cell_length_b                   14.4000(10)
_cell_length_c                   22.3830(16)
_cell_measurement_reflns_used    5843
_cell_measurement_temperature    98(2)
_cell_measurement_theta_max      23.30
_cell_measurement_theta_min      2.66
_cell_volume                     5833.3(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT v 6.01'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      98(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans at 4 phi settings'
_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  0.0614
_diffrn_reflns_av_sigmaI/netI    0.0276
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            47311
_diffrn_reflns_theta_full        23.32
_diffrn_reflns_theta_max         23.32
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    0.696
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'Dichroic yellow/brown'
_exptl_crystal_density_diffrn    1.301
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Blade
_exptl_crystal_F_000             2416
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.274
_refine_diff_density_min         -0.309
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.913
_refine_ls_hydrogen_treatment    unrestrained
_refine_ls_matrix_type           full
_refine_ls_number_parameters     505
_refine_ls_number_reflns         4213
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.913
_refine_ls_R_factor_all          0.0387
_refine_ls_R_factor_gt           0.0287
_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/s²(Fo²)
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.0518
_refine_ls_wR_factor_ref         0.0527
_reflns_number_gt                3431
_reflns_number_total             4213
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             7104796
_cod_data_source_file            b306701g.txt
_cod_data_source_block           7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7113449
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, -y, z+1/2'
'-x, y+1/2, -z+1/2'
'x+1/2, -y+1/2, -z'
'-x, -y, -z'
'x-1/2, y, -z-1/2'
'x, -y-1/2, z-1/2'
'-x-1/2, y-1/2, z'
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
Ni Ni 0.184162(14) 0.054172(17) 0.427685(12) 0.02187(9) Uani 1 1 d
N1 N 0.25793(9) 0.02802(10) 0.37052(8) 0.0196(4) Uani 1 1 d
N2 N 0.10882(10) 0.08221(12) 0.48116(8) 0.0262(5) Uani 1 1 d
O O 0.10477(7) 0.01676(9) 0.37682(6) 0.0217(3) Uani 1 1 d
C1 C 0.25497(13) 0.09966(18) 0.48520(11) 0.0273(6) Uani 1 1 d
C2 C 0.05834(13) 0.10305(15) 0.50817(10) 0.0261(5) Uani 1 1 d
C3 C -0.00594(15) 0.1325(2) 0.54195(13) 0.0343(6) Uani 1 1 d
C4 C 0.33637(10) 0.03505(14) 0.38413(9) 0.0213(5) Uani 1 1 d
C5 C 0.37383(11) 0.11569(14) 0.36713(9) 0.0215(5) Uani 1 1 d
C6 C 0.44840(12) 0.12267(16) 0.38305(10) 0.0263(6) Uani 1 1 d
C7 C 0.48272(12) 0.05366(16) 0.41505(9) 0.0279(6) Uani 1 1 d
C8 C 0.44451(12) -0.02507(15) 0.43119(10) 0.0255(5) Uani 1 1 d
C9 C 0.37044(11) -0.03641(14) 0.41617(9) 0.0231(5) Uani 1 1 d
C10 C 0.33653(13) 0.19507(15) 0.33462(10) 0.0265(6) Uani 1 1 d
C11 C 0.35879(17) 0.1992(2) 0.26948(12) 0.0362(7) Uani 1 1 d
C12 C 0.35155(15) 0.28794(16) 0.36517(13) 0.0309(6) Uani 1 1 d
C13 C 0.32911(12) -0.12440(14) 0.43248(10) 0.0287(6) Uani 1 1 d
C14 C 0.34025(16) -0.19721(19) 0.38389(15) 0.0407(7) Uani 1 1 d
C15 C 0.34984(16) -0.1624(2) 0.49368(13) 0.0406(7) Uani 1 1 d
C16 C 0.24326(12) 0.00975(14) 0.31495(11) 0.0219(5) Uani 1 1 d
C17 C 0.17303(10) 0.00344(13) 0.28627(9) 0.0194(5) Uani 1 1 d
C18 C 0.17110(13) -0.01042(14) 0.22435(10) 0.0237(5) Uani 1 1 d
C19 C 0.10608(12) -0.01888(15) 0.19415(11) 0.0261(6) Uani 1 1 d
C20 C 0.03980(13) -0.01583(14) 0.22637(10) 0.0247(6) Uani 1 1 d
C21 C 0.03780(11) -0.00389(13) 0.28729(9) 0.0201(5) Uani 1 1 d
C22 C 0.10575(11) 0.00648(13) 0.31940(10) 0.0204(5) Uani 1 1 d
C23 C -0.03437(11) -0.00532(14) 0.31978(9) 0.0206(5) Uani 1 1 d
C24 C -0.05987(11) 0.07424(14) 0.35053(9) 0.0214(5) Uani 1 1 d
C25 C -0.02008(13) 0.15991(15) 0.35218(10) 0.0264(6) Uani 1 1 d
C26 C -0.04733(13) 0.23592(17) 0.37982(11) 0.0307(6) Uani 1 1 d
C27 C -0.11616(13) 0.23255(17) 0.41011(11) 0.0334(6) Uani 1 1 d
C28 C -0.15561(13) 0.15315(16) 0.41051(10) 0.0300(6) Uani 1 1 d
C29 C -0.13011(11) 0.07174(14) 0.38063(9) 0.0236(5) Uani 1 1 d
C30 C -0.17174(12) -0.00894(15) 0.37880(10) 0.0245(5) Uani 1 1 d
C31 C -0.14794(11) -0.08810(14) 0.34916(9) 0.0228(5) Uani 1 1 d
C32 C -0.19101(14) -0.17118(16) 0.34769(11) 0.0291(6) Uani 1 1 d
C33 C -0.16708(12) -0.24880(17) 0.32030(11) 0.0320(6) Uani 1 1 d
C34 C -0.09746(13) -0.24854(17) 0.29168(11) 0.0289(6) Uani 1 1 d
C35 C -0.05467(13) -0.17121(15) 0.29072(10) 0.0255(6) Uani 1 1 d
C36 C -0.07779(11) -0.08673(14) 0.31911(9) 0.0213(5) Uani 1 1 d
H1A H 0.2292(10) 0.1248(13) 0.5190(9) 0.021(6) Uiso 1 1 d
H1B H 0.2877(11) 0.0485(15) 0.5012(9) 0.038(6) Uiso 1 1 d
H1C H 0.2868(11) 0.1464(13) 0.4663(8) 0.026(6) Uiso 1 1 d
H3A H -0.0275(12) 0.0836(16) 0.5655(11) 0.055(8) Uiso 1 1 d
H3B H 0.0129(12) 0.1825(16) 0.5660(11) 0.049(8) Uiso 1 1 d
H3C H -0.0440(13) 0.1538(16) 0.5127(11) 0.057(8) Uiso 1 1 d
H6 H 0.4755(10) 0.1771(12) 0.3717(8) 0.019(5) Uiso 1 1 d
H7 H 0.5347(11) 0.0592(12) 0.4260(8) 0.025(5) Uiso 1 1 d
H8 H 0.4678(10) -0.0731(12) 0.4536(8) 0.018(5) Uiso 1 1 d
H10 H 0.2875(10) 0.1849(11) 0.3374(7) 0.006(5) Uiso 1 1 d
H11A H 0.3442(11) 0.1428(16) 0.2457(9) 0.041(7) Uiso 1 1 d
H11B H 0.4093(12) 0.2060(14) 0.2664(9) 0.033(7) Uiso 1 1 d
H11C H 0.3377(10) 0.2515(15) 0.2492(9) 0.030(6) Uiso 1 1 d
H12A H 0.4034(12) 0.3044(13) 0.3593(8) 0.029(6) Uiso 1 1 d
H12B H 0.3198(11) 0.3370(13) 0.3489(8) 0.022(5) Uiso 1 1 d
H12C H 0.3424(11) 0.2876(14) 0.4087(10) 0.039(7) Uiso 1 1 d
H13 H 0.2776(10) -0.1120(12) 0.4346(8) 0.017(5) Uiso 1 1 d
H14A H 0.3917(15) -0.2118(16) 0.3793(10) 0.057(8) Uiso 1 1 d
H14B H 0.3143(12) -0.2530(15) 0.3917(9) 0.034(6) Uiso 1 1 d
H14C H 0.3244(12) -0.1755(15) 0.3427(10) 0.042(7) Uiso 1 1 d
H15A H 0.4002(13) -0.1849(15) 0.4922(9) 0.043(7) Uiso 1 1 d
H15B H 0.3446(12) -0.1145(17) 0.5279(11) 0.056(8) Uiso 1 1 d
H15C H 0.3190(13) -0.2147(17) 0.5033(10) 0.053(7) Uiso 1 1 d
H16 H 0.2841(10) 0.0015(11) 0.2904(8) 0.013(5) Uiso 1 1 d
H18 H 0.2153(10) -0.0136(12) 0.2029(8) 0.021(6) Uiso 1 1 d
H19 H 0.1051(10) -0.0295(12) 0.1538(9) 0.018(6) Uiso 1 1 d
H20 H -0.0045(10) -0.0233(12) 0.2060(8) 0.019(6) Uiso 1 1 d
H25 H 0.0249(10) 0.1630(11) 0.3332(8) 0.014(5) Uiso 1 1 d
H26 H -0.0204(11) 0.2913(13) 0.3792(8) 0.023(6) Uiso 1 1 d
H27 H -0.1346(11) 0.2862(14) 0.4315(9) 0.029(6) Uiso 1 1 d
H28 H -0.2010(11) 0.1477(13) 0.4307(8) 0.026(6) Uiso 1 1 d
H30 H -0.2162(10) -0.0113(12) 0.3987(8) 0.014(5) Uiso 1 1 d
H32 H -0.2334(11) -0.1700(13) 0.3664(9) 0.024(6) Uiso 1 1 d
H33 H -0.1959(10) -0.3062(13) 0.3214(8) 0.026(6) Uiso 1 1 d
H34 H -0.0815(10) -0.3014(13) 0.2748(8) 0.018(6) Uiso 1 1 d
H35 H -0.0097(10) -0.1718(11) 0.2711(8) 0.013(5) Uiso 1 1 d
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'
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'
Ni Ni 0.3393 1.1124 '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_publ_flag
N2 Ni N1 177.34(7) yes
N2 Ni O 83.87(6) yes
N1 Ni O 94.12(6) yes
N2 Ni C1 89.07(9) yes
N1 Ni C1 92.88(9) yes
O Ni C1 172.72(9) yes
C16 N1 C4 114.45(17) ?
C16 N1 Ni 123.03(15) ?
C4 N1 Ni 122.29(13) ?
C2 N2 Ni 171.95(18) ?
C22 O Ni 127.87(13) ?
Ni C1 H1A 109.3(11) ?
Ni C1 H1B 112.2(12) ?
H1A C1 H1B 106.3(16) ?
Ni C1 H1C 109.5(11) ?
H1A C1 H1C 111.5(16) ?
H1B C1 H1C 108.0(16) ?
N2 C2 C3 178.3(3) ?
C2 C3 H3A 113.4(13) ?
C2 C3 H3B 103.1(14) ?
H3A C3 H3B 113(2) ?
C2 C3 H3C 107.5(14) ?
H3A C3 H3C 107.8(19) ?
H3B C3 H3C 112.4(19) ?
C9 C4 C5 122.51(19) ?
C9 C4 N1 119.11(17) ?
C5 C4 N1 118.30(18) ?
C6 C5 C4 117.3(2) ?
C6 C5 C10 119.88(19) ?
C4 C5 C10 122.82(18) ?
C7 C6 C5 121.1(2) ?
C7 C6 H6 119.8(11) ?
C5 C6 H6 119.1(11) ?
C6 C7 C8 120.4(2) ?
C6 C7 H7 120.6(11) ?
C8 C7 H7 119.0(11) ?
C7 C8 C9 121.1(2) ?
C7 C8 H8 120.9(11) ?
C9 C8 H8 117.9(11) ?
C4 C9 C8 117.55(19) ?
C4 C9 C13 121.42(18) ?
C8 C9 C13 121.01(19) ?
C5 C10 C12 111.52(19) ?
C5 C10 C11 112.0(2) ?
C12 C10 C11 110.4(2) ?
C5 C10 H10 106.5(11) ?
C12 C10 H10 106.6(11) ?
C11 C10 H10 109.6(11) ?
C10 C11 H11A 114.1(12) ?
C10 C11 H11B 109.9(13) ?
H11A C11 H11B 107.8(18) ?
C10 C11 H11C 112.4(12) ?
H11A C11 H11C 106.2(17) ?
H11B C11 H11C 106.1(17) ?
C10 C12 H12A 108.9(11) ?
C10 C12 H12B 111.1(11) ?
H12A C12 H12B 109.7(16) ?
C10 C12 H12C 114.0(12) ?
H12A C12 H12C 107.2(17) ?
H12B C12 H12C 105.8(17) ?
C9 C13 C15 113.29(19) ?
C9 C13 C14 109.7(2) ?
C15 C13 C14 111.3(2) ?
C9 C13 H13 109.8(10) ?
C15 C13 H13 105.4(11) ?
C14 C13 H13 107.1(11) ?
C13 C14 H14A 110.8(14) ?
C13 C14 H14B 112.7(13) ?
H14A C14 H14B 108.4(19) ?
C13 C14 H14C 113.5(12) ?
H14A C14 H14C 104.2(19) ?
H14B C14 H14C 106.9(18) ?
C13 C15 H15A 108.8(13) ?
C13 C15 H15B 113.9(13) ?
H15A C15 H15B 109.6(18) ?
C13 C15 H15C 109.9(14) ?
H15A C15 H15C 106.9(19) ?
H15B C15 H15C 107.6(19) ?
N1 C16 C17 128.7(2) ?
N1 C16 H16 115.4(11) ?
C17 C16 H16 115.8(11) ?
C18 C17 C22 119.83(19) ?
C18 C17 C16 118.5(2) ?
C22 C17 C16 121.65(19) ?
C19 C18 C17 121.7(2) ?
C19 C18 H18 118.7(12) ?
C17 C18 H18 119.6(12) ?
C20 C19 C18 118.8(2) ?
C20 C19 H19 119.8(12) ?
C18 C19 H19 121.4(12) ?
C21 C20 C19 122.5(2) ?
C21 C20 H20 118.6(12) ?
C19 C20 H20 118.9(12) ?
C20 C21 C22 119.2(2) ?
C20 C21 C23 120.25(19) ?
C22 C21 C23 120.50(18) ?
O C22 C17 122.11(18) ?
O C22 C21 119.91(18) ?
C17 C22 C21 117.97(19) ?
C24 C23 C36 119.76(18) ?
C24 C23 C21 120.72(18) ?
C36 C23 C21 119.52(18) ?
C23 C24 C29 119.74(18) ?
C23 C24 C25 123.20(19) ?
C29 C24 C25 117.04(19) ?
C26 C25 C24 121.8(2) ?
C26 C25 H25 119.7(11) ?
C24 C25 H25 118.4(11) ?
C25 C26 C27 120.8(2) ?
C25 C26 H26 119.6(12) ?
C27 C26 H26 119.6(12) ?
C28 C27 C26 119.8(2) ?
C28 C27 H27 119.5(12) ?
C26 C27 H27 120.7(12) ?
C27 C28 C29 121.5(2) ?
C27 C28 H28 122.4(12) ?
C29 C28 H28 116.1(12) ?
C30 C29 C24 119.18(19) ?
C30 C29 C28 121.8(2) ?
C24 C29 C28 119.0(2) ?
C31 C30 C29 122.3(2) ?
C31 C30 H30 118.2(11) ?
C29 C30 H30 119.5(11) ?
C30 C31 C36 119.13(19) ?
C30 C31 C32 122.0(2) ?
C36 C31 C32 118.9(2) ?
C33 C32 C31 122.0(2) ?
C33 C32 H32 121.1(13) ?
C31 C32 H32 116.8(13) ?
C32 C33 C34 119.4(2) ?
C32 C33 H33 121.2(11) ?
C34 C33 H33 119.3(11) ?
C35 C34 C33 121.2(2) ?
C35 C34 H34 120.4(12) ?
C33 C34 H34 118.4(12) ?
C34 C35 C36 121.5(2) ?
C34 C35 H35 120.1(11) ?
C36 C35 H35 118.4(11) ?
C23 C36 C35 123.12(19) ?
C23 C36 C31 119.90(19) ?
C35 C36 C31 116.96(19) ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_publ_flag
Ni N2 1.8588(19) yes
Ni N1 1.8872(16) yes
Ni O 1.9107(13) yes
Ni C1 1.931(2) yes
N1 C16 1.299(3) ?
N1 C4 1.455(2) ?
N2 C2 1.136(3) ?
O C22 1.294(2) ?
C1 H1A 0.96(2) ?
C1 H1B 1.01(2) ?
C1 H1C 0.98(2) ?
C2 C3 1.451(3) ?
C3 H3A 0.96(2) ?
C3 H3B 0.96(2) ?
C3 H3C 1.00(2) ?
C4 C9 1.398(3) ?
C4 C5 1.397(3) ?
C5 C6 1.399(3) ?
C5 C10 1.514(3) ?
C6 C7 1.373(3) ?
C6 H6 0.958(18) ?
C7 C8 1.376(3) ?
C7 H7 0.976(18) ?
C8 C9 1.392(3) ?
C8 H8 0.953(18) ?
C9 C13 1.516(3) ?
C10 C12 1.526(3) ?
C10 C11 1.514(3) ?
C10 H10 0.902(17) ?
C11 H11A 1.01(2) ?
C11 H11B 0.92(2) ?
C11 H11C 0.96(2) ?
C12 H12A 0.98(2) ?
C12 H12B 0.981(19) ?
C12 H12C 0.99(2) ?
C13 C15 1.522(3) ?
C13 C14 1.524(3) ?
C13 H13 0.950(18) ?
C14 H14A 0.96(3) ?
C14 H14B 0.95(2) ?
C14 H14C 1.01(2) ?
C15 H15A 0.97(2) ?
C15 H15B 1.03(2) ?
C15 H15C 0.96(2) ?
C16 C17 1.427(3) ?
C16 H16 0.928(18) ?
C17 C18 1.401(3) ?
C17 C22 1.426(3) ?
C18 C19 1.362(3) ?
C18 H18 0.934(18) ?
C19 C20 1.400(3) ?
C19 H19 0.916(19) ?
C20 C21 1.375(3) ?
C20 H20 0.928(18) ?
C21 C22 1.432(3) ?
C21 C23 1.495(3) ?
C23 C24 1.414(3) ?
C23 C36 1.411(3) ?
C24 C29 1.439(3) ?
C24 C25 1.429(3) ?
C25 C26 1.351(3) ?
C25 H25 0.919(18) ?
C26 C27 1.419(3) ?
C26 H26 0.935(19) ?
C27 C28 1.348(3) ?
C27 H27 0.97(2) ?
C28 C29 1.426(3) ?
C28 H28 0.940(19) ?
C29 C30 1.385(3) ?
C30 C31 1.387(3) ?
C30 H30 0.920(18) ?
C31 C36 1.437(3) ?
C31 C32 1.428(3) ?
C32 C33 1.346(3) ?
C32 H32 0.87(2) ?
C33 C34 1.414(3) ?
C33 H33 0.978(19) ?
C34 C35 1.357(3) ?
C34 H34 0.898(18) ?
C35 C36 1.435(3) ?
C35 H35 0.926(17) ?
