#------------------------------------------------------------------------------
#$Date: 2018-09-08 23:34:07 +0300 (Sat, 08 Sep 2018) $
#$Revision: 210588 $
#$URL: file:///home/coder/svn-repositories/cod/cif/7/10/40/7104053.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_7104053
loop_
_publ_author_name
'Jaffart, Joëlle'
'Etienne, Michel'
'Reinhold, Meike'
'McGrady, John E.'
'Maseras, Feliu'
_publ_section_title
;
 An unprecedented α-C--C agostic interaction in a cyclopropyl
 tris(pyrazolyl)boratoniobium complex
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   7
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              876
_journal_page_last               877
_journal_paper_doi               10.1039/b300324h
_journal_year                    2003
_chemical_formula_moiety         ' C22 H33 Nb1 Cl1 N6 B1 '
_chemical_formula_sum            'C22 H33 B Cl N6 Nb'
_chemical_formula_weight         520.72
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   'Geometric or located (Fourier difference)'
_atom_sites_solution_primary     SIR92
_audit_creation_date             99-05-06
_audit_creation_method           CRYSTALS
_cell_angle_alpha                96.58(2)
_cell_angle_beta                 106.87(2)
_cell_angle_gamma                118.49(2)
_cell_formula_units_Z            2
_cell_length_a                   10.697(2)
_cell_length_b                   10.755(2)
_cell_length_c                   13.164(2)
_cell_measurement_reflns_used    5000
_cell_measurement_temperature    160
_cell_measurement_theta_max      24.18
_cell_measurement_theta_min      2.22
_cell_volume                     1215(1)
_computing_cell_refinement       ' STOE IPDS '
_computing_data_collection       ' STOE IPDS '
_computing_data_reduction
;
STOE X RED
;
_computing_molecular_graphics
;
CAMERON (Watkin, Prout & Pearce, 1996)
;
_computing_publication_material
;
CRYSTALS Issue 10 (Watkin, Prout, Carruthers & Betteridge, 1996)
;
_computing_structure_refinement
;
CRYSTALS Issue 10 (Watkin, Prout, Carruthers & Betteridge, 1996)
;
_computing_structure_solution    'SIR92 (Giacovazzo et al, 1992)'
_diffrn_ambient_temperature      160
_diffrn_measurement_device       '  STOE IPDS '
_diffrn_measurement_method       'phi rotation'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.00
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3607
_diffrn_reflns_theta_max         24.18
_diffrn_reflns_theta_min         2.22
_diffrn_standards_decay_%        0.00
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.63
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            ' orange '
_exptl_crystal_density_diffrn    1.42
_exptl_crystal_description       ' block '
_exptl_crystal_F_000             535.82
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.73
_refine_diff_density_min         -0.45
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_obs   0.9883
_refine_ls_hydrogen_treatment
;
H atoms placed geometrically after each cycle, except H1 to H32 located 
and refined isotropically with an equivalent Uiso for H11 to H32
;
_refine_ls_matrix_type           full
_refine_ls_number_parameters     304
_refine_ls_number_reflns         3195
_refine_ls_R_factor_obs          0.0277
_refine_ls_shift/esd_max         0.008596
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme
;
w = w'[1-(?F/6?(F))2]2. w' = 1/?(r=1,3)ArTr(x) where Ar are the coefficients 
for the Chebyshev polynomial Tr(x) with x = Fc/Fc(max) (Carruthers & 
Watkin, 1979)
coef 1.47, -0.132, 0.970
;
_refine_ls_wR_factor_obs         0.0346
_reflns_limit_h_max              11
_reflns_limit_h_min              -12
_reflns_limit_k_max              12
_reflns_limit_k_min              -12
_reflns_limit_l_max              15
_reflns_limit_l_min              0
_reflns_number_observed          3195
_reflns_number_total             0
_reflns_observed_criterion       >2.00\s(I)
_cod_data_source_file            b300324h.txt
_cod_data_source_block           CRYSTALS_cif_1
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic ' changed to 'triclinic'
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_sg_symbol_H-M      'P -1 '
_cod_original_formula_sum        ' C22 H33 Nb1 Cl1 N6 B1 '
_cod_database_code               7104053
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_occupancy
_atom_site_thermal_displace_type
NB1 0.99017(3) 0.20735(2) 0.79696(2) 0.0194 1.0000 Uani
CL1 0.92752(7) 0.39838(6) 0.79559(5) 0.0230 1.0000 Uani
N1 0.9731(3) -0.0140(2) 0.7544(2) 0.0230 1.0000 Uani
N2 0.8359(3) -0.1404(2) 0.6844(2) 0.0219 1.0000 Uani
N3 0.7424(3) 0.0527(2) 0.7983(2) 0.0222 1.0000 Uani
N4 0.6480(2) -0.0897(2) 0.7268(2) 0.0210 1.0000 Uani
N5 0.8452(3) 0.1113(2) 0.6097(2) 0.0225 1.0000 Uani
N6 0.7159(2) -0.0294(2) 0.5650(2) 0.0199 1.0000 Uani
B1 0.6876(3) -0.1396(3) 0.6336(2) 0.0217 1.0000 Uani
C1 1.0604(3) 0.1872(3) 0.9622(2) 0.0267 1.0000 Uani
C2 1.2151(4) 0.2651(4) 1.0559(3) 0.0370 1.0000 Uani
C3 1.1224(4) 0.3332(4) 1.0492(3) 0.0371 1.0000 Uani
C4 1.3432(4) 0.5301(3) 0.9109(3) 0.0408 1.0000 Uani
C5 1.2159(3) 0.3792(3) 0.8392(2) 0.0277 1.0000 Uani
C6 1.1743(3) 0.2789(3) 0.7492(2) 0.0283 1.0000 Uani
C7 1.2311(4) 0.2430(4) 0.6670(3) 0.0449 1.0000 Uani
C11 1.2417(4) 0.0522(3) 0.8652(3) 0.0376 1.0000 Uani
C12 1.0780(3) -0.0520(3) 0.7856(2) 0.0268 1.0000 Uani
C13 1.0078(4) -0.2021(3) 0.7346(2) 0.0290 1.0000 Uani
C14 0.8555(3) -0.2559(3) 0.6724(2) 0.0255 1.0000 Uani
C15 0.7280(4) -0.4103(3) 0.6051(3) 0.0388 1.0000 Uani
C31 0.7343(4) 0.2015(3) 0.9537(3) 0.0384 1.0000 Uani
C32 0.6729(3) 0.0628(3) 0.8658(2) 0.0253 1.0000 Uani
C33 0.5353(3) -0.0724(3) 0.8390(2) 0.0269 1.0000 Uani
C34 0.5231(3) -0.1660(3) 0.7507(2) 0.0242 1.0000 Uani
C35 0.3965(3) -0.3229(3) 0.6859(3) 0.0353 1.0000 Uani
C51 0.9605(4) 0.3341(3) 0.5446(3) 0.0358 1.0000 Uani
C52 0.8414(3) 0.1768(3) 0.5292(2) 0.0255 1.0000 Uani
C53 0.7112(3) 0.0791(3) 0.4337(2) 0.0261 1.0000 Uani
C54 0.6323(3) -0.0502(3) 0.4587(2) 0.0230 1.0000 Uani
C55 0.4807(3) -0.1876(3) 0.3885(2) 0.0308 1.0000 Uani
H1 0.591(3) -0.252(3) 0.582(2) 0.021(7) 1.0000 Uiso
H11 0.983(4) 0.101(4) 0.974(3) 0.039(4) 1.0000 Uiso
H21 1.225(4) 0.222(4) 1.110(3) 0.039(4) 1.0000 Uiso
H22 1.300(5) 0.310(4) 1.039(3) 0.039(4) 1.0000 Uiso
H31 1.070(4) 0.328(4) 1.103(3) 0.039(4) 1.0000 Uiso
H32 1.161(4) 0.420(4) 1.025(3) 0.039(4) 1.0000 Uiso
H41 1.4318 0.5582 0.8927 0.0423 1.0000 Uiso
H42 1.3700 0.5318 0.9875 0.0423 1.0000 Uiso
H43 1.3109 0.5985 0.8993 0.0423 1.0000 Uiso
H71 1.3355 0.3223 0.6851 0.0625 1.0000 Uiso
H72 1.2284 0.1528 0.6688 0.0625 1.0000 Uiso
H73 1.1661 0.2306 0.5939 0.0625 1.0000 Uiso
H111 1.2602 0.1496 0.8878 0.0459 1.0000 Uiso
H112 1.2610 0.0189 0.9293 0.0459 1.0000 Uiso
H113 1.3096 0.0554 0.8298 0.0459 1.0000 Uiso
H131 1.0566 -0.2577 0.7415 0.0406 1.0000 Uiso
H151 0.7677 -0.4738 0.6081 0.0440 1.0000 Uiso
H152 0.6491 -0.4435 0.6344 0.0440 1.0000 Uiso
H153 0.6847 -0.4134 0.5293 0.0440 1.0000 Uiso
H311 0.8308 0.2784 0.9551 0.0461 1.0000 Uiso
H312 0.7503 0.1837 1.0248 0.0461 1.0000 Uiso
H313 0.6613 0.2317 0.9377 0.0461 1.0000 Uiso
H331 0.4638 -0.0956 0.8748 0.0354 1.0000 Uiso
H351 0.3191 -0.3560 0.7166 0.0393 1.0000 Uiso
H352 0.4383 -0.3846 0.6899 0.0393 1.0000 Uiso
H353 0.3506 -0.3290 0.6096 0.0393 1.0000 Uiso
H511 1.0389 0.3770 0.6188 0.0413 1.0000 Uiso
H512 1.0070 0.3364 0.4919 0.0413 1.0000 Uiso
H513 0.9120 0.3898 0.5330 0.0413 1.0000 Uiso
H531 0.6815 0.0977 0.3638 0.0331 1.0000 Uiso
H551 0.4424 -0.1780 0.3162 0.0349 1.0000 Uiso
H552 0.4931 -0.2705 0.3812 0.0349 1.0000 Uiso
H553 0.4085 -0.2034 0.4226 0.0349 1.0000 Uiso
loop_
_atom_type_symbol
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_Cromer_Mann_a1
_atom_type_scat_Cromer_Mann_b1
_atom_type_scat_Cromer_Mann_a2
_atom_type_scat_Cromer_Mann_b2
_atom_type_scat_Cromer_Mann_a3
_atom_type_scat_Cromer_Mann_b3
_atom_type_scat_Cromer_Mann_a4
_atom_type_scat_Cromer_Mann_b4
_atom_type_scat_Cromer_Mann_c
_atom_type_scat_source
'Nb  ' -2.1970 0.6210 17.6142 1.1887 12.0144 11.7660 4.0418 0.2048 3.5335
69.7957 3.7559 International_Tables_Vol_IV_Table_2.2B
'Cl  ' 0.1320 0.1590 11.4604 0.0104 7.1964 1.1662 6.2556 18.5194 1.6455 47.7784
-9.5574 International_Tables_Vol_IV_Table_2.2B
'N   ' 0.0040 0.0030 12.2126 0.0057 3.1322 9.8933 2.0125 28.9975 1.1663 0.5826
-11.5290 International_Tables_Vol_IV_Table_2.2B
'B   ' 0.0000 0.0010 2.0545 23.2185 1.3326 1.0210 1.0979 60.3498 0.7068 0.1403
-0.1932 International_Tables_Vol_IV_Table_2.2B
'C   ' 0.0020 0.0020 2.3100 20.8439 1.0200 10.2075 1.5886 0.5687 0.8650 51.6512
0.2156 International_Tables_Vol_IV_Table_2.2B
'H   ' 0.0000 0.0000 0.4930 10.5109 0.3229 26.1257 0.1402 3.1424 0.0408 57.7997
0.0030 International_Tables_Vol_IV_Table_2.2B
loop_
_geom_angle_atom_site_label_1
_geom_angle_site_symmetry_1
_geom_angle_atom_site_label_2
_geom_angle_site_symmetry_2
_geom_angle_atom_site_label_3
_geom_angle_site_symmetry_3
_geom_angle
_geom_angle_publ_flag
CL1 . NB1 . N1 . 162.01(6) yes
CL1 . NB1 . N3 . 85.99(5) yes
N1 . NB1 . N3 . 82.07(8) yes
CL1 . NB1 . N5 . 87.52(5) yes
N1 . NB1 . N5 . 77.30(7) yes
N3 . NB1 . N5 . 80.53(8) yes
CL1 . NB1 . C1 . 110.85(8) yes
N1 . NB1 . C1 . 80.53(9) yes
N3 . NB1 . C1 . 80.83(9) yes
N5 . NB1 . C1 . 152.71(9) yes
CL1 . NB1 . C5 . 85.62(8) yes
N1 . NB1 . C5 . 109.19(9) yes
N3 . NB1 . C5 . 163.1(1) yes
N5 . NB1 . C5 . 113.7(1) yes
C1 . NB1 . C5 . 88.5(1) yes
CL1 . NB1 . C6 . 105.81(7) yes
N1 . NB1 . C6 . 82.34(9) yes
N3 . NB1 . C6 . 159.94(9) yes
N5 . NB1 . C6 . 83.8(1) yes
C1 . NB1 . C6 . 108.9(1) yes
C5 . NB1 . C6 . 36.9(1) yes
NB1 . N1 . N2 . 120.9(2) yes
NB1 . N1 . C12 . 132.3(2) yes
N2 . N1 . C12 . 106.8(2) yes
N1 . N2 . B1 . 121.5(2) yes
N1 . N2 . C14 . 109.7(2) yes
B1 . N2 . C14 . 128.8(2) yes
NB1 . N3 . N4 . 118.9(2) yes
NB1 . N3 . C32 . 134.1(2) yes
N4 . N3 . C32 . 106.3(2) yes
N3 . N4 . B1 . 121.0(2) yes
N3 . N4 . C34 . 109.9(2) yes
B1 . N4 . C34 . 129.1(2) yes
NB1 . N5 . N6 . 120.9(2) yes
NB1 . N5 . C52 . 131.2(2) yes
N6 . N5 . C52 . 106.4(2) yes
N5 . N6 . B1 . 120.4(2) yes
N5 . N6 . C54 . 110.1(2) yes
B1 . N6 . C54 . 129.5(2) yes
N2 . B1 . N4 . 109.6(2) yes
N2 . B1 . N6 . 108.8(2) yes
N4 . B1 . N6 . 109.0(2) yes
N2 . B1 . H1 . 109.7(15) no
N4 . B1 . H1 . 108.5(15) no
N6 . B1 . H1 . 111.3(15) no
NB1 . C1 . C2 . 131.4(2) yes
NB1 . C1 . C3 . 109.7(2) yes
C2 . C1 . C3 . 58.4(2) yes
NB1 . C1 . H11 . 115.2(20) no
C2 . C1 . H11 . 112.3(20) no
C3 . C1 . H11 . 112.6(21) no
C1 . C2 . C3 . 62.5(2) yes
C1 . C2 . H21 . 116.8(23) no
C3 . C2 . H21 . 117.8(24) no
C1 . C2 . H22 . 117.3(22) no
C3 . C2 . H22 . 117.7(22) no
H21 . C2 . H22 . 114.9(33) no
C1 . C3 . C2 . 59.1(2) yes
C1 . C3 . H31 . 117.3(19) no
C2 . C3 . H31 . 119.6(19) no
C1 . C3 . H32 . 115.3(21) no
C2 . C3 . H32 . 113.2(22) no
H31 . C3 . H32 . 118.6(29) no
C5 . C4 . H41 . 109.5(3) no
C5 . C4 . H42 . 109.5(3) no
H41 . C4 . H42 . 109.5(3) no
C5 . C4 . H43 . 109.5(3) no
H41 . C4 . H43 . 109.5(3) no
H42 . C4 . H43 . 109.5(3) no
NB1 . C5 . C4 . 147.0(2) yes
NB1 . C5 . C6 . 71.2(2) yes
C4 . C5 . C6 . 141.2(3) yes
NB1 . C6 . C5 . 71.9(2) yes
NB1 . C6 . C7 . 145.4(2) yes
C5 . C6 . C7 . 142.7(3) yes
C6 . C7 . H71 . 109.5(3) no
C6 . C7 . H72 . 109.5(3) no
H71 . C7 . H72 . 109.5(4) no
C6 . C7 . H73 . 109.5(3) no
H71 . C7 . H73 . 109.5(3) no
H72 . C7 . H73 . 109.5(4) no
C12 . C11 . H111 . 109.5(3) no
C12 . C11 . H112 . 109.5(3) no
H111 . C11 . H112 . 109.5(3) no
C12 . C11 . H113 . 109.5(3) no
H111 . C11 . H113 . 109.5(3) no
H112 . C11 . H113 . 109.5(3) no
N1 . C12 . C11 . 124.3(2) yes
N1 . C12 . C13 . 109.2(2) yes
C11 . C12 . C13 . 126.5(2) yes
C12 . C13 . C14 . 106.9(2) yes
C12 . C13 . H131 . 126.5(3) no
C14 . C13 . H131 . 126.5(3) no
N2 . C14 . C13 . 107.3(2) yes
N2 . C14 . C15 . 123.5(3) yes
C13 . C14 . C15 . 129.2(2) yes
C14 . C15 . H151 . 109.5(3) no
C14 . C15 . H152 . 109.5(3) no
H151 . C15 . H152 . 109.5(3) no
C14 . C15 . H153 . 109.5(3) no
H151 . C15 . H153 . 109.5(3) no
H152 . C15 . H153 . 109.5(3) no
C32 . C31 . H311 . 109.5(3) no
C32 . C31 . H312 . 109.5(3) no
H311 . C31 . H312 . 109.5(3) no
C32 . C31 . H313 . 109.5(3) no
H311 . C31 . H313 . 109.5(3) no
H312 . C31 . H313 . 109.5(3) no
N3 . C32 . C31 . 123.8(3) yes
N3 . C32 . C33 . 110.0(2) yes
C31 . C32 . C33 . 126.2(3) yes
C32 . C33 . C34 . 105.8(3) yes
C32 . C33 . H331 . 127.1(3) no
C34 . C33 . H331 . 127.1(3) no
N4 . C34 . C33 . 107.9(2) yes
N4 . C34 . C35 . 122.9(2) yes
C33 . C34 . C35 . 129.2(3) yes
C34 . C35 . H351 . 109.5(3) no
C34 . C35 . H352 . 109.5(3) no
H351 . C35 . H352 . 109.5(3) no
C34 . C35 . H353 . 109.5(3) no
H351 . C35 . H353 . 109.5(3) no
H352 . C35 . H353 . 109.5(3) no
C52 . C51 . H511 . 109.5(3) no
C52 . C51 . H512 . 109.5(3) no
H511 . C51 . H512 . 109.5(3) no
C52 . C51 . H513 . 109.5(3) no
H511 . C51 . H513 . 109.5(3) no
H512 . C51 . H513 . 109.5(3) no
N5 . C52 . C51 . 123.7(2) yes
N5 . C52 . C53 . 109.8(2) yes
C51 . C52 . C53 . 126.4(2) yes
C52 . C53 . C54 . 106.5(2) yes
C52 . C53 . H531 . 126.8(3) no
C54 . C53 . H531 . 126.8(3) no
N6 . C54 . C53 . 107.2(2) yes
N6 . C54 . C55 . 123.8(2) yes
C53 . C54 . C55 . 129.0(2) yes
C54 . C55 . H551 . 109.5(3) no
C54 . C55 . H552 . 109.5(3) no
H551 . C55 . H552 . 109.5(3) no
C54 . C55 . H553 . 109.5(2) no
H551 . C55 . H553 . 109.5(3) no
H552 . C55 . H553 . 109.5(3) no
loop_
_geom_bond_atom_site_label_1
_geom_bond_site_symmetry_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
NB1 . CL1 . 2.4465(6) yes
NB1 . N1 . 2.288(2) yes
NB1 . N3 . 2.371(2) yes
NB1 . N5 . 2.284(2) yes
NB1 . C1 . 2.159(3) yes
NB1 . C5 . 2.069(3) yes
NB1 . C6 . 2.062(3) yes
N1 . N2 . 1.370(3) yes
N1 . C12 . 1.343(4) yes
N2 . B1 . 1.536(4) yes
N2 . C14 . 1.355(3) yes
N3 . N4 . 1.376(3) yes
N3 . C32 . 1.339(4) yes
N4 . B1 . 1.529(4) yes
N4 . C34 . 1.348(4) yes
N5 . N6 . 1.370(3) yes
N5 . C52 . 1.339(4) yes
N6 . B1 . 1.541(3) yes
N6 . C54 . 1.348(3) yes
B1 . H1 . 1.09(3) no
C1 . C2 . 1.490(4) yes
C1 . C3 . 1.539(4) yes
C1 . H11 . 0.97(4) no
C2 . C3 . 1.478(5) yes
C2 . H21 . 0.90(4) no
C2 . H22 . 0.91(4) no
C3 . H31 . 1.02(4) no
C3 . H32 . 0.95(4) no
C4 . C5 . 1.475(4) yes
C4 . H41 . 0.960(3) no
C4 . H42 . 0.960(3) no
C4 . H43 . 0.960(4) no
C5 . C6 . 1.307(4) yes
C6 . C7 . 1.483(5) yes
C7 . H71 . 0.960(4) no
C7 . H72 . 0.960(3) no
C7 . H73 . 0.960(4) no
C11 . C12 . 1.488(4) yes
C11 . H111 . 0.960(3) no
C11 . H112 . 0.960(3) no
C11 . H113 . 0.960(3) no
C12 . C13 . 1.387(4) yes
C13 . C14 . 1.370(4) yes
C13 . H131 . 0.960(3) no
C14 . C15 . 1.485(4) yes
C15 . H151 . 0.960(3) no
C15 . H152 . 0.960(4) no
C15 . H153 . 0.960(3) no
C31 . C32 . 1.491(4) yes
C31 . H311 . 0.960(3) no
C31 . H312 . 0.960(3) no
C31 . H313 . 0.960(3) no
C32 . C33 . 1.394(4) yes
C33 . C34 . 1.378(4) yes
C33 . H331 . 0.960(3) no
C34 . C35 . 1.493(4) yes
C35 . H351 . 0.960(3) no
C35 . H352 . 0.960(3) no
C35 . H353 . 0.960(3) no
C51 . C52 . 1.498(4) yes
C51 . H511 . 0.960(3) no
C51 . H512 . 0.960(3) no
C51 . H513 . 0.960(3) no
C52 . C53 . 1.381(4) yes
C53 . C54 . 1.379(4) yes
C53 . H531 . 0.960(3) no
C54 . C55 . 1.483(4) yes
C55 . H551 . 0.960(3) no
C55 . H552 . 0.960(3) no
C55 . H553 . 0.960(3) no
