#------------------------------------------------------------------------------
#$Date: 2018-10-05 15:19:55 +0300 (Fri, 05 Oct 2018) $
#$Revision: 211332 $
#$URL: file:///home/coder/svn-repositories/cod/cif/7/00/17/7001741.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_7001741
loop_
_publ_author_name
'Guiducci, Aldo E.'
'Boyd, Catherine L.'
'Clot, Eric'
'Mountford, Philip'
_publ_section_title
;
 Reactions of cyclopentadienyl-amidinate titanium imido compounds with
 CO2: cycloaddition-extrusion vs. cycloaddition-insertion
;
_journal_issue                   30
_journal_name_full               'Dalton Transactions'
_journal_page_first              5960
_journal_page_last               5979
_journal_paper_doi               10.1039/b901774g
_journal_year                    2009
_chemical_compound_source
;
?
;
_chemical_formula_moiety         ' C31 H47 N3 Si2 Ti1 '
_chemical_formula_sum            'C31 H47 N3 Si2 Ti'
_chemical_formula_weight         565.81
_chemical_name_common            (Ti(C5Me5)(N-2,6-C6H3Me2)(PhC(NSiMe3)2))
_chemical_name_systematic
;
[Ti(C5Me5)(N-2,6-C6H3Me2){PhC(NSiMe3)2}]
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_cell_angle_alpha                90
_cell_angle_beta                 100.92(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.672(5)
_cell_length_b                   15.361(2)
_cell_length_c                   18.018(7)
_cell_measurement_reflns_used    32
_cell_measurement_temperature    150
_cell_measurement_theta_max      28
_cell_measurement_theta_min      5
_cell_volume                     3172.0(19)
_computing_cell_refinement
;
KappaCCD software 'DENZO' (Otwinowski & Minor, 1996)
;
_computing_data_collection
;
KappaCCD software 'Collect' (Nonius, 2000)
;
_computing_data_reduction
;
KappaCCD software 'DENZO' (Otwinowski & Minor, 1996)
;
_computing_molecular_graphics    'CAMERON (Watkin, Prout and Pearce, 1996)'
_computing_publication_material
;
CRYSTALS Issue 10 (Watkin et al., 1996)
;
_computing_structure_refinement
;
CRYSTALS Issue 10 (Watkin et al., 1996)
;
_computing_structure_solution    'SIR92 (Altomare, et al., 1994)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_max 0.875
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       CCD
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.04
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            18449
_diffrn_reflns_theta_full        25.049
_diffrn_reflns_theta_max         27.58
_diffrn_reflns_theta_min         4.08
_diffrn_standards_decay_%        'not measured'
_diffrn_standards_interval_count 'not measured'
_diffrn_standards_interval_time  'not measured'
_diffrn_standards_number         'not measured'
_exptl_absorpt_coefficient_mu    0.37
_exptl_absorpt_correction_T_max  0.93
_exptl_absorpt_correction_T_min  0.90
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Denzo/Scalepack (Otwinowski & Minor, 1996)
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.18
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       'fragment '
_exptl_crystal_F_000             1217.66
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.51
_refine_diff_density_min         -0.40
_refine_ls_extinction_coef       none
_refine_ls_goodness_of_fit_ref   1.0617
_refine_ls_hydrogen_treatment    'riding model'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     335
_refine_ls_number_reflns         4392
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0401
_refine_ls_shift/su_max          0.0008
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
Chebychev polynomial with 3 parameters, Carruthers & Watkin , 1979,
15.3 -13.3 11.8
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0489
_reflns_limit_h_max              14
_reflns_limit_h_min              -15
_reflns_limit_k_max              19
_reflns_limit_k_min              0
_reflns_limit_l_max              21
_reflns_limit_l_min              0
_reflns_number_gt                4392
_reflns_number_total             6934
_reflns_threshold_expression     >3.00σ(I)
_cod_data_source_file            b901774g.txt
_cod_data_source_block           compound_14
_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 

The following automatic conversions were performed:

'_atom_sites_solution_primary' value 'direct methods' was changed to
'direct'.

'_atom_sites_solution_hydrogens' value 'geometric' was changed to
'geom'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_cell_volume        3172(1)
_cod_original_sg_symbol_H-M      'P 1 21/n 1 '
_cod_original_formula_sum        ' C31 H47 N3 Si2 Ti1 '
_cod_database_code               7001741
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,-z
-x+1/2,y+1/2,-z+1/2
x+1/2,-y+1/2,z+1/2
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_adp_type
Ti1 0.18824(4) 0.14792(3) 0.77478(3) 0.0167 1.0000 Uani
N1 0.37024(19) 0.12296(15) 0.78402(12) 0.0194 1.0000 Uani
N2 0.2429(2) 0.12570(14) 0.67144(12) 0.0184 1.0000 Uani
N3 0.1213(2) 0.05299(13) 0.79898(14) 0.0229 1.0000 Uani
Si1 0.50341(7) 0.10679(5) 0.84783(5) 0.0243 1.0000 Uani
Si2 0.19575(7) 0.11612(5) 0.57393(4) 0.0216 1.0000 Uani
C1 0.3518(2) 0.11097(15) 0.70976(16) 0.0185 1.0000 Uani
C2 0.4460(2) 0.07855(18) 0.67124(15) 0.0214 1.0000 Uani
C3 0.4502(3) -0.0098(2) 0.65384(17) 0.0279 1.0000 Uani
C4 0.5362(3) -0.0411(2) 0.61654(19) 0.0377 1.0000 Uani
C5 0.6175(3) 0.0147(3) 0.5971(2) 0.0436 1.0000 Uani
C6 0.6162(3) 0.1024(3) 0.6147(2) 0.0399 1.0000 Uani
C7 0.5294(3) 0.13452(19) 0.65195(18) 0.0278 1.0000 Uani
C8 0.4674(3) 0.1098(3) 0.94374(19) 0.0429 1.0000 Uani
C9 0.5763(3) 0.0013(2) 0.8355(2) 0.0436 1.0000 Uani
C10 0.6126(3) 0.1948(2) 0.8425(2) 0.0414 1.0000 Uani
C11 0.0460(3) 0.1647(2) 0.54962(19) 0.0341 1.0000 Uani
C12 0.1777(3) 0.00050(19) 0.54196(18) 0.0315 1.0000 Uani
C13 0.2933(3) 0.1748(2) 0.51884(17) 0.0352 1.0000 Uani
C14 0.0470(2) -0.00811(16) 0.82103(18) 0.0227 1.0000 Uani
C15 0.0685(3) -0.0432(2) 0.89432(18) 0.0290 1.0000 Uani
C16 -0.0097(3) -0.1040(2) 0.9143(2) 0.0381 1.0000 Uani
C17 -0.1077(3) -0.1306(2) 0.8634(2) 0.0419 1.0000 Uani
C18 -0.1273(3) -0.0979(2) 0.7912(2) 0.0349 1.0000 Uani
C19 -0.0521(3) -0.03786(19) 0.76844(18) 0.0267 1.0000 Uani
C20 0.1750(3) -0.0150(2) 0.95048(19) 0.0382 1.0000 Uani
C21 -0.0750(3) -0.0035(2) 0.6891(2) 0.0361 1.0000 Uani
C22 0.0572(3) 0.23605(17) 0.82818(17) 0.0261 1.0000 Uani
C23 0.1723(3) 0.25893(19) 0.86401(17) 0.0273 1.0000 Uani
C24 0.2291(3) 0.29836(18) 0.80879(16) 0.0238 1.0000 Uani
C25 0.1492(3) 0.29973(18) 0.74016(17) 0.0242 1.0000 Uani
C26 0.0418(3) 0.26118(18) 0.75127(18) 0.0259 1.0000 Uani
C27 -0.0368(3) 0.1979(2) 0.8657(2) 0.0422 1.0000 Uani
C28 0.2179(3) 0.2527(2) 0.94763(18) 0.0396 1.0000 Uani
C29 0.3497(3) 0.3365(2) 0.81944(19) 0.0320 1.0000 Uani
C30 0.1763(3) 0.3434(2) 0.67045(19) 0.0336 1.0000 Uani
C31 -0.0723(3) 0.2582(2) 0.6969(2) 0.0359 1.0000 Uani
H31 0.3915 -0.0507 0.66824 0.0340 1.0000 Uiso
H41 0.5387 -0.1043 0.60355 0.0464 1.0000 Uiso
H51 0.6787 -0.0081 0.5701 0.0533 1.0000 Uiso
H61 0.6763 0.1426 0.6010 0.0483 1.0000 Uiso
H71 0.5278 0.19777 0.66483 0.0344 1.0000 Uiso
H81 0.5401 0.1008 0.98242 0.0507 1.0000 Uiso
H82 0.4324 0.1676 0.95209 0.0507 1.0000 Uiso
H83 0.4102 0.0626 0.94839 0.0507 1.0000 Uiso
H91 0.6507 -0.0031 0.8735 0.0491 1.0000 Uiso
H92 0.5235 -0.0479 0.8431 0.0491 1.0000 Uiso
H93 0.5939 -0.0018 0.7834 0.0491 1.0000 Uiso
H101 0.6860 0.1824 0.8797 0.0480 1.0000 Uiso
H102 0.5801 0.2521 0.8547 0.0480 1.0000 Uiso
H103 0.6301 0.1967 0.7903 0.0480 1.0000 Uiso
H111 0.0169 0.1601 0.49388 0.0385 1.0000 Uiso
H112 0.0492 0.2274 0.56492 0.0385 1.0000 Uiso
H113 -0.0079 0.1326 0.57695 0.0385 1.0000 Uiso
H121 0.1506 -0.00121 0.48590 0.0383 1.0000 Uiso
H122 0.1187 -0.02869 0.56714 0.0383 1.0000 Uiso
H123 0.2541 -0.03051 0.55567 0.0383 1.0000 Uiso
H131 0.2626 0.1674 0.46350 0.0420 1.0000 Uiso
H132 0.2955 0.2381 0.53191 0.0420 1.0000 Uiso
H133 0.3739 0.1501 0.53182 0.0420 1.0000 Uiso
H161 0.0052 -0.1286 0.9667 0.0489 1.0000 Uiso
H171 -0.1634 -0.1732 0.8791 0.0534 1.0000 Uiso
H181 -0.1970 -0.1181 0.7540 0.0428 1.0000 Uiso
H201 0.1771 -0.0462 0.99944 0.0462 1.0000 Uiso
H202 0.1716 0.0492 0.95889 0.0462 1.0000 Uiso
H203 0.2469 -0.0294 0.93032 0.0462 1.0000 Uiso
H211 -0.1475 -0.0311 0.6601 0.0462 1.0000 Uiso
H212 -0.0854 0.0610 0.6898 0.0462 1.0000 Uiso
H213 -0.0075 -0.0180 0.6644 0.0462 1.0000 Uiso
H271 -0.1092 0.1883 0.8269 0.0545 1.0000 Uiso
H272 -0.0539 0.2391 0.9051 0.0545 1.0000 Uiso
H273 -0.0094 0.1411 0.8898 0.0545 1.0000 Uiso
H281 0.3011 0.2722 0.95932 0.0493 1.0000 Uiso
H282 0.1699 0.2908 0.97482 0.0493 1.0000 Uiso
H283 0.2127 0.1910 0.96444 0.0493 1.0000 Uiso
H291 0.3637 0.3592 0.76991 0.0384 1.0000 Uiso
H292 0.3568 0.3853 0.85680 0.0384 1.0000 Uiso
H293 0.4087 0.2906 0.83850 0.0384 1.0000 Uiso
H301 0.1083 0.3369 0.62780 0.0411 1.0000 Uiso
H302 0.1918 0.4067 0.68112 0.0411 1.0000 Uiso
H303 0.2468 0.3158 0.65630 0.0411 1.0000 Uiso
H311 -0.0610 0.2792 0.6462 0.0431 1.0000 Uiso
H312 -0.1299 0.2965 0.7157 0.0431 1.0000 Uiso
H313 -0.1023 0.1971 0.6923 0.0431 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
'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
'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
'Si ' 0.0720 0.0710 6.2915 2.4386 3.0353 32.3337 1.9891 0.6785 1.5410 81.6937
1.1407 International_Tables_Vol_IV_Table_2.2B
'Ti ' 0.2480 0.4460 9.7595 7.8508 7.3558 0.5000 1.6991 35.6338 1.9021 116.1050
1.2807 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
N1 . Ti1 . N2 . 64.94(8) yes
N1 . Ti1 . N3 . 108.4(1) yes
N2 . Ti1 . N3 . 108.0(1) yes
N1 . Ti1 . C1 . 32.23(9) yes
N2 . Ti1 . C1 . 32.77(9) yes
N3 . Ti1 . C1 . 110.26(9) yes
N1 . Ti1 . C22 . 141.1(1) yes
N2 . Ti1 . C22 . 140.8(1) yes
N3 . Ti1 . C22 . 91.3(1) yes
C1 . Ti1 . C22 . 158.48(9) yes
N1 . Ti1 . C23 . 106.3(1) yes
N2 . Ti1 . C23 . 142.2(1) yes
N3 . Ti1 . C23 . 109.52(11) yes
C1 . Ti1 . C23 . 130.4(1) yes
C22 . Ti1 . C23 . 34.77(11) yes
N1 . Ti1 . C24 . 90.36(9) yes
N2 . Ti1 . C24 . 107.52(9) yes
N3 . Ti1 . C24 . 144.19(11) yes
C1 . Ti1 . C24 . 101.86(9) yes
C22 . Ti1 . C24 . 57.6(1) yes
N1 . Ti1 . C25 . 109.1(1) yes
N2 . Ti1 . C25 . 90.12(9) yes
N3 . Ti1 . C25 . 142.4(1) yes
C1 . Ti1 . C25 . 102.78(9) yes
C22 . Ti1 . C25 . 57.0(1) yes
N1 . Ti1 . C26 . 143.40(9) yes
N2 . Ti1 . C26 . 106.5(1) yes
N3 . Ti1 . C26 . 108.0(1) yes
C1 . Ti1 . C26 . 131.4(1) yes
C22 . Ti1 . C26 . 34.3(1) yes
C23 . Ti1 . C24 . 34.7(1) yes
C23 . Ti1 . C25 . 56.7(1) yes
C24 . Ti1 . C25 . 33.58(9) yes
C23 . Ti1 . C26 . 57.2(1) yes
C24 . Ti1 . C26 . 57.0(1) yes
C25 . Ti1 . C26 . 34.4(1) yes
Ti1 . N1 . Si1 . 144.68(13) yes
Ti1 . N1 . C1 . 88.72(16) yes
Si1 . N1 . C1 . 126.22(19) yes
Ti1 . N2 . Si2 . 144.39(13) yes
Ti1 . N2 . C1 . 89.35(16) yes
Si2 . N2 . C1 . 126.09(19) yes
Ti1 . N3 . C14 . 165.88(19) yes
N1 . Si1 . C8 . 106.02(14) yes
N1 . Si1 . C9 . 114.22(14) yes
C8 . Si1 . C9 . 108.77(19) yes
N1 . Si1 . C10 . 112.88(14) yes
C8 . Si1 . C10 . 107.83(18) yes
C9 . Si1 . C10 . 106.92(19) yes
N2 . Si2 . C11 . 107.68(13) yes
N2 . Si2 . C12 . 112.74(13) yes
C11 . Si2 . C12 . 105.13(15) yes
N2 . Si2 . C13 . 112.64(13) yes
C11 . Si2 . C13 . 108.51(16) yes
C12 . Si2 . C13 . 109.76(16) yes
Ti1 . C1 . N1 . 59.05(14) yes
Ti1 . C1 . N2 . 57.88(13) yes
N1 . C1 . N2 . 116.8(2) yes
Ti1 . C1 . C2 . 173.67(17) yes
N1 . C1 . C2 . 121.5(2) yes
N2 . C1 . C2 . 121.7(2) yes
C1 . C2 . C3 . 119.3(2) yes
C1 . C2 . C7 . 121.5(2) yes
C3 . C2 . C7 . 119.2(3) yes
C2 . C3 . C4 . 120.2(3) yes
C3 . C4 . C5 . 120.2(3) yes
C4 . C5 . C6 . 120.7(3) yes
C5 . C6 . C7 . 119.4(3) yes
C2 . C7 . C6 . 120.3(3) yes
N3 . C14 . C15 . 121.3(3) yes
N3 . C14 . C19 . 120.0(3) yes
C15 . C14 . C19 . 118.7(3) yes
C14 . C15 . C16 . 119.3(3) yes
C14 . C15 . C20 . 119.8(3) yes
C16 . C15 . C20 . 120.9(3) yes
C15 . C16 . C17 . 121.5(3) yes
C16 . C17 . C18 . 119.3(3) yes
C17 . C18 . C19 . 121.5(3) yes
C14 . C19 . C18 . 119.8(3) yes
C14 . C19 . C21 . 119.8(3) yes
C18 . C19 . C21 . 120.5(3) yes
Ti1 . C22 . C23 . 72.51(16) yes
Ti1 . C22 . C26 . 74.45(16) yes
C23 . C22 . C26 . 108.2(2) yes
Ti1 . C22 . C27 . 122.49(19) yes
C23 . C22 . C27 . 126.6(3) yes
C26 . C22 . C27 . 125.0(3) yes
Ti1 . C23 . C22 . 72.73(16) yes
Ti1 . C23 . C24 . 74.16(16) yes
C22 . C23 . C24 . 108.2(3) yes
Ti1 . C23 . C28 . 125.1(2) yes
C22 . C23 . C28 . 124.4(3) yes
C24 . C23 . C28 . 127.0(3) yes
Ti1 . C24 . C23 . 71.11(16) yes
Ti1 . C24 . C25 . 73.98(17) yes
C23 . C24 . C25 . 107.6(3) yes
Ti1 . C24 . C29 . 122.73(19) yes
C23 . C24 . C29 . 128.5(3) yes
C25 . C24 . C29 . 123.9(3) yes
Ti1 . C25 . C24 . 72.44(18) yes
Ti1 . C25 . C26 . 72.24(16) yes
C24 . C25 . C26 . 108.9(3) yes
Ti1 . C25 . C30 . 125.5(2) yes
C24 . C25 . C30 . 122.1(3) yes
C26 . C25 . C30 . 128.8(3) yes
Ti1 . C26 . C22 . 71.22(15) yes
Ti1 . C26 . C25 . 73.38(16) yes
C22 . C26 . C25 . 107.2(3) yes
Ti1 . C26 . C31 . 127.1(2) yes
C22 . C26 . C31 . 124.4(3) yes
C25 . C26 . C31 . 127.9(3) yes
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
Ti1 . N1 . 2.134(2) yes
Ti1 . N2 . 2.107(2) yes
Ti1 . N3 . 1.748(2) yes
Ti1 . C1 . 2.488(3) yes
Ti1 . C22 . 2.378(3) yes
Ti1 . C23 . 2.375(3) yes
Ti1 . C24 . 2.415(3) yes
Ti1 . C25 . 2.435(3) yes
Ti1 . C26 . 2.420(3) yes
N1 . Si1 . 1.767(2) yes
N1 . C1 . 1.327(4) yes
N2 . Si2 . 1.745(2) yes
N2 . C1 . 1.346(4) yes
N3 . C14 . 1.386(3) yes
Si1 . C8 . 1.855(4) yes
Si1 . C9 . 1.863(3) yes
Si1 . C10 . 1.872(3) yes
Si2 . C11 . 1.874(3) yes
Si2 . C12 . 1.867(3) yes
Si2 . C13 . 1.877(3) yes
C1 . C2 . 1.492(4) yes
C2 . C3 . 1.395(4) yes
C2 . C7 . 1.392(4) yes
C3 . C4 . 1.396(4) yes
C4 . C5 . 1.373(6) yes
C5 . C6 . 1.385(5) yes
C6 . C7 . 1.405(5) yes
C14 . C15 . 1.405(4) yes
C14 . C19 . 1.425(4) yes
C15 . C16 . 1.400(5) yes
C15 . C20 . 1.511(5) yes
C16 . C17 . 1.385(6) yes
C17 . C18 . 1.373(5) yes
C18 . C19 . 1.387(5) yes
C19 . C21 . 1.500(5) yes
C22 . C23 . 1.420(4) yes
C22 . C26 . 1.417(4) yes
C22 . C27 . 1.512(4) yes
C23 . C24 . 1.430(4) yes
C23 . C28 . 1.503(4) yes
C24 . C25 . 1.401(4) yes
C24 . C29 . 1.503(4) yes
C25 . C26 . 1.434(4) yes
C25 . C30 . 1.510(4) yes
C26 . C31 . 1.497(4) yes
