#------------------------------------------------------------------------------
#$Date: 2016-03-25 12:48:47 +0200 (Fri, 25 Mar 2016) $
#$Revision: 179816 $
#$URL: svn://www.crystallography.net/cod/cif/7/01/12/7011217.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_7011217
loop_
_publ_author_name
'Hai-Bin Song'
'Zheng-Zhi Zhang'
'Thomas C. W. Mak'
_publ_section_title
;
 Synthesis and structural study of late transition metal complexes of
 N-[(diphenylphosphino)methyl]-2-pyridinamine and
 N-cyclohexyl-N-[(diphenylphosphino)methyl]-2-pyridinamine
;
_journal_issue                   7
_journal_name_full               'J. Chem. Soc., Dalton Trans.'
_journal_page_first              1336
_journal_page_last               1343
_journal_paper_doi               10.1039/b109191n
_journal_year                    2002
_chemical_formula_sum            'C43 H43 Ag Cl N7 O4 P2'
_chemical_formula_weight         927.10
_chemical_name_systematic
; 
? 
;
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                92.014(13)
_cell_angle_beta                 94.209(15)
_cell_angle_gamma                104.595(11)
_cell_formula_units_Z            2
_cell_length_a                   11.1602(19)
_cell_length_b                   11.3068(17)
_cell_length_c                   17.485(3)
_cell_measurement_temperature    293(2)
_cell_volume                     2126.1(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0224
_diffrn_reflns_av_sigmaI/netI    0.0551
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            9709
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    0.663
_exptl_absorpt_correction_T_max  0.830
_exptl_absorpt_correction_T_min  0.721
_exptl_absorpt_correction_type   psi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.448
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             952
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.56
_exptl_crystal_size_min          0.50
_refine_diff_density_max         0.650
_refine_diff_density_min         -0.528
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     533
_refine_ls_number_reflns         8349
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0957
_refine_ls_R_factor_gt           0.0561
_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)+(0.0670P)²+0.9695P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1222
_refine_ls_wR_factor_ref         0.1395
_reflns_number_gt                5597
_reflns_number_total             8349
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b109191n.txt
_cod_data_source_block           compd7
_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.

'_exptl_absorpt_correction_type' value 'PSI-SCAN' changed to
'psi-scan' 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_cell_volume        2126.2(6)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7011217
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -y, -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
_atom_site_refinement_flags
_atom_site_disorder_assembly
_atom_site_disorder_group
Ag1 Ag 0.77470(4) 0.52118(3) 0.69565(2) 0.05389(14) Uani 1 1 d . . .
P1 P 0.88040(12) 0.70540(11) 0.63538(7) 0.0513(3) Uani 1 1 d . . .
C1 C 0.8700(5) 0.8481(4) 0.6806(3) 0.0555(12) Uani 1 1 d . . .
C2 C 0.9715(6) 0.9466(5) 0.7021(4) 0.0785(17) Uani 1 1 d . . .
H2A H 1.0509 0.9416 0.6922 0.094 Uiso 1 1 calc R . .
C3 C 0.9559(8) 1.0496(6) 0.7374(5) 0.099(2) Uani 1 1 d . . .
H3A H 1.0252 1.1143 0.7512 0.119 Uiso 1 1 calc R . .
C4 C 0.8435(8) 1.0609(6) 0.7530(4) 0.099(2) Uani 1 1 d . . .
H4A H 0.8350 1.1328 0.7768 0.119 Uiso 1 1 calc R . .
C5 C 0.7406(7) 0.9651(7) 0.7336(4) 0.094(2) Uani 1 1 d . . .
H5A H 0.6621 0.9714 0.7445 0.112 Uiso 1 1 calc R . .
C6 C 0.7555(6) 0.8588(5) 0.6973(3) 0.0733(15) Uani 1 1 d . . .
H6A H 0.6861 0.7939 0.6842 0.088 Uiso 1 1 calc R . .
C7 C 0.8448(4) 0.7222(5) 0.5340(3) 0.0561(12) Uani 1 1 d . . .
C8 C 0.8109(5) 0.6188(6) 0.4849(3) 0.0750(16) Uani 1 1 d . . .
H8A H 0.8059 0.5425 0.5046 0.090 Uiso 1 1 calc R . .
C9 C 0.7843(6) 0.6266(7) 0.4073(3) 0.093(2) Uani 1 1 d . . .
H9A H 0.7633 0.5560 0.3750 0.112 Uiso 1 1 calc R . .
C10 C 0.7888(6) 0.7373(9) 0.3778(4) 0.100(2) Uani 1 1 d . . .
H10A H 0.7711 0.7427 0.3254 0.120 Uiso 1 1 calc R . .
C11 C 0.8191(8) 0.8395(8) 0.4254(4) 0.110(3) Uani 1 1 d . . .
H11A H 0.8202 0.9147 0.4052 0.132 Uiso 1 1 calc R . .
C12 C 0.8485(6) 0.8349(6) 0.5034(3) 0.0850(19) Uani 1 1 d . . .
H12A H 0.8703 0.9063 0.5350 0.102 Uiso 1 1 calc R . .
C13 C 1.0489(4) 0.7148(5) 0.6398(3) 0.0598(13) Uani 1 1 d . . .
H13A H 1.0621 0.6470 0.6088 0.072 Uiso 1 1 calc R . .
H13B H 1.0917 0.7902 0.6181 0.072 Uiso 1 1 calc R . .
N1 N 1.1014(4) 0.7114(4) 0.7176(2) 0.0617(11) Uani 1 1 d . . .
H1A H 1.1366 0.7797 0.7426 0.074 Uiso 1 1 calc R . .
N2 N 1.0321(4) 0.5019(4) 0.7165(2) 0.0608(11) Uani 1 1 d . . .
C14 C 1.0979(4) 0.6062(4) 0.7531(3) 0.0517(11) Uani 1 1 d . . .
C15 C 1.1627(5) 0.6099(5) 0.8245(3) 0.0684(15) Uani 1 1 d . . .
H15A H 1.2057 0.6839 0.8497 0.082 Uiso 1 1 calc R . .
C16 C 1.1611(6) 0.5000(6) 0.8568(3) 0.0845(18) Uani 1 1 d . . .
H16A H 1.2053 0.4993 0.9039 0.101 Uiso 1 1 calc R . .
C17 C 1.0951(7) 0.3922(6) 0.8199(4) 0.0873(19) Uani 1 1 d . . .
H17A H 1.0932 0.3175 0.8411 0.105 Uiso 1 1 calc R . .
C18 C 1.0328(6) 0.3985(5) 0.7516(3) 0.0765(17) Uani 1 1 d . . .
H18A H 0.9867 0.3252 0.7269 0.092 Uiso 1 1 calc R . .
P2 P 0.71416(12) 0.50259(11) 0.82732(6) 0.0505(3) Uani 1 1 d . . .
C19 C 0.7686(5) 0.6365(4) 0.8934(3) 0.0570(13) Uani 1 1 d . . .
C20 C 0.8541(6) 0.7375(5) 0.8716(3) 0.0809(19) Uani 1 1 d . . .
H20A H 0.8838 0.7357 0.8234 0.097 Uiso 1 1 calc R . .
C21 C 0.8963(8) 0.8405(5) 0.9193(4) 0.113(3) Uani 1 1 d . . .
H21A H 0.9545 0.9075 0.9036 0.135 Uiso 1 1 calc R . .
C22 C 0.8528(8) 0.8448(6) 0.9901(5) 0.113(3) Uani 1 1 d . . .
H22A H 0.8813 0.9150 1.0224 0.135 Uiso 1 1 calc R . .
C23 C 0.7672(7) 0.7458(6) 1.0139(4) 0.093(2) Uani 1 1 d . . .
H23A H 0.7372 0.7488 1.0620 0.112 Uiso 1 1 calc R . .
C24 C 0.7258(6) 0.6409(5) 0.9649(3) 0.0723(16) Uani 1 1 d . . .
H24A H 0.6687 0.5732 0.9809 0.087 Uiso 1 1 calc R . .
C25 C 0.7492(5) 0.3791(4) 0.8818(2) 0.0558(13) Uani 1 1 d . . .
C26 C 0.8496(5) 0.3981(5) 0.9327(3) 0.0744(16) Uani 1 1 d . . .
H26A H 0.9017 0.4766 0.9411 0.089 Uiso 1 1 calc R . .
C27 C 0.8769(6) 0.3029(5) 0.9730(4) 0.087(2) Uani 1 1 d . . .
H27A H 0.9460 0.3187 1.0086 0.105 Uiso 1 1 calc R . .
C28 C 0.8054(8) 0.1897(6) 0.9611(4) 0.100(2) Uani 1 1 d . . .
H28A H 0.8204 0.1274 0.9908 0.120 Uiso 1 1 calc R . .
C29 C 0.7100(8) 0.1657(6) 0.9053(4) 0.108(2) Uani 1 1 d . . .
H29A H 0.6641 0.0855 0.8934 0.129 Uiso 1 1 calc R . .
C30 C 0.6809(7) 0.2613(5) 0.8659(3) 0.091(2) Uani 1 1 d . . .
H30A H 0.6144 0.2447 0.8284 0.109 Uiso 1 1 calc R . .
C31 C 0.5427(5) 0.4708(5) 0.8275(3) 0.0644(14) Uani 1 1 d . . .
H31A H 0.5046 0.3987 0.7942 0.077 Uiso 1 1 calc R . .
H31B H 0.5197 0.4529 0.8791 0.077 Uiso 1 1 calc R . .
N3 N 0.4948(4) 0.5701(4) 0.8026(2) 0.0680(12) Uani 1 1 d . . .
H3B H 0.4726 0.6141 0.8373 0.082 Uiso 1 1 calc R . .
N4 N 0.5216(4) 0.5375(4) 0.6754(2) 0.0594(11) Uani 1 1 d . . .
C32 C 0.4814(4) 0.6010(5) 0.7283(3) 0.0568(12) Uani 1 1 d . . .
C33 C 0.4284(5) 0.6974(6) 0.7111(4) 0.0772(16) Uani 1 1 d . . .
H33A H 0.4012 0.7405 0.7497 0.093 Uiso 1 1 calc R . .
C34 C 0.4178(6) 0.7269(6) 0.6365(5) 0.091(2) Uani 1 1 d . . .
H34A H 0.3817 0.7898 0.6232 0.109 Uiso 1 1 calc R . .
C35 C 0.4611(6) 0.6624(7) 0.5809(4) 0.090(2) Uani 1 1 d . . .
H35A H 0.4562 0.6822 0.5298 0.109 Uiso 1 1 calc R . .
C36 C 0.5109(6) 0.5695(6) 0.6023(3) 0.0753(16) Uani 1 1 d . . .
H36A H 0.5391 0.5258 0.5646 0.090 Uiso 1 1 calc R . .
N5 N 0.5304(8) 0.2794(8) 0.6602(5) 0.076(3) Uani 0.585(11) 1 d P . .
N5' N 0.9076(10) 0.3599(10) 0.5774(6) 0.067(4) Uani 0.415(11) 1 d P . .
N6 N 0.7234(4) 0.3327(4) 0.6242(2) 0.0593(11) Uani 1 1 d . . .
C37 C 0.6124(7) 0.2522(5) 0.6299(4) 0.0765(18) Uani 1 1 d . . .
C38 C 0.5901(10) 0.1334(7) 0.5962(5) 0.128(4) Uani 1 1 d . . .
H38A H 0.5139 0.0773 0.5991 0.153 Uiso 1 1 calc R . .
C39 C 0.6824(17) 0.1010(10) 0.5588(6) 0.173(7) Uani 1 1 d . . .
H39A H 0.6693 0.0213 0.5383 0.208 Uiso 1 1 calc R . .
C40 C 0.7909(13) 0.1823(10) 0.5515(5) 0.140(4) Uani 1 1 d . . .
H40A H 0.8512 0.1612 0.5238 0.168 Uiso 1 1 calc R . .
C41 C 0.8111(8) 0.2976(6) 0.5858(3) 0.0763(17) Uani 1 1 d . . .
Cl1 Cl 1.33079(15) 1.02251(14) 0.78706(11) 0.0871(5) Uani 1 1 d . . .
O1 O 1.2952(6) 0.9833(6) 0.7095(3) 0.137(2) Uani 1 1 d . . .
O2 O 1.4517(6) 1.0127(7) 0.8036(5) 0.194(3) Uani 1 1 d . . .
O3 O 1.2502(8) 0.9440(7) 0.8291(4) 0.191(3) Uani 1 1 d . . .
O4 O 1.3237(8) 1.1404(5) 0.7978(4) 0.173(3) Uani 1 1 d . . .
N7 N 0.5710(8) 0.3557(10) 1.0358(5) 0.151(3) Uani 1 1 d . . .
C42 C 0.5283(10) 0.2492(12) 1.0390(8) 0.154(4) Uani 1 1 d . . .
C43 C 0.4742(13) 0.1308(12) 1.0405(12) 0.326(13) Uani 1 1 d . . .
H43A H 0.4996 0.1009 1.0882 0.489 Uiso 1 1 calc R . .
H43B H 0.4983 0.0874 0.9986 0.489 Uiso 1 1 calc R . .
H43C H 0.3856 0.1183 1.0360 0.489 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'
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'
P P 0.1023 0.0942 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Cl Cl 0.1484 0.1585 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Ag Ag -0.8971 1.1015 '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
N6 Ag1 P1 119.12(11) . . ?
N6 Ag1 P2 112.88(11) . . ?
P1 Ag1 P2 127.99(5) . . ?
C1 P1 C7 103.7(2) . . ?
C1 P1 C13 105.0(2) . . ?
C7 P1 C13 101.8(2) . . ?
C1 P1 Ag1 115.55(16) . . ?
C7 P1 Ag1 119.93(17) . . ?
C13 P1 Ag1 109.11(15) . . ?
C6 C1 C2 117.6(5) . . ?
C6 C1 P1 117.9(4) . . ?
C2 C1 P1 124.5(4) . . ?
C3 C2 C1 120.7(6) . . ?
C4 C3 C2 121.8(7) . . ?
C3 C4 C5 119.5(7) . . ?
C4 C5 C6 119.3(7) . . ?
C1 C6 C5 121.2(6) . . ?
C8 C7 C12 118.2(5) . . ?
C8 C7 P1 118.9(4) . . ?
C12 C7 P1 122.9(4) . . ?
C9 C8 C7 121.2(6) . . ?
C10 C9 C8 120.2(7) . . ?
C11 C10 C9 119.4(6) . . ?
C10 C11 C12 121.8(7) . . ?
C11 C12 C7 119.2(7) . . ?
N1 C13 P1 112.1(3) . . ?
C14 N1 C13 123.4(4) . . ?
C14 N2 C18 116.5(4) . . ?
N2 C14 N1 117.4(4) . . ?
N2 C14 C15 122.8(4) . . ?
N1 C14 C15 119.8(5) . . ?
C16 C15 C14 117.7(5) . . ?
C17 C16 C15 120.4(5) . . ?
C18 C17 C16 117.3(5) . . ?
N2 C18 C17 125.2(5) . . ?
C19 P2 C25 103.6(2) . . ?
C19 P2 C31 102.7(3) . . ?
C25 P2 C31 102.6(2) . . ?
C19 P2 Ag1 117.61(16) . . ?
C25 P2 Ag1 118.14(17) . . ?
C31 P2 Ag1 110.17(16) . . ?
C24 C19 C20 118.4(5) . . ?
C24 C19 P2 121.9(4) . . ?
C20 C19 P2 119.7(4) . . ?
C21 C20 C19 121.5(6) . . ?
C22 C21 C20 119.9(7) . . ?
C21 C22 C23 120.3(6) . . ?
C22 C23 C24 119.2(7) . . ?
C19 C24 C23 120.7(6) . . ?
C26 C25 C30 117.8(5) . . ?
C26 C25 P2 121.7(4) . . ?
C30 C25 P2 120.2(4) . . ?
C25 C26 C27 121.3(5) . . ?
C28 C27 C26 120.6(6) . . ?
C27 C28 C29 119.4(6) . . ?
C28 C29 C30 120.0(6) . . ?
C25 C30 C29 120.5(6) . . ?
N3 C31 P2 113.2(3) . . ?
C32 N3 C31 125.4(4) . . ?
C32 N4 C36 117.5(5) . . ?
N4 C32 N3 117.3(5) . . ?
N4 C32 C33 122.8(5) . . ?
N3 C32 C33 119.8(5) . . ?
C34 C33 C32 118.3(6) . . ?
C33 C34 C35 119.3(6) . . ?
C36 C35 C34 118.7(6) . . ?
N4 C36 C35 123.3(6) . . ?
C37 N6 C41 119.5(5) . . ?
C37 N6 Ag1 119.9(4) . . ?
C41 N6 Ag1 119.9(4) . . ?
N5 C37 N6 122.4(7) . . ?
N5 C37 C38 118.2(8) . . ?
N6 C37 C38 119.3(8) . . ?
C39 C38 C37 119.2(9) . . ?
C40 C39 C38 121.1(10) . . ?
C39 C40 C41 118.5(11) . . ?
N5' C41 N6 124.5(8) . . ?
N5' C41 C40 113.3(10) . . ?
N6 C41 C40 122.2(8) . . ?
O4 Cl1 O3 112.1(6) . . ?
O4 Cl1 O2 111.1(5) . . ?
O3 Cl1 O2 110.5(5) . . ?
O4 Cl1 O1 109.0(4) . . ?
O3 Cl1 O1 106.1(4) . . ?
O2 Cl1 O1 107.8(5) . . ?
N7 C42 C43 176.5(15) . . ?
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
Ag1 N6 2.350(4) . ?
Ag1 P1 2.4370(12) . ?
Ag1 P2 2.4479(13) . ?
P1 C1 1.805(5) . ?
P1 C7 1.815(5) . ?
P1 C13 1.853(5) . ?
C1 C6 1.366(8) . ?
C1 C2 1.392(7) . ?
C2 C3 1.355(9) . ?
C3 C4 1.339(10) . ?
C4 C5 1.378(10) . ?
C5 C6 1.391(8) . ?
C7 C8 1.380(7) . ?
C7 C12 1.392(7) . ?
C8 C9 1.379(8) . ?
C9 C10 1.361(10) . ?
C10 C11 1.356(10) . ?
C11 C12 1.386(9) . ?
C13 N1 1.448(6) . ?
N1 C14 1.355(6) . ?
N2 C14 1.335(6) . ?
N2 C18 1.341(6) . ?
C14 C15 1.390(7) . ?
C15 C16 1.379(7) . ?
C16 C17 1.366(8) . ?
C17 C18 1.352(8) . ?
P2 C19 1.819(5) . ?
P2 C25 1.823(5) . ?
P2 C31 1.856(5) . ?
C19 C24 1.375(7) . ?
C19 C20 1.377(7) . ?
C20 C21 1.368(8) . ?
C21 C22 1.366(11) . ?
C22 C23 1.374(10) . ?
C23 C24 1.396(8) . ?
C25 C26 1.347(7) . ?
C25 C30 1.365(7) . ?
C26 C27 1.392(7) . ?
C27 C28 1.327(8) . ?
C28 C29 1.357(9) . ?
C29 C30 1.396(8) . ?
C31 N3 1.427(7) . ?
N3 C32 1.364(6) . ?
N4 C32 1.323(6) . ?
N4 C36 1.345(6) . ?
C32 C33 1.397(7) . ?
C33 C34 1.362(9) . ?
C34 C35 1.381(9) . ?
C35 C36 1.358(8) . ?
N5 C37 1.189(9) . ?
N5' C41 1.152(11) . ?
N6 C37 1.353(7) . ?
N6 C41 1.356(8) . ?
C37 C38 1.402(10) . ?
C38 C39 1.377(16) . ?
C39 C40 1.342(16) . ?
C40 C41 1.373(11) . ?
Cl1 O4 1.362(6) . ?
Cl1 O3 1.370(6) . ?
Cl1 O2 1.392(6) . ?
Cl1 O1 1.408(6) . ?
N7 C42 1.183(12) . ?
C42 C43 1.324(14) . ?
