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PDBeChem : Chemical Bonds
Molecule :
ENB
Bonds between two atoms of the molecule
Total Number of Bonds: 83
50
10 per page
20 per page
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Record
First Atom
Second Atom
First Element
Second Element
Bond Order Type
Bond Length
Bond Stereochemistry
Is Aromatic
1
C1
C2
C
C
sing
1.51
N
N
2
C1
N1
C
N
sing
1.46
N
N
3
C1
C15
C
C
sing
1.53
N
N
4
C1
H1
C
H
sing
1.09
N
N
5
C2
C26
C
C
doub
1.33
E
N
6
C2
H2
C
H
sing
1.08
N
N
7
N1
C3
N
C
sing
1.35
N
N
8
N1
HN1
N
H
sing
0.97
N
N
9
C3
C4
C
C
sing
1.51
N
N
10
C3
O1
C
O
doub
1.21
N
N
11
C4
N2
C
N
sing
1.46
N
N
12
C4
C5
C
C
sing
1.51
N
N
13
C4
H4
C
H
sing
1.09
N
N
14
N2
C11
N
C
sing
1.35
N
N
15
N2
HN2
N
H
sing
0.97
N
N
16
C5
C6
C
C
sing
1.38
N
Y
17
C5
C10
C
C
doub
1.38
N
Y
18
C6
C7
C
C
doub
1.38
N
Y
19
C6
H6
C
H
sing
1.08
N
N
20
C7
C8
C
C
sing
1.38
N
Y
21
C7
H7
C
H
sing
1.08
N
N
22
C8
C9
C
C
doub
1.38
N
Y
23
C8
H8
C
H
sing
1.08
N
N
24
C9
C10
C
C
sing
1.38
N
Y
25
C9
H9
C
H
sing
1.08
N
N
26
C10
H10
C
H
sing
1.08
N
N
27
C11
C12
C
C
sing
1.51
N
N
28
C11
O2
C
O
doub
1.21
N
N
29
C12
N3
C
N
sing
1.46
N
N
30
C12
C20
C
C
sing
1.53
N
N
31
C12
H12
C
H
sing
1.09
N
N
32
N3
C13
N
C
sing
1.35
N
N
33
N3
HN3
N
H
sing
0.97
N
N
34
C13
O3
C
O
sing
1.35
N
N
35
C13
O4
C
O
doub
1.22
N
N
36
O3
C14
O
C
sing
1.45
N
N
37
C14
C23
C
C
sing
1.53
N
N
38
C14
C24
C
C
sing
1.53
N
N
39
C14
C25
C
C
sing
1.53
N
N
40
C15
C16
C
C
sing
1.53
N
N
41
C15
H151
C
H
sing
1.09
N
N
42
C15
H152
C
H
sing
1.09
N
N
43
C16
C17
C
C
sing
1.55
N
N
44
C16
C19
C
C
sing
1.51
N
N
45
C16
H16
C
H
sing
1.09
N
N
46
C17
C18
C
C
sing
1.54
N
N
47
C17
H171
C
H
sing
1.09
N
N
48
C17
H172
C
H
sing
1.09
N
N
49
C18
N4
C
N
sing
1.47
N
N
50
C18
H181
C
H
sing
1.09
N
N
51
C18
H182
C
H
sing
1.09
N
N
52
N4
C19
N
C
sing
1.35
N
N
53
N4
HN4
N
H
sing
0.97
N
N
54
C19
O5
C
O
doub
1.21
N
N
55
C20
C21
C
C
sing
1.53
N
N
56
C20
C22
C
C
sing
1.53
N
N
57
C20
H20
C
H
sing
1.09
N
N
58
C21
H211
C
H
sing
1.09
N
N
59
C21
H212
C
H
sing
1.09
N
N
60
C21
H213
C
H
sing
1.09
N
N
61
C22
H221
C
H
sing
1.09
N
N
62
C22
H222
C
H
sing
1.09
N
N
63
C22
H223
C
H
sing
1.09
N
N
64
C23
H231
C
H
sing
1.09
N
N
65
C23
H232
C
H
sing
1.09
N
N
66
C23
H233
C
H
sing
1.09
N
N
67
C24
H241
C
H
sing
1.09
N
N
68
C24
H242
C
H
sing
1.09
N
N
69
C24
H243
C
H
sing
1.09
N
N
70
C25
H251
C
H
sing
1.09
N
N
71
C25
H252
C
H
sing
1.09
N
N
72
C25
H253
C
H
sing
1.09
N
N
73
C26
C27
C
C
sing
1.47
N
N
74
C26
H26
C
H
sing
1.08
N
N
75
C27
O6
C
O
sing
1.35
N
N
76
C27
O7
C
O
doub
1.22
N
N
77
O6
C28
O
C
sing
1.45
N
N
78
C28
C29
C
C
sing
1.53
N
N
79
C28
H281
C
H
sing
1.09
N
N
80
C28
H282
C
H
sing
1.09
N
N
81
C29
H291
C
H
sing
1.09
N
N
82
C29
H292
C
H
sing
1.09
N
N
83
C29
H293
C
H
sing
1.09
N
N