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PDBeChem : Chemical Bonds
Molecule :
4BU
Bonds between two atoms of the molecule
Total Number of Bonds: 49
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
C8
O9
C
O
doub
1.21
N
N
2
C7
C8
C
C
sing
1.51
N
N
3
C8
N10
C
N
sing
1.35
N
N
4
C7
C6
C
C
sing
1.53
N
N
5
C7
H7
C
H
sing
1.09
N
N
6
C7
H7A
C
H
sing
1.09
N
N
7
C4
C6
C
C
sing
1.53
N
N
8
C6
H6
C
H
sing
1.09
N
N
9
C6
H6A
C
H
sing
1.09
N
N
10
N5
C4
N
C
sing
1.47
N
N
11
C4
C2
C
C
sing
1.51
N
N
12
C4
H4
C
H
sing
1.09
N
N
13
N5
HN5
N
H
sing
1.01
N
N
14
N5
HN5A
N
H
sing
1.01
N
N
15
O3
C2
O
C
doub
1.21
N
N
16
C2
O1
C
O
sing
1.34
N
N
17
O1
HO1
O
H
sing
0.97
N
N
18
N10
C12
N
C
sing
1.4
N
N
19
N10
HN10
N
H
sing
0.97
N
N
20
C12
C17
C
C
doub
1.39
N
Y
21
C12
C13
C
C
sing
1.39
N
Y
22
C13
C14
C
C
doub
1.38
N
Y
23
C13
H13
C
H
sing
1.08
N
N
24
C15
C14
C
C
sing
1.39
N
Y
25
C14
H14
C
H
sing
1.08
N
N
26
C16
C15
C
C
doub
1.39
N
Y
27
C15
O18
C
O
sing
1.36
N
N
28
C17
C16
C
C
sing
1.38
N
Y
29
C16
H16
C
H
sing
1.08
N
N
30
C17
H17
C
H
sing
1.08
N
N
31
O18
C19
O
C
sing
1.43
N
N
32
C19
C20
C
C
sing
1.53
N
N
33
C19
H19
C
H
sing
1.09
N
N
34
C19
H19A
C
H
sing
1.09
N
N
35
C20
C23
C
C
sing
1.51
N
N
36
C20
O21
C
O
sing
1.43
N
N
37
C20
H20
C
H
sing
1.09
N
N
38
O21
HO21
O
H
sing
0.97
N
N
39
C24
C23
C
C
doub
1.38
N
Y
40
C23
C28
C
C
sing
1.38
N
Y
41
C24
C25
C
C
sing
1.38
N
Y
42
C24
H24
C
H
sing
1.08
N
N
43
C25
C26
C
C
doub
1.38
N
Y
44
C25
H25
C
H
sing
1.08
N
N
45
C26
C27
C
C
sing
1.38
N
Y
46
C26
H26
C
H
sing
1.08
N
N
47
C28
C27
C
C
doub
1.38
N
Y
48
C27
H27
C
H
sing
1.08
N
N
49
C28
H28
C
H
sing
1.08
N
N