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PDBeChem : Chemical Bonds
Molecule :
EPH
Bonds between two atoms of the molecule
Total Number of Bonds: 116
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
1.53
N
N
2
C1
O2
C
O
sing
1.45
N
N
3
C1
H11
C
H
sing
1.09
N
N
4
C1
H12A
C
H
sing
1.09
N
N
5
C2
C37
C
C
sing
1.53
N
N
6
C2
O1
C
O
sing
1.45
N
N
7
C2
H2
C
H
sing
1.09
N
N
8
C4
O2
C
O
sing
1.34
N
N
9
C4
O4
C
O
doub
1.21
N
N
10
C4
C18
C
C
sing
1.51
N
N
11
C18
C19
C
C
sing
1.53
N
N
12
C18
H181
C
H
sing
1.09
N
N
13
C18
H182
C
H
sing
1.09
N
N
14
C19
C20
C
C
sing
1.53
N
N
15
C19
H191
C
H
sing
1.09
N
N
16
C19
H192
C
H
sing
1.09
N
N
17
C20
C21
C
C
sing
1.53
N
N
18
C20
H201
C
H
sing
1.09
N
N
19
C20
H202
C
H
sing
1.09
N
N
20
C21
C22
C
C
sing
1.53
N
N
21
C21
H211
C
H
sing
1.09
N
N
22
C21
H212
C
H
sing
1.09
N
N
23
C22
C23
C
C
sing
1.53
N
N
24
C22
H221
C
H
sing
1.09
N
N
25
C22
H222
C
H
sing
1.09
N
N
26
C23
C24
C
C
sing
1.51
N
N
27
C23
H231
C
H
sing
1.09
N
N
28
C23
H232
C
H
sing
1.09
N
N
29
C24
C25
C
C
doub
1.31
E
N
30
C24
H24
C
H
sing
1.08
N
N
31
C25
C26
C
C
sing
1.51
N
N
32
C25
H25
C
H
sing
1.08
N
N
33
C26
C27
C
C
sing
1.53
N
N
34
C26
H261
C
H
sing
1.09
N
N
35
C26
H262
C
H
sing
1.09
N
N
36
C27
C28
C
C
sing
1.51
N
N
37
C27
H271
C
H
sing
1.09
N
N
38
C27
H272
C
H
sing
1.09
N
N
39
C28
C29
C
C
doub
1.31
E
N
40
C28
H28
C
H
sing
1.08
N
N
41
C29
C30
C
C
sing
1.51
N
N
42
C29
H29
C
H
sing
1.08
N
N
43
C30
C31
C
C
sing
1.53
N
N
44
C30
H301
C
H
sing
1.09
N
N
45
C30
H302
C
H
sing
1.09
N
N
46
C31
C32
C
C
sing
1.51
N
N
47
C31
H311
C
H
sing
1.09
N
N
48
C31
H312
C
H
sing
1.09
N
N
49
C32
C33
C
C
doub
1.31
E
N
50
C32
H32
C
H
sing
1.08
N
N
51
C33
C34
C
C
sing
1.51
N
N
52
C33
H33
C
H
sing
1.08
N
N
53
C34
H341
C
H
sing
1.09
N
N
54
C34
H342
C
H
sing
1.09
N
N
55
C34
H343
C
H
sing
1.09
N
N
56
C37
O5
C
O
sing
1.43
N
N
57
C37
H371
C
H
sing
1.09
N
N
58
C37
H372
C
H
sing
1.09
N
N
59
O5
P1
O
P
sing
1.61
N
N
60
C3
O1
C
O
sing
1.34
N
N
61
C3
O3
C
O
doub
1.21
N
N
62
C3
C5
C
C
sing
1.51
N
N
63
C5
C6
C
C
sing
1.53
N
N
64
C5
H51
C
H
sing
1.09
N
N
65
C5
H52
C
H
sing
1.09
N
N
66
C6
C7
C
C
sing
1.53
N
N
67
C6
H61
C
H
sing
1.09
N
N
68
C6
H62
C
H
sing
1.09
N
N
69
C7
C8
C
C
sing
1.53
N
N
70
C7
H71
C
H
sing
1.09
N
N
71
C7
H72
C
H
sing
1.09
N
N
72
C8
C9
C
C
sing
1.53
N
N
73
C8
H81
C
H
sing
1.09
N
N
74
C8
H82
C
H
sing
1.09
N
N
75
C9
C10
C
C
sing
1.53
N
N
76
C9
H91
C
H
sing
1.09
N
N
77
C9
H92
C
H
sing
1.09
N
N
78
C10
C11
C
C
sing
1.53
N
N
79
C10
H101
C
H
sing
1.09
N
N
80
C10
H102
C
H
sing
1.09
N
N
81
C11
C12
C
C
sing
1.51
N
N
82
C11
H111
C
H
sing
1.09
N
N
83
C11
H112
C
H
sing
1.09
N
N
84
C12
C13
C
C
doub
1.31
E
N
85
C12
H12
C
H
sing
1.08
N
N
86
C13
C14
C
C
sing
1.51
N
N
87
C13
H13
C
H
sing
1.08
N
N
88
C14
C15
C
C
sing
1.51
N
N
89
C14
H141
C
H
sing
1.09
N
N
90
C14
H142
C
H
sing
1.09
N
N
91
C15
C16
C
C
doub
1.31
E
N
92
C15
H15
C
H
sing
1.08
N
N
93
C16
C17
C
C
sing
1.51
N
N
94
C16
H16
C
H
sing
1.08
N
N
95
C17
C35
C
C
sing
1.53
N
N
96
C17
H171
C
H
sing
1.09
N
N
97
C17
H172
C
H
sing
1.09
N
N
98
C35
C36
C
C
sing
1.53
N
N
99
C35
H351
C
H
sing
1.09
N
N
100
C35
H352
C
H
sing
1.09
N
N
101
C36
H361
C
H
sing
1.09
N
N
102
C36
H362
C
H
sing
1.09
N
N
103
C36
H363
C
H
sing
1.09
N
N
104
P1
O6
P
O
sing
1.61
N
N
105
P1
O7
P
O
doub
1.48
N
N
106
P1
O8
P
O
sing
1.61
N
N
107
O6
HO6
O
H
sing
0.97
N
N
108
O8
C38
O
C
sing
1.43
N
N
109
C38
C39
C
C
sing
1.53
N
N
110
C38
H381
C
H
sing
1.09
N
N
111
C38
H382
C
H
sing
1.09
N
N
112
C39
N1
C
N
sing
1.47
N
N
113
C39
H391
C
H
sing
1.09
N
N
114
C39
H392
C
H
sing
1.09
N
N
115
N1
HN11
N
H
sing
1.01
N
N
116
N1
HN12
N
H
sing
1.01
N
N