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Table 3 The reference bond lengths (Ã…)

From: A rule-based algorithm for automatic bond type perception

Bond

L1a

L2b

C-C

1.49

1.33

C-N

1.43

1.29

C-O

1.41

1.28

C-S

1.80

1.72

N-N

1.38

1.29

N-O

1.39

1.24

  1. aL1 represents the length of single bond; bL2 represents the length of double bond.