Table 1 The molecular structure of diesters derived from different lengths of carboxylic acids (nc) and different lengths of alcohols (na), including dioctyl malonate (DOT), dioctyl fumarate (DOF), dioctyl adipate (DOA), dioctyl sebacate (DOS), didodecyl succinate (DOSN)

From: In-situ catalysis of green lubricants into graphitic carbon by iron single atoms to reduce friction and wear

Name

nc

na

Molecular structure

DOT

3

8

DOF

4

8

DOA

6

8

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DOS

10

8

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DOSN

4

12

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  1. The structure differences of the molecules have been highlighted in red.