Code: Select all
\setatomsep{1.8em}
Code: Select all
\chemfig[atom sep=1.8em]{<molecule code>}
Code: Select all
\setchemfig{atom sep=1.8em}
Code: Select all
\setatomsep{1.8em}
Code: Select all
\chemfig[atom sep=1.8em]{<molecule code>}
Code: Select all
\setchemfig{atom sep=1.8em}