I am not all that experienced in using the achemso style package. I am trying to prepare an article for Environmental science & research. They want the references as super-scripted numbers in the end of the sentences after the punctuation.

To my understanding this should be the default when using:


using in the text \cite{nameofarticle_xxxx} and implementing the bibliography file as: \bibliography{nameofbibfile}.

However my references show up as numbers in normal text and before the punctuation mark. How do I get them super scripted and behind the punctuation mark? Is there a setting I am missing?

The following MWE shows the issue:

  author = {Colin D. Abernethy and Gareth M. Codd and Mark D. Spicer
    and Michelle K. Taylor},
  title = {{A} highly stable {N}-heterocyclic carbene complex of
    trichloro-oxo-vanadium(\textsc{v}) displaying novel
    {C}l---{C}(carbene) bonding interactions},
  journal = {{J}. {A}m. {C}hem. {S}oc.},
  year = {2003},
  volume = {125},
  pages = {1128--1129},
  number = {5},
  doi = {10.1021/ja0276321},
\title{Demo title}
This is a citation\cite{Abernethy2003}.

enter image description here

Any help is most appreciated

  • Look at the package documentation: sse the super package option. Placing the super-scripted number before the punctuation should be the default, see Sec. 7 'The natmove package' in the docs.
    – Christoph
    Commented Sep 4, 2013 at 9:19
  • I have tried adding the following line, but it does not seem to make any difference: \setkeys{acs}{super=true}. And I have read the info on the natmove package and agree it should be the default, however my output does not show up the intended way. Also I use miktex in combination with texmaker, could this cause it not to behave?
    – Helle
    Commented Sep 4, 2013 at 9:21
  • You are right, setting the super option seems not to work. With journal=esthag I could not switch on the superscripts, and with journal=jacsat, which is what achemso-demo.tex uses, I couldn't switch it off. I'll post an answer as addition to your question.
    – Christoph
    Commented Sep 4, 2013 at 9:44

1 Answer 1


This is an error in achemso which will be fixed in the next release. For the moment, doing

\setkeys{acs}{super = true}

should correct the issues: this resets the flag for achemso and alters the appropriate natbib settings.

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