How to cite

This NSD program is released under the Creative Commons Attribution Non-commercial license - i.e. free for scientists. Source code will be available soon from

If using this program in a scientific publication, please cite the following papers. These also serve to provide context to any shape assignment in your text.

An example would be, in the experimental section:
" NSD analysis was performed [on compounds ...] with the online interface at[x] " and the citation in the journal's style.

Kingsbury, C.J., Senge, M.O., The shape of porphyrins, Coord. Chem. Rev. 2021, 431, 213760.

Christopher J. Kingsbury, Mathias O. Senge,
The shape of porphyrins,
Coordination Chemistry Reviews,
Volume 431,
ISSN 0010-8545,


W. Jentzen, X. Z. Song, and J. A. Shelnutt, J. Phys. Chem. B, 1997, 101, 9, 1684-1699.

The Mondrian feature has not yet been peer-reviewed; if using the Mondrian diagram, a future publication will describe this feature. For now use Kingsbury, C.J., Trinity College Dublin, Personal Communication, (Month, 2021) or cite and I'll field the relevant questions.

Feel free to contact myself( or Mathias ( or through the details listed at or with any queries.

Written by Dr. C.J. Kingsbury, Jan 2021.