Additions and corrections

Corrugated layered heptazine-based carbon nitride: the lowest energy modifications of C₃N₄ ground state

J. Gracia and P. Kroll

J. Mater. Chem.,, 2009, 19 (DOI: 10.1039/b821568e). Amendment published 21st April 2009.

The authors wish to add the following Acknowledgements:

This project was supported by the Deutsche Forschungsgemeinschaft (DFG, SPP 1236, “Synthesis, ‘in situ’ Characterization and Quantum Mechanical Modeling of Earth Materials, Oxides, Carbides and Nitrides at Extremely High Pressures and Temperatures”, KR1805/11-1). P.K. also thanks the DFG for a Heisenberg-Fellowship. We are grateful for many discussions with J. Senker and W. Schnick. Computations were facilitated through generous grants of the CCC at RTWH Aachen, the FZ Jülich, and the TACC at Austin.

Also, the authors wish to amend their address details as follows:

In address a the street (700 Planetarium Pl.) was omitted; in address b the street should be Landoltweg 1 instead of Professor-Pirlet-Strasse 1; address c is the current contact address of Dr Gracia but was not where the work was carried out; the email address of the second author was omitted: pkroll@uta.edu

The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.

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