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Correction: Resolving the anomalous infrared spectrum of the MeCN–HCl molecular cluster using ab Initio molecular dynamics

Nicolai Bork *ab, Ville Loukonen a, Henrik G. Kjaergaard b and Hanna Vehkamäki a
aDepartment of Physics, University of Helsinki, FI-00014 Helsinki, Finland. E-mail: nicolai.bork@helsinki.fi; Tel: +358 50 318 2219
bDepartment of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen O, Denmark

Received 18th August 2015 , Accepted 18th August 2015

First published on 27th August 2015


Abstract

Correction for ‘Resolving the anomalous infrared spectrum of the MeCN–HCl molecular cluster using ab Initio molecular dynamics’ by Nicolai Bork et al., Phys. Chem. Chem. Phys., 2014, 16, 24685–24690.


In our original manuscript, we wrote about and discussed the angular distribution of the H–N–Cl angle from a Molecular Dynamics (MD) simulation trajectory. We stated that the global energy minimum conformation of 180 degrees was essentially unpopulated, and that the most populated value of the H–N–Cl angle was 162 degrees. With this comment, we stress that it is not a surprise that the global energy minimum conformation is almost unpopulated. This is a geometrical consequence, as the volume element, sin(θ), goes to zero, when θ goes to 180 degrees, where θ is the angle defined by the three atoms. If the population from the MD simulation, shown in Fig. 3 of the article, is divided by the volume element associated with the H–N–Cl coordinate, the maximum in the ensuing probability is shifted towards the global energy minimum, as expected. The simulation of the IR spectrum and the conclusions drawn from this simulation, which is the main focus of our manuscript, are unaffected.

We are grateful to Professor Martin Suhm, Professor Lauri Halonen, and Kasper Mackeprang for helpful discussions.

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


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