Additions and corrections
A dual-synthon in pyridinium chloride: formation of ladder-like and columnar motifs through hydrogen bonds and cation–π interactions
Shinji Yamada, Nodoka Sako, Mai Okuda and Atsuko Hozumi
CrystEngComm, 2013 (DOI: 10.1039/C2CE26547H ). Amendment published 19th November 2012.
The original paper contained an error in the indication of H-bonds.
The following correction applies throughout the manuscript:
2R4(10) should be changed to 
The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.
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