Folder contains structures from gaussian optimizations of hydrogen bonded HCN and a cyanide anion. 
All structures were modeled in a pure HCN liquid modeled with water PCM model and an epsilon of 144.8. 

B3LYP:
CN_n20.xyz
n19.xyz
n20.xyz
readme.txt

PBE:
CN_n20.xyz
n19.xyz
n20.xyz
readme.txt
