The Butadiene R code is attached as a txt file [butadiene.txt](https://github.com/GMPtk/GMPtk.github.io/files/4186737/butadiene.txt) The snapshot of the error obtained is attached as a PNG file. 
The Butadiene R code is attached as a txt file

butadiene.txt
The snapshot of the error obtained is attached as a PNG file.