“…We have gone through the comments by Marx and also those of Jayatilaka and co-workers on our recent publication on CH 5 + , SiH 5 + , and GeH 5 + . Jayatilaka and co-workers using the Roby–Gould bond index found that there is a bond between the H atoms in the H 2 moiety of CH 5 + , contrary to the results from the Atoms in Molecules (AIM) theory presented in our work.…”