Does Vibrational Circular Dichroism (VCD) require the presence of a chromophore or a group with distinct IR absorption?

I have diterpene pyrones with 6 stereocenters. The molecules have a strong alpha pyrone chromophore as well as 2 carbonyls. However, at least 4 of them are far from those chromophores ? Would that...

11 November 2017 7,592 4 View