This is a similar study to our work published in Nature Communications earlier this year. Here, we investigate diatomic molecules and use a two-color X-ray pump–X-ray probe approach. The pump pulse arrives first and induces dynamics, whereas the probe pulse arrives at a certain time delay and allows us to look at the induced dynamics. Theoretic predictions align well with the observed dynamics, such that we establish a microscopic understanding of the processes. The work has been mainly driven by A. Picon and C.S. Lehmann, whom I particularly congratulate to this paper. Please find more at.