Scientists at Oak Ridge National Laboratory, in collaboration with the National Institute of Standards and Technology, have successfully characterized the coordination complex of the elusive element promethium (element 61). Using a combination of experimentation and quantum chemistry simulations, they purified promethium and created a water-soluble complex, enabling the first detailed analysis of its electronic structure. This work, facilitated by the powerful Summit supercomputer, fills a critical gap in understanding promethium and opens avenues for research on other rare earth elements.
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