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U.S. Department of Energy Office of Science

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A gas-phase X-Ray scattering experiment captures cyclopentadiene rapidly transforming into the strained bicyclo[2.1.0]pentene. This structure change is triggered by a pump pulse (blue) and detected through X-ray scattering (yellow).

Carbon Rings Under Stress

Ultrafast X-ray experiments provide direct evidence that interaction of light with a hydrocarbon molecule produces strained molecular rings.

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