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Femtosecond time-domain Raman spectroscopy reveals stronger Au–Au bonds in pentamer oligomers, indicating unique bonding features.
Femtosecond time-domain Raman spectroscopy and DFT calculations examine the excited triplet [Au(CN) 2 − ] oligomers from the dimer to pentamer, revealing stronger Au–Au bonds in the central part and a unique nature of the photo-induced p z –p z σ bonds.
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Liu et al. (2025) studied this question.
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