CRASY: Mass- or Electron-Correlated Rotational Alignment Spectroscopy
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- CRASY: Mass- or Electron-Correlated Rotational Alignment Spectroscopy
- Schroeter, Christian; Kosma, Kyriaki; Schultz, Thomas
- NUCLEAR-MAGNETIC-RESONANCE; 2-DIMENSIONAL SPECTROSCOPY; COHERENCE SPECTROSCOPY; PROTON-TRANSFER; MOLECULES; CONSTANTS; NMR; FRAME
- Issue Date
- AMER ASSOC ADVANCEMENT SCIENCE
- SCIENCE, v.333, no.6045, pp.1011 - 1015
- Rotational spectra have traditionally been measured without a concurrent means of differentiating the molecular constituents of the sample. Here, we present an all-optical multipulse experiment that allows the correlated measurement of rotational and mass or photoelectron spectra by combining Fourier transform rotational coherence spectroscopy with resonance-enhanced multiphoton ionization. We demonstrate the power of this method with the determination of ground-state rotational constants and fragmentation channels for 10 different isotopes in a natural carbon disulfide sample. Three of the reported rotational constants were previously inaccessible by conventional spectroscopic techniques.
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