نتایج جستجو برای: non planar polycyclic molecule
تعداد نتایج: 1503113 فیلتر نتایج به سال:
We present the experimental InfraRed Multiple Photon Dissociation (IRMPD) spectrum and fragmentation mass of irregular, cationic PAH dibenzo[a,l]pyrene (C24H14+) in 6–40?m/250–1650 cm?1 range. The use Free-Electron Laser for IntraCavity Experiments (FELICE) enabled us to record its Far-InfraRed (FIR) first time. aim understand how irregularity affects infrared chemistry PAHs. Dibenzo[a,l]pyrene...
Small-molecule synthesis usually relies on procedures that are highly customized for each target. A broadly applicable automated process could greatly increase the accessibility of this class of compounds to enable investigations of their practical potential. Here we report the synthesis of 14 distinct classes of small molecules using the same fully automated process. This was achieved by strat...
The ground and excited state properties of small helium clusters, HeN , containing nanoscale (∼3–10 Å) planar aromatic molecules have been studied with quantum Monte Carlo methods. Ground state structures and energies are obtained from importance-sampled, rigid-body diffusion Monte Carlo. Excited state energies due to helium vibrational motion are evaluated using the projection operator, imagin...
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