Spatial separation of pyrrole and pyrrole-water clusters,Chemical Physics Letters

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Spatial separation of pyrrole and pyrrole-water clusters
Chemical Physics Letters ( IF 2.8 ) Pub Date : 2019-02-14 , DOI: 10.1016/j.cplett.2019.01.052
Melby Johny , Jolijn Onvlee , Thomas Kierspel , Helen Bieker , Sebastian Trippel , Jochen Küpper

We demonstrate the spatial separation of pyrrole and pyrrole (H₂O) clusters from the other atomic and molecular species in a supersonically-expanded beam of pyrrole and traces of water seeded in high-pressure helium gas. The experimental results are quantitatively supported by simulations. The obtained pyrrole (H₂O) cluster beam has a purity of $\sim 100$ $<math><mrow is="true"><mo is="true">∼</mo><mn is="true">100</mn></mrow></math>$ %. The extracted rotational temperature of pyrrole and pyrrole (H₂O) from the original supersonic expansion is $T_{rot} = 0.8 \pm 0.2$ $<math><mrow is="true"><msub is="true"><mrow is="true"><mi is="true">T</mi></mrow><mrow is="true"><mi mathvariant="normal" is="true">rot</mi></mrow></msub><mo is="true">=</mo><mn is="true">0.8</mn><mo is="true">±</mo><mn is="true">0.2</mn></mrow></math>$ K, whereas the temperature of the deflected, pure-pyrrole (H₂O) part of the molecular beam corresponds to $T_{rot} \approx 0.4$ $<math><mrow is="true"><msub is="true"><mrow is="true"><mi is="true">T</mi></mrow><mrow is="true"><mi mathvariant="normal" is="true">rot</mi></mrow></msub><mo is="true">≈</mo><mn is="true">0.4</mn></mrow></math>$ K.

中文翻译：

吡咯和吡咯-水团簇的空间分离

我们证明了吡咯和吡咯（H ₂ O）团簇在超声扩展的吡咯束和高压氦气中注入的水的痕迹中与其他原子和分子种类的空间分离。实验结果得到了模拟的定量支持。所获得的吡咯（H ₂ O）簇束的纯度为 $〜 100$ $<math><mrow is="true"><mo is="true">∼</mo><mn is="true">100</mn></mrow></math>$ ％。从原始超音速膨胀中提取的吡咯和吡咯的旋转温度（H ₂ O）为 $Ť_{腐烂} = 0.8 \pm 0.2$ $<math><mrow is="true"><msub is="true"><mrow is="true"><mi is="true">T</mi></mrow><mrow is="true"><mi mathvariant="normal" is="true">rot</mi></mrow></msub><mo is="true">=</mo><mn is="true">0.8</mn><mo is="true">±</mo><mn is="true">0.2</mn></mrow></math>$ K，而分子束偏转的纯吡咯（H ₂ O）部分的温度对应于 $Ť_{腐烂} \approx 0.4$ $<math><mrow is="true"><msub is="true"><mrow is="true"><mi is="true">T</mi></mrow><mrow is="true"><mi mathvariant="normal" is="true">rot</mi></mrow></msub><mo is="true">≈</mo><mn is="true">0.4</mn></mrow></math>$ K.

更新日期：2019-02-14

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