Diazenylium | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-08

This is an audio version of the Wikipedia Article:
Diazenylium


00:00:58 1 Astronomical detections
00:03:51 2 Laboratory detections
00:05:57 3 Chemistry
00:06:28 4 References
00:06:45 undefined



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SUMMARY
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Diazenylium is the chemical N2H+, an inorganic cation that was one of the first ions to be observed in interstellar clouds.  Since then, it has been observed for in several different types of interstellar environments, observations that have several different scientific uses.  It gives astronomers information about the fractional ionization of gas clouds, the chemistry that happens within those clouds, and it is often used as a tracer for molecules that are not as easily detected (such as N2).  Its 1–0 rotational transition occurs at 93.174 GHz, a region of the spectrum where Earth's atmosphere is transparent and it has a significant optical depth in both cold and warm clouds so it is relatively easy to observe with ground-based observatories.  The results of N2H+ observations can be used not only for determining the chemistry of interstellar clouds, but also for mapping the density and velocity profiles of these clouds.