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molecules:ism:benzyne [2021/08/24 13:03]
mueller
molecules:ism:benzyne [2021/08/24 13:03] (current)
mueller
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 **[[https://​doi.org/​10.1051/​0004-6361/​202141660|Discovery of Benzyne, //​o//​-C<​sub>​6</​sub>​H<​sub>​4</​sub>,​ in TMC-1 with the QUIJOTE Line Survey]]**\\ **[[https://​doi.org/​10.1051/​0004-6361/​202141660|Discovery of Benzyne, //​o//​-C<​sub>​6</​sub>​H<​sub>​4</​sub>,​ in TMC-1 with the QUIJOTE Line Survey]]**\\
 //Astron. Astrophys.//​ **652**, Art. No. L9 (2021).\\ //Astron. Astrophys.//​ **652**, Art. No. L9 (2021).\\
-The //ortho// isomer of benzyne, //​c//​-C<​sub>​6</​sub>​H<​sub>​4</​sub>,​ was identified through nine //b//-type transitions with 2 ≤ //J// ≤ 7 and //​K<​sub>​a</​sub>//​ ≤ 2 in the course of a molecular line survey of the prototypical cold dark molecular cloud TMC-1 carried out with the Yebes 40 m radio telescope between 31.0 and 50.3 GHz. Six of these lines appear to be unblended or only slightly blended. A value of //​T//<​sub>​rot</​sub>​ ≈ 7 K was derived. The column density of //​ortho//​-benzyne is much lower than that of, e.g., cyclopentadiene and indene and similar to that of ethynylcylopropenylidene.//+The //ortho// isomer of benzyne, //​c//​-C<​sub>​6</​sub>​H<​sub>​4</​sub>,​ was identified through nine //b//-type transitions with 2 ≤ //J// ≤ 7 and //​K<​sub>​a</​sub>//​ ≤ 2 in the course of a molecular line survey of the prototypical cold dark molecular cloud TMC-1 carried out with the Yebes 40 m radio telescope between 31.0 and 50.3 GHz. Six of these lines appear to be unblended or only slightly blended. A value of //​T//<​sub>​rot</​sub>​ ≈ 7 K was derived. The column density of //​ortho//​-benzyne is much lower than that of, e.g., cyclopentadiene and indene and similar to that of ethynylcylopropenylidene.\\
  
  
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