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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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