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| molecules:ism:cyanomethanimin [2024/05/17 16:07] – mueller | molecules:ism:cyanomethanimin [2024/05/17 16:08] (current) – mueller |
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| **[[https://doi.org/10.3847/1538-4357/ad3af3|First Detection in Space of the High-energy Isomer of Cyanomethanimine: H<sub>2</sub>CNCN]]**\\ | **[[https://doi.org/10.3847/1538-4357/ad3af3|First Detection in Space of the High-energy Isomer of Cyanomethanimine: H<sub>2</sub>CNCN]]**\\ |
| //Astrophys. J.// **967**, Art. No 39 (2024).\\ | //Astrophys. J.// **967**, Art. No 39 (2024).\\ |
| The results were obtained in the course of line surveys of the Galactic center source G 0.693–0.03 using the Yebes 40 m and IRAM 30 m telescopes. 14 //a//-type transitions with 2 ≤ //J// ≤ 10, //K<sub>a</sub>// ≤ 2 were identified between 31 and 107 GHz. Six of these transitions were unblended or only slightly blended. A non-thermal C-/N-cyanomethanimine ratio of ~32 was derived, while the //Z//-///E//-cyanomethanimine ratio of ~4.5 was deemed to be thermal, as may be expected for a pair of conformers. In contrast, N-cyanomethanimine is an isomer ov C-cyanomethanimine, meaning, it requires the formal breaking of at least one bond for interconversion.\\ | The results were obtained in the course of line surveys of the Galactic center source G 0.693–0.03 using the Yebes 40 m and IRAM 30 m telescopes. 14 //a//-type transitions with 2 ≤ //J// ≤ 10, //K<sub>a</sub>// ≤ 2 were identified between 31 and 107 GHz. Six of these transitions were unblended or only slightly blended. A non-thermal C-/N-cyanomethanimine ratio of ~32 was derived, while the //Z//-///E//-cyanomethanimine ratio of ~4.5 was deemed to be thermal, as may be expected for a pair of conformers. In contrast, N-cyanomethanimine is an isomer of C-cyanomethanimine, meaning, it requires the formal breaking of at least one bond for interconversion.\\ |
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