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| Gas-phase formation of the resonantly stabilized 1-indenyl (C9H7?) radical in the interstellar medium | |
Yang, Zhenghai1; Galimova, Galiya R.2; He, Chao1; Goettl, Shane J.1; Paul, Dababrata1; Lu, Wenchao3; Ahmed, Musahid3; Mebel, Alexander M.2; Li, Xiaohu4,5 ; Kaiser, Ralf I.1
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| 2023-09-08 | |
| Source Publication | SCIENCE ADVANCES
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| ISSN | 2375-2548 |
| Volume | 9Issue:36Pages:eadi5060 |
| Contribution Rank | 4 |
| Abstract | The 1-indenyl (C9H7 center dot) radical, a prototype aromatic and resonantly stabilized free radical carrying a six- and a five-membered ring, has emerged as a fundamental molecular building block of nonplanar polycyclic aromatic hydrocarbons (PAHs) and carbonaceous nanostructures in deep space and combustion systems. However, the underlying formation mechanisms have remained elusive. Here, we reveal an unconventional low-temperature gas-phase formation of 1-indenyl via barrierless ring annulation involving reactions of atomic carbon [C(P-3)] with styrene (C6H5C2H3) and propargyl (C3H3 center dot) with phenyl (C6H5 center dot). Macroscopic environments like molecular clouds act as natural low-temperature laboratories, where rapid molecular mass growth to 1-indenyl and subsequently complex PAHs involving vinyl side-chained aromatics and aryl radicals can occur. These reactions may account for the formation of PAHs and their derivatives in the interstellar medium and carbonaceous chondrites and could close the gap of timescales of their production and destruction in our carbonaceous universe. |
| DOI | 10.1126/sciadv.adi5060 |
| Indexed By | SCI |
| Language | 英语 |
| WOS Keyword | POLYCYCLIC AROMATIC-HYDROCARBONS ; CROSSED-BEAM REACTION ; CHEMICAL-DYNAMICS ; C6H6(X (1)A(1G)) ; ATOMIC CARBON ; AB-INITIO ; MOLECULES ; BENZENE ; C(P-3(J)) ; CHEMISTRY |
| Funding Project | U.S. Department of Energy, Basic Energy Sciences[DE-FG02-03ER15411] ; U.S. Department of Energy, Basic Energy Sciences[DE-FG02-04ER15570] ; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy through the Gas Phase Chemical Physics program of the Chemical Sciences Division[DE-AC02-05CH11231] ; Xinjiang Tianchi project (2019) |
| WOS Research Area | Science & Technology - Other Topics |
| WOS Subject | Multidisciplinary Sciences |
| WOS ID | WOS:001129563900016 |
| Publisher | AMER ASSOC ADVANCEMENT SCIENCE |
| Funding Organization | U.S. Department of Energy, Basic Energy Sciences ; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy through the Gas Phase Chemical Physics program of the Chemical Sciences Division ; Xinjiang Tianchi project (2019) |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.xao.ac.cn/handle/45760611-7/5719 |
| Collection | 射电天文研究室_天体化学研究团组 |
| Corresponding Author | Ahmed, Musahid; Mebel, Alexander M.; Li, Xiaohu; Kaiser, Ralf I. |
| Affiliation | 1.Univ Hawaii Manoa, Dept Chem, 2545 McCarthy Mall, Honolulu, HI 96822 USA 2.Florida Inter Natl Univ, Dept Chem & Biochem, Miami, FL 33199 USA 3.Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA 4.Chinese Acad Sci, Xinjiang Astron Observatory, Urumqi 830011, Xinjiang, Peoples R China 5.Chinese Acad Sci, Key Lab Radio Astron, Urumqi 830011, Xinjiang, Peoples R China |
| Recommended Citation GB/T 7714 | Yang, Zhenghai,Galimova, Galiya R.,He, Chao,et al. Gas-phase formation of the resonantly stabilized 1-indenyl (C9H7?) radical in the interstellar medium[J]. SCIENCE ADVANCES,2023,9(36):eadi5060. |
| APA | Yang, Zhenghai.,Galimova, Galiya R..,He, Chao.,Goettl, Shane J..,Paul, Dababrata.,...&Kaiser, Ralf I..(2023).Gas-phase formation of the resonantly stabilized 1-indenyl (C9H7?) radical in the interstellar medium.SCIENCE ADVANCES,9(36),eadi5060. |
| MLA | Yang, Zhenghai,et al."Gas-phase formation of the resonantly stabilized 1-indenyl (C9H7?) radical in the interstellar medium".SCIENCE ADVANCES 9.36(2023):eadi5060. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| Yang-2023-Gas-phase （1136KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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