期刊
SCIENCE
卷 342, 期 6164, 页码 1354-1357出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1244180
关键词
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资金
- CfA Postdoctoral Fellowship from the Smithsonian Astrophysical Observatory
- NSF [CHE-1058063]
- National Science Foundation [OCI-0923037]
- Acquisition of a Parallel Computing Cluster and Storage for the Marquette University Grid (MUGrid)
- Acquisition of a Linux Cluster [CBET-0521602]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1058063] Funding Source: National Science Foundation
Nitric oxide (NO) reacts with hydroxyl radicals (OH) in the gas phase to produce nitrous acid, HONO, but essentially nothing is known about the isomeric nitrosyl-O-hydroxide (HOON), owing to its perceived instability. We report the detection of gas-phase HOON in a supersonic molecular beam by Fourier transform microwave spectroscopy and a precise determination of its molecular structure by further spectroscopic analysis of its H-2, N-15, and O-18 isotopologs. HOON contains the longest O-O bond in any known molecule (1.9149 +/- 0.0005 angstrom) and appears surprisingly stable, with an abundance roughly 3% that of HONO in our experiments.
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