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Ruf, A. ; Kanawati, B. ; Hertkorn, N. ; Yin, Q.Z.* ; Moritz, F. ; Harir, M. ; Lucio, M. ; Michalke, B. ; Wimpenny, J.* ; Shilobreeva, S.* ; Bronsky, B.* ; Saraykin, V.* ; Gabelica, Z.* ; Gougeon, R.D.* ; Quirico, E.* ; Ralew, S.* ; Jakubowski, T.* ; Haack, H.* ; Gonsior, M.* ; Jenniskens, P.* ; Hinman, N.* ; Schmitt-Kopplin, P.

Previously unknown class of metalorganic compounds revealed in meteorites.

Proc. Natl. Acad. Sci. U.S.A. 114, 2819-2824 (2017)
Verlagsversion Forschungsdaten DOI PMC
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The rich diversity and complexity of organic matter found in meteorites is rapidly expanding our knowledge and understanding of extreme environments from which the early solar system emerged and evolved. Here, we report the discovery of a hitherto unknown chemical class, dihydroxymagnesium carboxylates [(OH)2MgO2CR]-, in meteoritic soluble organic matter. High collision energies, which are required for fragmentation, suggest substantial thermal stability of these Mg-metalorganics (CHOMg compounds). This was corroborated by their higher abundance in thermally processed meteorites. CHOMg compounds were found to be present in a set of 61 meteorites of diverse petrological classes. The appearance of this CHOMg chemical class extends the previously investigated, diverse set of CHNOS molecules. A connection between the evolution of organic compounds and minerals is made, as Mg released from minerals gets trapped into organic compounds. These CHOMg metalorganic compounds and their relation to thermal processing in meteorites might shed new light on our understanding of carbon speciation at a molecular level in meteorite parent bodies.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Fourier transform ion cyclotron resonance mass spectrometry; astrochemistry; metalorganic chemistry; meteorites; organic evolution; Extraterrestrial Amino-acids; Organic-matter; Murchison Meteorite; Carbonaceous Meteorites; Mass-spectrometry; Parent Body; Magnesium; Chemistry; Chondrite; Fall
Sprache englisch
Veröffentlichungsjahr 2017
HGF-Berichtsjahr 2017
ISSN (print) / ISBN 0027-8424
e-ISSN 1091-6490
Zeitschrift Proceedings of the National Academy of Sciences of the United States of America
Quellenangaben Band: 114, Heft: 11, Seiten: 2819-2824 Artikelnummer: , Supplement: ,
Verlag National Academy of Sciences
Verlagsort Washington
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit BioGeoChemistry and Analytics (BGC)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504800-001
G-504800-002
DOI 10.1073/pnas.1616019114
WOS ID WOS:000396094200031
Scopus ID 85015361651
PubMed ID 28242686
Erfassungsdatum 2017-03-01
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