2009
DOI: 10.1002/ange.200904968
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N2.3−: eine Lücke in der N2n‐Reihe gefüllt

Abstract: Eine unerwartete Stabilität des exotischen N2.3− wurde in Komplexen mit Dy3+ und Y3+ beobachtet. Das Produkt der Drei‐Elektronen‐Reduktion von N2 ist isoelektronisch zum Superoxid O2.− (siehe Schema) und ist auch eine mögliche Zwischenstufe bei der Konversion von N2 zu NH3.

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Cited by 13 publications
(3 citation statements)
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References 45 publications
(41 reference statements)
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“…This aspect is all the more important because the scope of potentially redox-active ligands is continuously being extended beyond the better-established systems (cf. Scheme ) to produce unusual new species such as NO •2– or CO 2 •– ,, or to reveal “hidden” noninnocence of typically innocent kinds of molecules.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…This aspect is all the more important because the scope of potentially redox-active ligands is continuously being extended beyond the better-established systems (cf. Scheme ) to produce unusual new species such as NO •2– or CO 2 •– ,, or to reveal “hidden” noninnocence of typically innocent kinds of molecules.…”
Section: Discussionmentioning
confidence: 99%
“…As reviewed in 1987, radical monoanions , routinely obtained by the one-electron reduction of neutral precursors or by the one-electron oxidation of dianions, are among the most common radical ligands for main-group and transition-metal centers, either as small ions such as O 2 •– (superoxide) or as larger π systems such as pyridine-type heterocycles. The presence of additional negative functions such as RO – or R 2 N – can give rise to radical-dianion ligands such as 1 or 2 or to radical trianions such as those in reduced metalloporphyrins; however, even small such species like N 2 •3– are known to act as ligands in coordination compounds. , From such recognition followed the development and identification of related new species like NO •2– . , Neutral radical ligands are generally less basic but do exist in the form of NO • , R 2 NO • , verdazyls, or 1-methylpyrazinyl (mpz • , 3 ); even radical cations can serve as ligands, as has been shown for the 2,2′-bipyridine/1,1′-dialkyl-4,4′-bipyridinium hybrid 4 …”
Section: Radical Forms Of Redox-active Ligandsmentioning
confidence: 99%
“…Zu den typischen nicht‐unschuldigen Liganden zählen eine Reihe π‐konjugierter organischer Systeme, mit11a und ohne bioanorganische Relevanz,11 sowie auch zweiatomige Liganden in Form der klassischen Redoxsysteme NO +/./− 10a,b, 12 oder O 2 0/.−/2− 11a. 13 Nach Entdeckung von super‐reduziertem paramagnetischem N 2 .3− 14a,b und dem analogen NO .2− 14b,c lässt sich nun das vollständig charakterisierte CN 1.67− 8 in ein entsprechendes Schema nicht‐unschuldiger zweiatomiger Liganden einordnen (Abbildung 1).…”
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