3) The yttrium complex depicted below was isolated by the Evans lab at UC Irvine. It must be handled with extreme care because it will quickly decompose in the presence of air a) The center of the yttrium complex (shown in a red circle) contains a rare inorganic unit: two bonded nitrogen atoms with an overall minus 2 charge. Draw an MO diagram of this N22¯unit. (ONLY consider the nitrogen atoms in the red circle, ignore the bonds to yttrium). b) Using a very strong reductant, the complex shown above can be further reduced to form a similar complex but now with an N2³- unit. Would you predict the bond of N2³- to be stronger or weaker than that of N2²-? THF, N(SiMe3)2 (MezSi),NY (Me,Si),N N(SiMe3)2 THF

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3) The yttrium complex depicted below was isolated by the Evans lab at UC Irvine. It
must be handled with extreme care because it will quickly decompose in the
presence of air
a) The center of the yttrium complex (shown in
a red circle) contains a rare inorganic unit:
two bonded nitrogen atoms with an overall
minus 2 charge. Draw an MO diagram of this
N22¯ unit. (ONLY consider the nitrogen atoms in the red circle, ignore the bonds
to yttrium).
b) Using a very strong reductant, the complex shown above can be further
reduced to form a similar complex but now with an N23- unit. Would you
predict the bond of N23 to be stronger or weaker than that of N22 ?
THF,
N(SiMe3)2
(Me,Si),N
(MezSi),N
Y.....l
N(SIMe3)2
THF
Transcribed Image Text:3) The yttrium complex depicted below was isolated by the Evans lab at UC Irvine. It must be handled with extreme care because it will quickly decompose in the presence of air a) The center of the yttrium complex (shown in a red circle) contains a rare inorganic unit: two bonded nitrogen atoms with an overall minus 2 charge. Draw an MO diagram of this N22¯ unit. (ONLY consider the nitrogen atoms in the red circle, ignore the bonds to yttrium). b) Using a very strong reductant, the complex shown above can be further reduced to form a similar complex but now with an N23- unit. Would you predict the bond of N23 to be stronger or weaker than that of N22 ? THF, N(SiMe3)2 (Me,Si),N (MezSi),N Y.....l N(SIMe3)2 THF
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