PREPARATION AND MOLECULAR STRUCTURE OF TRlS[(N, N, N' , N' - DIAMINE) L1TI-IIUMj TETRAMETHYLETHYLENE HEXAMETHYLSAMARATE(III), {[Li(TMEDA)b [Sm(CH3)6]}.THF

Abstract

Inc Sm(1)(TIIFh reacts with mcthylllthlUm In TIIF In the
prese nce of lclram c lhyt c lhy lcn c d lamln e, TMEDA , 10 gIve
1[1 .J(l ·MI :I)A)h[Sm«('I I)61}. J'IIF. Tl1c complex has been ch;lractcnzcd
hy elemenl al analyses, lit spectrum and magnetic mcasurem ent .
Molecular .lOd clymsl .SruClUrc of thl! complcx hoo been determmed by a
sIngle cryst .. ! X - ray diffractIOn . The crystalS arc trigonal WIth a =
16.6X4( IO)A , c = 24.946( IO)A , sp < lec group="" r3c=""> cell. The final It v,.Ilue is 0.043 for 2.140 reneclions measured.

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