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'Yttrium Nitrate Complexes' in keywords
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2001 (1)
1Author    AthanassiosK. Boudalisa, Vassilios Nastopoulos3, Ans Terzisb, CatherineP. Raptopouloub, SpyrosP. Perlepes3Requires cookie*
 Title    Reaction between Yttrium Nitrate and 2,2':6,2"-Terpyridine (terpy) in MeCN: Preparation, Crystal Structures and Spectroscopic Characterization of [Y (N 03)3(terpy)(H20 )] and [Y(N03)3(terpy)(H20 )] * terpy * 3 MeCN  
 Abstract    The reaction of Y(NC>3)3 5H2O and 2,2':6',2"-terpyridine (terpy) in MeCN leads to [Y(N0 3)3(terpy)(H20)] (1) and [Y(N0 3)3(terpy)(H2 0)] terpy-3MeCN (2) in good yields de­ pending on the isolation conditions. The structures of both complexes were determined by single-crystal X-ray crystallography. The Y m atom in 1 is 9-coordinate and ligation is pro­ vided by one terdentate terpy molecule, two chelating nitrates, one monodentate nitrate and one terminal H2O molecule; the coordination polyhedron about the metal may be viewed as a tricapped trigonal prism. The Y ni atom in 2 is 10-coordinate and its coordination sphere consists of three nitrogen atoms from the terdentate terpy, six oxygen atoms from the three chelating nitrates (one of them being "anisobidentate") and one oxygen atom from a terminal H2O molecule; the polyhedron about the metal may be viewed as a distorted sphenocorona. The interstitial terpy is strongly hydrogen-bonded to the O atom o f the coordinated H2O molecule to form [Y(N0 3)3(terpy)(H2 0)j -terpy pairs. The new complexes were characterized by IR and 'H NMR spectroscopies. The Y in/N0 3 -/terpy chemistry is compared to the already well-developed Lnin/N0 3 _ /terpy chemistry (Ln = lanthanide). 
  Reference    (Z. Naturforsch. 56b, 122—128 [2001]; received August 8 2000) 
  Published    2001 
  Keywords    2, 2':6', 2"-Terpyridine Complexes, Yttrium Nitrate Complexes 
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 TEI-XML for    default:Reihe_B/56/ZNB-2001-56b-0122.pdf 
 Identifier    ZNB-2001-56b-0122 
 Volume    56