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Schiff bases and their complexes with metal ions. Part II. Structures of N-n-butyl-2-hydroxy-1-naphthaldimine and bis[N-n-pentyl-2-hydroxy-1-naphthaldiminato]nickel(II)

Journal of Chemical Crystallography, ISSN: 1074-1542, Vol: 25, Issue: 12, Page: 831-836
1995
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  • Citations
    16
    • Citation Indexes
      16
  • Captures
    8

Article Description

The Schiff base ligand (1), [CHNO] crystallizes in the monoclinic space group P2/c with a=10.054(3), b=10.313(3), c=13.173(4)Å, β=107.42(4)°, V=1303.2(7)Å, Z=4, Dx=1.159 g cm, and μ(Mo Kα)=0.674 cm. The C2-O[1.23(1)Å] and C3-C4 [1.33(2)Å] bond lengths are short, due to its quinoidal structure. In the Schiff base nickel complex (2), [Ni(CHNO)] the asymmetric unit is comprised of two half-complexes. It crystallizes in the triclinic space group {Mathematical expression} with a=5.124(3), b=16.227(3), c=16.886(4)Å, α=95.47(8), β=96.00(1), γ=90.71(4)°, V=1389.6(9) Å, Z=2, Dx=1.289 g cm, and μ(Mo Kα) =12.1 cm. The coordination of the Ni(II) ions are square planar with bond angles between 87.9(1) and 92.1(1)°. The Ni-O and Ni-N distances are 1.819(2), 1.922(2) and 1.823(2), 1.914(3)Å in these two complexes. © 1995 Plenum Publishing Corporation.

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