title: Redetermination of di-aqua-tris-(4-oxo-pent-2-en-2-olato-κ(2) O,O')lanthanum(III).
abstract: The structure of the title compound, [La(C5H7O2)3(H2O)2], has been redetermined to modern standards with anisotropic displacement parameters for all non-H atoms and the hydrogen-bonding pattern unambiguously established [for the previous study, see Phillips et al. (1968 ▶). Inorg. Chem. 7, 2295-2299]. The La(3+) ion is coordinated by three O,O'-bidentate acetyl-acetate (acac(-)) ligands and two water mol-ecules, resulting in a fairly regular square-anti-prismatic LaO8 coordination geometry, with both aqua ligands part of the same square face. In the crystal, the neutral complex mol-ecules are linked into [110] chains by O-H⋯O hydrogen bonds.
authors.affiliation: Department of Materials Science and Chemical Engineering, Kitakyushu National College of Technology, Shi-i 5-20-1, Kokuraminami-ku, Kitakyushu, Fukuoka 802-0985, Japan.
authors.forename: Toru
authors.initials: T
authors.lastname: Okawara
authors.affiliation: Department of Materials Science and Chemical Engineering, Kitakyushu National College of Technology, Shi-i 5-20-1, Kokuraminami-ku, Kitakyushu, Fukuoka 802-0985, Japan.
authors.forename: Kohei
authors.initials: K
authors.lastname: Ishihama
authors.affiliation: Department of Materials Science and Chemical Engineering, Kitakyushu National College of Technology, Shi-i 5-20-1, Kokuraminami-ku, Kitakyushu, Fukuoka 802-0985, Japan.
authors.forename: Kenji
authors.initials: K
authors.lastname: Takehara