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Monodentate coordination by a tripodal ligand system: synthesis and crystal and molecular structure of bis(diisopropyl (1,2-bis(diethylcarbamoyl)ethyl)phosphonate)erbium(III) nitrate monohydrate

Journal Article · · Inorg. Chem.; (United States)
DOI:https://doi.org/10.1021/ic00220a040· OSTI ID:5905509
; ;
Bis(diisopropyl(1,2-bis(diethylcarbamoyl)ethyl)phosphonate)erbium(III) nitrate monohydrate, Er(NO/sub 3/)/sub 3/(i-C/sub 3/H/sub 7/O)/sub 2/P(O)CH-(C(O)N(C/sub 2/H/sub 5/)/sub 2/)(CH/sub 2/C(O)N(C/sub 2/H/sub 5/)/sub 2/))/sub 2/.H/sub 2/O, has been prepared from the trifunctional phosphate ligand and Er(NO/sub 3/)/sub 3/.6H/sub 2/O in ethanol. The complex has been characterized by infrared and NMR spectroscopy and single-crystal X-ray diffraction analysis. The complex was found to crystallize in the monoclinic space group P2/sub 1//n with a = 13.438 (2) A, b = 22.022 (4) A, c = 19.596 (5) A, ..beta.. = 106.21 (2)/sup 0/, Z = 4, V = 5568 (2) A/sup 3/, and rho/sub calcd/ = 1.38 g cm/sup -3/. The structure was solved by heavy-atom techniques. The structure contains an Er(III) ion bonded to the oxygen atom of a water molecule, oxygen atoms of three bidentate nitrate ions, and the phosphoryl oxygen atoms of two of the potentially tripodal ligand (i-C/sub 3/H/sub 7/O)/sub 2/P(O)CH(C(O)N(C/sub 2/H/sub 5/)/sub 2/)(CH/sub 2/C(O)N(C/sub 2/H/sub 5/)/sub 2/). The overall erbium ion coordination number is 9. Two of the four carbonyl oxygen atoms are hydrogen bonded with the coordinated water molecule, while the remaining two carbonyl oxygen atoms, remain uncoordinated. 12 references, 1 figure, 2 tables.
Research Organization:
Univ. of New Mexico, Albuquerque
OSTI ID:
5905509
Journal Information:
Inorg. Chem.; (United States), Journal Name: Inorg. Chem.; (United States) Vol. 24:26; ISSN INOCA
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360601 -- Other Materials-- Preparation & Manufacture
360602* -- Other Materials-- Structure & Phase Studies
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301 -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
ALCOHOLS
CHEMICAL PREPARATION
COHERENT SCATTERING
COMPLEXES
CRYSTAL STRUCTURE
DATA
DIFFRACTION
ERBIUM COMPLEXES
ETHANOL
EXPERIMENTAL DATA
HYDRATES
HYDROXY COMPOUNDS
INFORMATION
INFRARED SPECTRA
LATTICE PARAMETERS
LIGANDS
MAGNETIC RESONANCE
MOLECULAR STRUCTURE
NITRATES
NITROGEN COMPOUNDS
NMR SPECTRA
NUCLEAR MAGNETIC RESONANCE
NUMERICAL DATA
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PHOSPHORUS COMPLEXES
RARE EARTH COMPLEXES
RESONANCE
SCATTERING
SPACE GROUPS
SPECTRA
SYNTHESIS
X-RAY DIFFRACTION