Journal Article10.1002/CHIN.197403353
Crystal and molecular structure of bistriphenyl(ethyl)phosphonium pentanitratocerium(iii)
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TL;DR: The title compound of as discussed by the authors is monoclinic of space group C2/c with a= 19·83(3), b= 11·05(2), c= 21·76(3)A, β= 108·17°, and Z= 4.
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Abstract: Crystals of the title compound are monoclinic of space group C2/c with a= 19·83(3), b= 11·05(2), c= 21·76(3)A, β= 108·17°, and Z= 4. The anion has crystallographic C2 symmetry and the cerium atom is ten-co-ordinate, being chelated symmetrically by the five bidentate nitrate ligands. The mean Ce–O distance is 2·57(2)A. The co-ordination geometry is not very readily described in terms of any idealised high co-ordination polyhedron, but if each nitrate ligand is considered, as occupying one co-ordination site, then the arrangement closely approximates to a trigonal bipyramid. The structure was solved from X-ray photographic data by Patterson and Fourier methods and refined by least-squares techniques to R 9·8% for 1516 observed reflections.
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Citations
Speciation of lanthanide ions in the organic phase after extraction from nitrate media by basic extractants.
Bieke Onghena,Eleonora Papagni,Ernesto Rezende Souza,Dipanjan Banerjee,Koen Binnemans,Tom Vander Hoogerstraete +5 more
TL;DR: Lanthanides are extracted to basic nitrate-based extractants, like trihexyl(tetradecyl)phosphonium nitrate, as pentanitrato lanthanide complexes.
The structure of [(C6H5)4As]2[Eu(NO3)5]
TL;DR: The structure of the title compound was solved from single crystal X-ray diffractometer data by Patterson and Fourier methods, and refined by least-squares to conventional RF = 0.046 for 2504 independent observed reflections.
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Lanthanide‐nitrate interaction in anhydrous acetonitrile and coordination numbers of the lanthanide ions: FT‒IR study
TL;DR: In this paper, the interaction between lanthanide ions LnIII (Ln = La, Nd, Sm−Dy, Er, Yb) and nitrate ions is investigated by FT-IR spectroscopy in dilute anhydrous MeCN solution.
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The crystal and molecular structure of benzyl (2-methoxyphenyl)-diphenylphosphonium bromide
TL;DR: The crystal structure of benzyl(2-methoxyphenyl)diphenylphosphonium bromide has been determined from three dimensional X-ray data collected on a three circle diffractometer using MoKα radiation.
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References
Crystal and molecular structure of bistriphenyl(ethyl)phosphonium pentanitratocerium(III)
TL;DR: The title compound of as discussed by the authors is monoclinic of space group C2/c with a= 19·83(3), b= 11·05(2), c= 21·76(3)A, β= 108·17°, and Z= 4.
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