Calcium and strontium salts of (glycinato-κ2N,O)oxidobis(peroxido-κ2O,O′)vanadate(V) tetrahydrate

The title salts calcium (glycinato‐κ2N,O)oxidobis(peroxido‐κ2O,O′)vanadate(V) tetrahydrate, Ca[VO(O2)2(NH2CH2COO)]·4H2O, and strontium (glycinato‐κ2N,O)oxidobis(peroxido‐κ2O,O′)vanadate(V) tetrahydrate, Sr[VO(O2)2(NH2CH2COO)]·4H2O, crystallized at pH ca 7.4 with similar lattice parameters. The glyci...

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Veröffentlicht in:Acta crystallographica. Section C, Crystal structure communications Crystal structure communications, 2013-12, Vol.69 (12), p.1494-1497
Hauptverfasser: Higuchi, Takeshi, Uchida, Ayana, Hashimoto, Masato
Format: Artikel
Sprache:eng
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Zusammenfassung:The title salts calcium (glycinato‐κ2N,O)oxidobis(peroxido‐κ2O,O′)vanadate(V) tetrahydrate, Ca[VO(O2)2(NH2CH2COO)]·4H2O, and strontium (glycinato‐κ2N,O)oxidobis(peroxido‐κ2O,O′)vanadate(V) tetrahydrate, Sr[VO(O2)2(NH2CH2COO)]·4H2O, crystallized at pH ca 7.4 with similar lattice parameters. The glycinate anion acts as a bidentate N,O‐chelating ligand, and the V atom has a pentagonal bipyramidal geometry, with two η2‐peroxo groups and the glycinate N atom in the equatorial plane, and one terminal oxo and a glycinate O atom at the axial positions. The H atoms of three of the four water molecules in the strontium salt exhibited disorder over three positions for each molecule.
ISSN:0108-2701
1600-5759
DOI:10.1107/S0108270113031181