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Raman spectroscopic study of the selenite mineral: ahlfeldite, NiSeO3·2H2O

✍ Scribed by Ray L. Frost; Eloise C. Keeffe

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
164 KB
Volume
40
Category
Article
ISSN
0377-0486

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The mineral haynesite, a uranyl selenite, has been characterised by Raman spectroscopy at 298 and 77 K. Two bands at 811.5 and 800.2 cm -1 are assigned to the symmetric stretching modes of the (UO 2 / 2+ and (SeO 3 / 2-units respectively. These values give calculated U-O bond lengths of 1.799 and/or