Electronic spectra of Cu2+ and VO3−4 in vanadinite
✍ Scribed by P. A. Nagaraja; A. S. Jacob; B. J. Reddy
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 160 KB
- Volume
- 135
- Category
- Article
- ISSN
- 0370-1972
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Phase formation in the Cu 3؉1.5x R 4؊x (VO 4 ) 6 (R ؍ Fe and Cr) systems was studied at 6703C by powder X-ray di4raction. In the Cu 3؉1.5x Fe 4؊x (VO 4 ) 6 system there are two compounds having homogeneity ranges with formula Cu 3؉1.5x Fe 4؊x (VO 4 ) 6 (0.6674 x(0.778) and Cu 3؉1.5x Fe 4؊x (VO 4 )
## Abstract Information on the vibrational and electronic properties of the [VO(biuret)(SO~4~)] · 3H~2~O complex was improved in order to gain a deeper insight into the characteristics of the metal–ligand bonds. Normal Raman and pre‐resonance Raman studies were performed, which allowed a better cha