Ball-and-stick model of the amavadin dianion, [C₁₂H₁₆N₂O₁₀V]²⁻, as found in the crystal structure of pentaaquacalcium amavadin dihydrate, [Ca(OH₂)₅][C₁₂H₁₆N₂O₁₀V]·2H₂O.

Colour code:

• Carbon, C: black
• Hydrogen, H: white
• Nitrogen, N: blue
• Oxygen, O: red
• Vanadium, V: grey

Structure by X-ray crystallography from <795::AID-ANIE795>3.0.CO;2-7 Angew. Chem. Int. Ed. (1999). 38, 795-797.

Model constructed in CrystalMaker 8.1.