erbium(III) selenate
![](//upload.wikimedia.org/wikipedia/commons/thumb/4/4d/2.svg/14px-2.svg.png) ![](//upload.wikimedia.org/wikipedia/commons/thumb/2/25/Er3%2B.svg/51px-Er3%2B.svg.png) ![](//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/3.svg/14px-3.svg.png)
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Identifiers
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InChI=1S/2Er.3H2O4Se/c;;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;/p-6 Key: MOBNMXCYOYNHIL-UHFFFAOYSA-H octahydrate: InChI=1S/2Er.3H2O4Se.8H2O/c;;3*1-5(2,3)4;;;;;;;;/h;;3*(H2,1,2,3,4);8*1H2/q2*+3;;;;;;;;;;;/p-6 Key: XXAGZLDPUWOOJR-UHFFFAOYSA-H
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anhydrous: [O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[Er+3].[Er+3] octahydrate: O.O.O.O.O.O.O.O.[O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[O-][Se](=O)(=O)[O-].[Er+3].[Er+3]
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Properties
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Er2O12Se3
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Molar mass
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763.419 g·mol−1
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Erbium(III) selenate is an inorganic compound, with the chemical formula Er2(SeO4)3. It exists as an anhydrate or an octahydrate.