Names | |
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Other names terbium triiodide | |
Identifiers | |
3D model (JSmol) | |
ChemSpider | |
ECHA InfoCard | 100.034.049 |
EC Number |
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PubChem CID | |
CompTox Dashboard (EPA) | |
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Properties | |
TbI3 | |
Molar mass | 539.638 g/mol |
Appearance | hygroscopic crystals |
Density | 5.2 g/cm3, solid |
Melting point | 957 °C (1,755 °F; 1,230 K) |
Structure | |
hexagonal | |
Hazards | |
GHS labelling: [1] | |
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Warning | |
H317, H361 | |
P201, P202, P261, P264, P271, P272, P280, P281, P302+P352, P304+P340, P305+P351+P338, P308+P313, P312, P332+P313, P333+P313, P337+P313, P362, P363, P403+P233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Terbium(III) iodide (Tb I3) is an inorganic chemical compound.
Terbium(III) iodide can be produced by reacting terbium and iodine. [2]
Terbium iodide hydrate can be crystallized from solution by reacting hydriodic acid with terbium, terbium(III) oxide, terbium hydroxide or terbium carbonate:
An alternative method is reacting terbium and mercury(II) iodide at 500 °C. [3]
Terbium(III) iodide adopts the bismuth(III) iodide (BiI3) crystal structure type, [4] [3] with octahedral coordination of each Tb3+ ion by 6 iodide ions. [5]