Thulium(III) chloride

Thulium(III) chloride
Names
	IUPAC name Thulium(III) chloride
	Other names Thulium chloride, thulium trichloride
Identifiers
CAS Number	13537-18-3 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.033.535
EC Number	236-904-9;
PubChem CID	61643;
RTECS number	XP0525000;
UNII	73TYF012WF ;
CompTox Dashboard (EPA)	DTXSID4065529 ;
	InChI InChI=1S/3ClH.Tm/h3*1H;/q;;;+3/p-3;
	SMILES Cl[Tm](Cl)Cl;
Properties
Chemical formula	TmCl3
Molar mass	275.292 g/mol
Appearance	yellow crystals
Density	3.98 g/cm3
Melting point	824 °C (1,515 °F; 1,097 K)
Boiling point	1,490 °C (2,710 °F; 1,760 K)
Solubility in water	heptahydrate: very soluble
Solubility	heptahydrate: very soluble in ethanol[1]
Structure
Crystal structure	Monoclinic, mS16
Space group	C12/m1, No. 12
Coordination geometry	6[2]
Thermochemistry
Std enthalpy of; formation (ΔfH⦵298)	966.6 kJ/mol[3]
Hazards
Main hazards	Xi (Irritant)
S-phrases (outdated)	S26, S36[4]
Related compounds
Other anions	Thulium(III) oxide
Other cations	Erbium(III) chloride; Ytterbium(III) chloride; Thulium(II) chloride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

Thulium(III) chloride or thulium trichloride is the chemical compound composed of thulium and chlorine with the formula TmCl₃. It forms yellow crystals. Thulium(III) chloride has the YCl₃ (AlCl₃) layer structure with octahedral thulium ions.[5]

Reactions

The hydrated form of thulium(III) chloride can be obtained by adding thulium(III) oxide to concentrated hydrochloric acid.[1] Thulium(III) chloride reacts with strong bases to make thulium(III) oxide.

References

Spencer, James F. (1919). "The Metals of the Rare Earths". New York: Longmans, Green, and Co: 152. Retrieved 2008-06-27. Cite journal requires |journal= (help)
"Chemistry: Periodic Table: Thulium: compound data (thulium (III) chloride)". WebElements. Archived from the original on 2008-12-01. Retrieved 2008-06-27.
Perry, Dale L.; Phillips, Sidney L. (1995). Handbook of Inorganic Compounds. CRC Press. p. 512. ISBN 0-8493-8671-3. Retrieved 2008-06-27.
"439649 Thulium(III) chloride anhydrous, powder, 99.99% trace metals basis". Sigma-Aldrich. Retrieved 2008-06-27.
Wells A.F. (1984) Structural Inorganic Chemistry 5th edition Oxford Science Publications ISBN 0-19-855370-6

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[rare-1] Spencer, James F. (1919). "The Metals of the Rare Earths". New York: Longmans, Green, and Co: 152. Retrieved 2008-06-27. Cite journal requires |journal= (help)

[web-2] "Chemistry: Periodic Table: Thulium: compound data (thulium (III) chloride)". WebElements. Archived from the original on 2008-12-01. Retrieved 2008-06-27.

[handin-3] Perry, Dale L.; Phillips, Sidney L. (1995). Handbook of Inorganic Compounds. CRC Press. p. 512. ISBN 0-8493-8671-3. Retrieved 2008-06-27.

[sa-4] "439649 Thulium(III) chloride anhydrous, powder, 99.99% trace metals basis". Sigma-Aldrich. Retrieved 2008-06-27.

[5] Wells A.F. (1984) Structural Inorganic Chemistry 5th edition Oxford Science Publications ISBN 0-19-855370-6