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Holmium(III) sulfide is the sulfide of holmium, with the chemical formula of Ho2S3. Like other rare earth sulfides, it is used as a high-performance inorganic pigment.[2]

Preparation

Holmium(III) sulfide can be obtained by the reaction of holmium(III) oxide and hydrogen sulfide at 1325 °C.[3]

Ho2O3 + 3 H2S → Ho2S3 + 3 H2O

Properties

Holmium(III) sulfide has orange-yellow crystals in the monoclinic crystal system,[1] with the space group P21/m (No. 11).[4] Under high pressure, holmium(III) sulfide can form in the cubic and orthorhombic crystal systems.[5]

References

  1. ^ a b Lide, David R. (2004). CRC Handbook of Chemistry and Physics, 84th Edition. CRC Press. pp. 4–60. ISBN 0849304849.
  2. ^ Edwin B. Faulkner; Russell J. Schwartz (2009). High Performance Pigments (in German). John Wiley & Sons. p. 28. ISBN 978-3-527-62692-2.
  3. ^ G. Meyer; Lester R. Morss, eds. (1991). Synthesis of Lanthanide and Actinide Compounds. Kluwer Academic Publishers. pp. 329–335. ISBN 0792310187.
  4. ^ "Ho2S3: crystal structure, physical properties". Non-Tetrahedrally Bonded Binary Compounds II. Landolt-Börnstein - Group III Condensed Matter. Vol. 41D. 2000. pp. 1–3. doi:10.1007/10681735_623. ISBN 3-540-64966-2. Archived from the original on 2018-09-01. Retrieved 2021-06-22.
  5. ^ Tonkov, E. Yu (1998). Compounds and Alloys Under High Pressure A Handbook. CRC Press. p. 272. ISBN 978-90-5699-047-3.


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