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| Names | |
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| Other names Gadolinium (II) sulfide | |
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| Properties | |
| Chemical formula | GdS |
| Molar mass | 189.31 g·mol |
| Appearance | Crystals |
| Density | 7.2 g/cm |
| Melting point | 2,300 °C (4,170 °F; 2,570 K) |
| Structure | |
| Crystal structure | Cubic |
| Related compounds | |
| Related compounds | Samarium monosulfide |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references | |
Gadolinium monosulfide is a binary inorganic compound of gadolinium and sulfur with the chemical formula GdS.
Synthesis
Heating stoichiometric amounts of pure substances in an inert atmosphere:
- Gd + S → GdS
Also a reaction of gadolinium(III) oxide and gadolinium sesquisulphide can make it:
- Gd2O3 + 2Gd2S3 + 3C → 6GdS + 3CO
Physical properties
Gadolinium monosulfide forms crystals of cubic system, space group Fm4m, unit cell parameter a = 0.5574 nm, Z = 4, isomorphous with NaCl.
GdS melts congruently at 2300 °C.
References
- "Gadolinium monosulfide". NIST. Retrieved 30 July 2024.
- "Gadolinium Sulfide". American Elements. Retrieved 30 July 2024.
- Peshev, P.; Bliznakov, G.; Toshev, A. (April 1968). "On the preparation and some physical properties of gadolinium sesquisulphide and gadolinium monosulphide". Journal of the Less Common Metals. 14 (4): 379–386. doi:10.1016/0022-5088(68)90161-6. Retrieved 30 July 2024.
- Predel, B. (1996). "Gd-S (Gadolinium-Sulfur)". Ga-Gd – Hf-Zr. Landolt-Börnstein - Group IV Physical Chemistry. f: 1–2. doi:10.1007/10501684_1447. ISBN 3-540-60344-1.
- Donnay, Joseph Désiré Hubert (1978). Crystal Data: Inorganic compounds 1967-1969. National Bureau of Standards. p. C-70. Retrieved 30 July 2024.
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