Niobium disulfide information

Niobium disulfide
	; NbS2 exfoliated layer
	; NbS2 structure
Names
	IUPAC name niobium(IV) sulfde, niobium disulfde
Identifiers
CAS Number	12136-97-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	9980003;
PubChem CID	11805338;
CompTox Dashboard (EPA)	DTXSID50473068 ;
	InChI Key: VRSMQRZDMZDXAU-UHFFFAOYSA-N; InChI=1S/Nb.2S;
	SMILES S=[Nb]=S;
Properties
Chemical formula	NbS2
Molar mass	157.038 g/mol
Appearance	Black crystals
Density	4.4 g/cm3
Magnetic susceptibility (χ)	+120·10−6 cm3/mol
Structure
Crystal structure	Trigonal, hR9, No. 160
Space group	R3m
Lattice constant	a = 0.333 nm, b = 0.333 nm, c = 1.78 nm α = 90°, β = 90°, γ = 120°
Formula units (Z)	3
Related compounds
Other anions	Niobium diselenide, Niobium ditelluride
Other cations	Vanadium disulfide, Tantalum disulfide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Niobium disulfide is the chemical compound with the formula NbS₂. It is a black layered solid that can be exfoliated into ultrathin grayish sheets similar to other transition metal dichalcogenides. These layers exhibit superconductivity, where the transition temperature increases from ca. 2 to 6 K with the layer thickness increasing from 6 to 12 nm, and then saturates with thickness.^[4]

^ ^a ^b ^c Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. p. 4.76. ISBN 0-8493-0486-5.
^ Lee, P.A. (6 December 2012). Optical and Electrical Properties. Springer Science & Business Media. p. 446. ISBN 978-94-010-1478-6.
^ Rajora, O. S.; Curzon, A. E. (1987). "The preparation and X‐ray diffraction study of the layer materials NbS_xSe_2−x for 0 ≦ x ≦ 2". Physica Status Solidi A. 99: 65–72. doi:10.1002/pssa.2210990108.
^ Yan, Rusen; Khalsa, Guru; Schaefer, Brian T.; Jarjour, Alexander; Rouvimov, Sergei; Nowack, Katja C.; Xing, Huili G.; Jena, Debdeep (2019). "Evolution of superconductivity in ultrathin NbS₂". Applied Physics Express. 12 (2): 023008. arXiv:1803.06097. doi:10.7567/1882-0786/aaff89.

[crc-1] Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. p. 4.76. ISBN 0-8493-0486-5.

[Lee2012-2] Lee, P.A. (6 December 2012). Optical and Electrical Properties. Springer Science & Business Media. p. 446. ISBN 978-94-010-1478-6.

[str-3] Rajora, O. S.; Curzon, A. E. (1987). "The preparation and X‐ray diffraction study of the layer materials NbS_xSe_2−x for 0 ≦ x ≦ 2". Physica Status Solidi A. 99: 65–72. doi:10.1002/pssa.2210990108.

[4] Yan, Rusen; Khalsa, Guru; Schaefer, Brian T.; Jarjour, Alexander; Rouvimov, Sergei; Nowack, Katja C.; Xing, Huili G.; Jena, Debdeep (2019). "Evolution of superconductivity in ultrathin NbS₂". Applied Physics Express. 12 (2): 023008. arXiv:1803.06097. doi:10.7567/1882-0786/aaff89.

Niobium disulfide information

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Niobium disulfide

Chalcogenide

Sulfur

Carbon compounds

Materials for use in vacuum

List of inorganic compounds

Tungsten trisulfide

Molybdenum

Germanium

Tantalum diselenide

Allotropes of phosphorus

Selenium

Iodine

List of semiconductor materials

Strengthening mechanisms of materials

List of CAS numbers by chemical compound

Protactinium

Carbon

Technetium

Titanium

Iridium

Iodine compounds

Index of chemistry articles

Fullerene

Rhenium

Glossary of chemical formulae

Phosphorus

Names
NbS₂ exfoliated layer
NbS₂ structure
IUPAC name niobium(IV) sulfde, niobium disulfde
Identifiers
CAS Number	12136-97-9^Y
3D model (JSmol)	Interactive image
ChemSpider	9980003
PubChem CID	11805338
CompTox Dashboard (EPA)	DTXSID50473068
InChI Key: VRSMQRZDMZDXAU-UHFFFAOYSA-N InChI=1S/Nb.2S
SMILES S=[Nb]=S
Properties
Chemical formula	NbS₂
Molar mass	157.038 g/mol^[1]
Appearance	Black crystals^[1]
Density	4.4 g/cm³^[1]
Magnetic susceptibility (χ)	+120·10⁻⁶ cm³/mol^[2]
Structure^[3]
Crystal structure	Trigonal, hR9, No. 160
Space group	R3m
Lattice constant	a = 0.333 nm, b = 0.333 nm, c = 1.78 nm α = 90°, β = 90°, γ = 120°
Formula units (Z)	3
Related compounds
Other anions	Niobium diselenide, Niobium ditelluride
Other cations	Vanadium disulfide, Tantalum disulfide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references