Uranium monosulfide

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| Section1 = {{Chembox Identifiers

| CASNo = 12039-11-1

| SMILES = [U].[S]

| StdInChI=1S/S.U

| StdInChIKey = BFEBVEVTVKJYGD-UHFFFAOYSA-N

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| Section2 = {{Chembox Properties

| Formula = US

| MolarMass = 270.095 g/mol

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| Density =

| MeltingPt = 2460 °C {{cite journal | last1=NAKAI | first1=Eiichiro | last2=KANNO | first2=Masayoshi | last3=MUKAIBO | first3=Takashi | title=Oxidation Behavior of Uranium Monosulfide | journal=Journal of Nuclear Science and Technology | publisher=Informa UK Limited | volume=6 | issue=3 | year=1969 | issn=0022-3131 | doi=10.1080/18811248.1969.9732854 | pages=138–142| bibcode=1969JNST....6..138N | doi-access=free }}

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| Section3 = {{Chembox Structure

| Structure_ref =

| CrystalStruct = NaCl type (cubic)

| SpaceGroup = Fm{{overline|3}}m (No. 225)

| PointGroup =

| LattConst_a = 548.66 pm

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| UnitCellFormulas = 4

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| Section9 = {{Chembox Related

| OtherAnions = Uranium carbide
Uranium monophosphide

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| OtherCompounds = Uranium disulfide

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Uranium monosulfide (US) is an inorganic chemical compound of uranium and sulfur.{{Cite web |title=Uranium monosulfide |url=https://webbook.nist.gov/cgi/formula?ID=C12039111 |access-date=2022-11-23 |website=webbook.nist.gov |language=en}}

Magnetically, the compound is paramagnetic at room temperature, with a Curie Temperature of 180 K.{{cite journal | last1=Westrum | first1=Edgar F. | last2=Walters | first2=Robert R. | last3=Flotow | first3=Howard E. | last4=Osborne | first4=Darrell W. | title=Uranium Monosulfide. The Ferromagnetic Transition. The Heat Capacity and Thermodynamic Properties from 1.5 to 350 K | journal=The Journal of Chemical Physics | publisher=AIP Publishing | volume=48 | issue=1 | year=1968 | issn=0021-9606 | doi=10.1063/1.1667893 | pages=155–161| bibcode=1968JChPh..48..155W | doi-access=free | hdl=2027.42/70623 | hdl-access=free }} It has the largest known magnetocrystalline anisotropy of any cubic system.{{cite journal | last1=Poudel | first1=Narayan | last2=Jeffries | first2=Jason | last3=Gofryk | first3=Krzysztof | title=Magnetic anisotropy in uranium monosulfide probed by magnetic torque measurements | journal=Physical Review B | publisher=American Physical Society (APS) | volume=104 | issue=1 | date=2021-07-14 | issn=2469-9950 | doi=10.1103/physrevb.104.014417 | page=014417|arxiv=2106.12464| bibcode=2021PhRvB.104a4417P | s2cid=235606157 }}