The crystallographic unit cell is cubic, with space group Fd3m. The S anions form a cubic close-packed lattice, and the Fe cations occupy both tetrahedral and octahedral sites.[1][2]
Crystal structure of iron(II,III) sulfide projected along the [110] direction
Emphasis on the SFe4 tetrahedra.
Emphasis on the FeS4 tetrahedra
Emphasis on the FeS6 octahedra
Magnetic and electronic propertiesedit
Like the related oxide magnetite (Fe3O4), iron(II,III) sulfide is ferrimagnetic, with the spin magnetic moments of the FeIII centers in the tetrahedral sites oriented in the opposite direction as those in the octahedral sites, and a net magnetization. Both metal sites have high spin quantum numbers. The electronic structure of greigite is that of a half metal.[3][4]
Referencesedit
^Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C., eds. (1990). "Greigite" (PDF). Handbook of Mineralogy. Vol. I (Elements, Sulfides, Sulfosalts). Chantilly, VA, US: Mineralogical Society of America. ISBN978-0962209703. Retrieved December 5, 2011.
^Vaughan, D. J.; Craig, J. R. “Mineral Chemistry of Metal Sulfides" Cambridge University Press, Cambridge: 1978. ISBN0-521-21489-0.
^Devey, Anthony; Grau-Crespo, R.; De Leeuw, N.H. (2009). "Electronic and magnetic structure of Fe3S4: GGA+U investigation". Physical Review B. 79 (19): 195126. Bibcode:2009PhRvB..79s5126D. doi:10.1103/PhysRevB.79.195126.
^Wang, Jun; Cao, Shi-He; Wu, Wei; Zhao, Guo-Meng (2011). "The Curie temperature and magnetic exchange energy in half-metallic greigite Fe3S4". Physica Scripta. 83 (4): 045702. Bibcode:2011PhyS...83d5702W. doi:10.1088/0031-8949/83/04/045702.
Further readingedit
Mann, Stephen; Sparks, Nicholas H. C.; Frankel, Richard B.; Bazylinski, Dennis A.; Jannasch, Holger W. (1990). "Biomineralization of ferrimagnetic greigite (Fe3S4) and iron pyrite (FeS2) in a magnetotactic bacterium". Nature. 343 (6255): 258. Bibcode:1990Natur.343..258M. doi:10.1038/343258a0. S2CID 4351424.
Roberts, A (1995). "Magnetic properties of sedimentary greigite (Fe3S4)". Earth and Planetary Science Letters. 134 (3–4): 227–236. Bibcode:1995E&PSL.134..227R. doi:10.1016/0012-821X(95)00131-U.
Heywood, B. R.; Bazylinski, D. A.; Garratt-Reed, A.; Mann, S.; Frankel, R. B. (1990). "Controlled biosynthesis of greigite (Fe3S4) in magnetotactic bacteria". Naturwissenschaften. 77 (11): 536–538. Bibcode:1990NW.....77..536H. doi:10.1007/BF01139266. S2CID 28912546.
Reynolds, R. L.; Tuttle, M. L.; Rice, C. A.; Fishman, N. S.; Karachewski, J. A.; Sherman, D. M. (1994). "Magnetization and geochemistry of greigite-bearing Cretaceous strata, North Slope basin, Alaska". American Journal of Science. 294 (4): 485–528. doi:10.2475/ajs.294.4.485.
Snowball, Ian; Thompson, Roy (1988). "The occurrence of Greigite in sediments from Loch Lomond". Journal of Quaternary Science. 3 (2): 121–125. Bibcode:1988JQS.....3..121S. doi:10.1002/jqs.3390030203.
Stanjek, H.; Fassbinder, J. W. E.; Vali, H.; Wagele, H.; Graf, W. (1994). "Evidence of biogenic greigite (ferrimagnetic Fe3S4) in soil". European Journal of Soil Science. 45 (2): 97–103. doi:10.1111/j.1365-2389.1994.tb00490.x.
Hoffmann, V (1992). "Greigite (Fe3S4): magnetic properties and first domain observations". Physics of the Earth and Planetary Interiors. 70 (3–4): 288–301. Bibcode:1992PEPI...70..288H. doi:10.1016/0031-9201(92)90195-2.
Fassbinder, Jörg W. E.; Stanjek, Helge (1994). "Magnetic properties of biogenic soil greigite (Fe3S4)". Geophysical Research Letters. 21 (22): 2349–2352. Bibcode:1994GeoRL..21.2349F. doi:10.1029/94GL02506.
January 01, 1970
iron, sulfide, blue, black, sometimes, pinkish, citation, needed, chemical, compound, iron, sulfur, with, formula, fe3s4, fe2s3, which, much, similar, iron, oxide, occurs, naturally, sulfide, mineral, greigite, magnetic, mineral, produced, found, magnetotactic. Iron II III sulfide is a blue black sometimes pinkish citation needed chemical compound of iron and sulfur with formula Fe3S4 or FeS Fe2S3 which is much similar to iron II III oxide It occurs naturally as the sulfide mineral greigite and is magnetic It is a bio mineral produced by and found in magnetotactic bacteria It is a mixed valence compound featuring both Fe2 and Fe3 centers in 1 2 ratio Iron II III sulfide Names Other names Ferrous ferric sulfide greigite Identifiers CAS Number 12063 39 7 3D model JSmol Interactive image ChEBI CHEBI 86238 ChemSpider 34999896 PubChem CID 72720442 CompTox Dashboard EPA DTXSID20923500 InChI InChI 1S 3Fe 4S q 2 2 3 4 2Key UHUWQCGPGPPDDT UHFFFAOYSA N SMILES S 2 S 2 S 2 S 2 Fe 2 Fe 3 Fe 3 Properties Chemical formula FeS Fe2S3 Molar mass 295 805 Appearance Bluish black pinkish Density 4 049 g cm3 Except where otherwise noted data are given for materials in their standard state at 25 C 77 F 100 kPa Y verify what is Y N Infobox references Contents 1 Crystal structure 2 Magnetic and electronic properties 3 References 4 Further readingCrystal structure editThe crystallographic unit cell is cubic with space group Fd3m The S anions form a cubic close packed lattice and the Fe cations occupy both tetrahedral and octahedral sites 1 2 Crystal structure of iron II III sulfide projected along the 110 direction nbsp Emphasis on the SFe4 tetrahedra nbsp Emphasis on the FeS4 tetrahedra nbsp Emphasis on the FeS6 octahedraMagnetic and electronic properties editLike the related oxide magnetite Fe3O4 iron II III sulfide is ferrimagnetic with the spin magnetic moments of the FeIII centers in the tetrahedral sites oriented in the opposite direction as those in the octahedral sites and a net magnetization Both metal sites have high spin quantum numbers The electronic structure of greigite is that of a half metal 3 4 References edit Anthony John W Bideaux Richard A Bladh Kenneth W Nichols Monte C eds 1990 Greigite PDF Handbook of Mineralogy Vol I Elements Sulfides Sulfosalts Chantilly VA US Mineralogical Society of America ISBN 978 0962209703 Retrieved December 5 2011 Vaughan D J Craig J R Mineral Chemistry of Metal Sulfides Cambridge University Press Cambridge 1978 ISBN 0 521 21489 0 Devey Anthony Grau Crespo R De Leeuw N H 2009 Electronic and magnetic structure of Fe3S4 GGA U investigation Physical Review B 79 19 195126 Bibcode 2009PhRvB 79s5126D doi 10 1103 PhysRevB 79 195126 Wang Jun Cao Shi He Wu Wei Zhao Guo Meng 2011 The Curie temperature and magnetic exchange energy in half metallic greigite Fe3S4 Physica Scripta 83 4 045702 Bibcode 2011PhyS 83d5702W doi 10 1088 0031 8949 83 04 045702 Further reading editMann Stephen Sparks Nicholas H C Frankel Richard B Bazylinski Dennis A Jannasch Holger W 1990 Biomineralization of ferrimagnetic greigite Fe3S4 and iron pyrite FeS2 in a magnetotactic bacterium Nature 343 6255 258 Bibcode 1990Natur 343 258M doi 10 1038 343258a0 S2CID 4351424 Roberts A 1995 Magnetic properties of sedimentary greigite Fe3S4 Earth and Planetary Science Letters 134 3 4 227 236 Bibcode 1995E amp PSL 134 227R doi 10 1016 0012 821X 95 00131 U Heywood B R Bazylinski D A Garratt Reed A Mann S Frankel R B 1990 Controlled biosynthesis of greigite Fe3S4 in magnetotactic bacteria Naturwissenschaften 77 11 536 538 Bibcode 1990NW 77 536H doi 10 1007 BF01139266 S2CID 28912546 Reynolds R L Tuttle M L Rice C A Fishman N S Karachewski J A Sherman D M 1994 Magnetization and geochemistry of greigite bearing Cretaceous strata North Slope basin Alaska American Journal of Science 294 4 485 528 doi 10 2475 ajs 294 4 485 Snowball Ian Thompson Roy 1988 The occurrence of Greigite in sediments from Loch Lomond Journal of Quaternary Science 3 2 121 125 Bibcode 1988JQS 3 121S doi 10 1002 jqs 3390030203 Stanjek H Fassbinder J W E Vali H Wagele H Graf W 1994 Evidence of biogenic greigite ferrimagnetic Fe3S4 in soil European Journal of Soil Science 45 2 97 103 doi 10 1111 j 1365 2389 1994 tb00490 x Hoffmann V 1992 Greigite Fe3S4 magnetic properties and first domain observations Physics of the Earth and Planetary Interiors 70 3 4 288 301 Bibcode 1992PEPI 70 288H doi 10 1016 0031 9201 92 90195 2 Fassbinder Jorg W E Stanjek Helge 1994 Magnetic properties of biogenic soil greigite Fe3S4 Geophysical Research Letters 21 22 2349 2352 Bibcode 1994GeoRL 21 2349F doi 10 1029 94GL02506 Retrieved from https en wikipedia org w index php title Iron II III sulfide amp oldid 1191701714, wikipedia, wiki, book, books, library,
