| 词条 | Silicon disulfide |
| 释义 |
| Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 464390444 | ImageFile1 = SiS2typeSilica.png | ImageSize1 = 300px | ImageFile2 = SiS2-chain-from-Ibam-xtal-2015-3D-balls.png | ImageSize2 = 300px | ImageFile3 = SiS2.png | ImageSize3 = 300px | IUPACName = silicon(IV) sulfide | SystematicName = | OtherNames = silicon disulfide |Section1={{Chembox Identifiers | Abbreviations = | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID = 75527 | InChI = 1/S2Si/c1-3-2 | InChIKey = KHDSWONFYIAAPE-UHFFFAOYAO | StdInChI_Ref = {{stdinchicite|correct|chemspider}} | StdInChI = 1S/S2Si/c1-3-2 | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} | StdInChIKey = KHDSWONFYIAAPE-UHFFFAOYSA-N | CASNo_Ref = {{cascite|changed|??}} | CASNo = 13759-10-9 | EINECS = | PubChem = 83705 | SMILES = S=[Si]=S | RTECS = | MeSHName = | ChEBI_Ref = {{ebicite|correct|EBI}} | ChEBI = | KEGG_Ref = {{keggcite|correct|kegg}} | KEGG = }} |Section2={{Chembox Properties | Formula = SiS2 | MolarMass = 92.218 g/mol | Appearance = White (samples are sometimes grey or brown) needles. Rotten egg smell in moist air. | Density = 1.853 g/cm3 | MeltingPtC = 1090 | MeltingPt_notes = sublimes | BoilingPtC = | BoilingPt_notes = | Solubility = Decomposes | SolubleOther = | Solvent = | LogP = | VaporPressure = | HenryConstant = | AtmosphericOHRateConstant = | pKa = | pKb = |Section3={{Chembox Structure | Coordination = Tetrahedral | CrystalStruct = Orthorhombic, oI12 | SpaceGroup = Ibam, No.72[1] |Section4={{Chembox Thermochemistry | DeltaHf = | DeltaHc = | Entropy = | HeatCapacity = |Section5={{Chembox Pharmacology | AdminRoutes = | Bioavail = | Metabolism = | HalfLife = | ProteinBound = | Excretion = | Legal_status = | Legal_US = | Legal_UK = | Legal_AU = | Legal_CA = | Pregnancy_category = | Pregnancy_AU = | Pregnancy_US = |Section6={{Chembox Explosive | ShockSens = | FrictionSens = | DetonationV = | REFactor = |Section7={{Chembox Hazards | EUClass = | MainHazards = | NFPA-H = 2 | NFPA-F = 2 | NFPA-R = 3 | NFPA-S = | RPhrases = | SPhrases = | RSPhrases = | FlashPt = | AutoignitionPt = | ExploLimits = | LD50 = | PEL = |Section8={{Chembox Related | OtherAnions = silicon dioxide | OtherCations = carbon disulfide germanium disulfide tin(IV) sulfide lead(IV) sulfide | OtherFunction = | OtherFunction_label = | OtherCompounds = }} Silicon sulfide is the inorganic compound with the formula SiS2. Like silicon dioxide, this material is polymeric, but it adopts a 1-dimensional structure quite different from the usual forms of SiO2. Synthesis, structure, and propertiesThe material is formed by heating silicon and sulfur or by the exchange reaction between SiO2 and Al2S3. The material consists of chains of edge-shared tetrahedra, Si(μ-S)2Si(μS)2, etc.[2] Like other silicon sulfur-compounds (e.g., bis(trimethylsilyl)sulfide) SiS2 hydrolyzes readily to release H2S. In liquid ammonia it is reported to form the imide Si(NH)2 and NH4SH,[3] but a recent report has identified crystalline (NH4)2[SiS3(NH3)]·2NH3 as a product which contains the tetrahedral thiosilicate anion, SiS3(NH3).[4] Reaction with ethanol gives the alkoxide, tetraethyl orthosilicate and H2S.[3] Reaction with sodium sulfide, magnesium sulfide and aluminum sulfide give thiosilicates.[3] SiS2 is claimed to occur in certain interstellar objects.[5] References1. ^{{cite journal |author1=Weiss, A. |author2=Weiss, A. | title = Über Siliciumchalkogenide. VI. Zur Kenntnis der faserigen Siliciumdioxyd-Modifikation | journal = Zeitschrift für Anorganische und Allgemeine Chemie | year = 1954 | volume = 276 | issue = 1–2 | pages = 95–112 | doi = 10.1002/zaac.19542760110 }} {{silicon compounds}}{{Sulfides}}{{Inorganic-compound-stub}}2. ^{{ cite book |author1=Holleman, A. F. |author2=Wiberg, E. | title = Inorganic Chemistry | publisher = Academic Press | location = San Diego | year = 2001 | isbn = 0-12-352651-5 }} A printing error in this book states that rSiSi is 214 picometers, when in fact that distance describes rSiS. 3. ^1 2 {{Greenwood&Earnshaw1st| pages =359}} 4. ^{{cite journal| last1 =Meier| first1 =Martin| last2 =Korber| first2 =Nikolaus| title =The first thiosilicate from solution: synthesis and crystal structure of (NH4)2[SiS3(NH3)]·2NH3| journal =Dalton Transactions| issue =9| year =2009| pages =1506| issn =1477-9226| doi =10.1039/b818856d}} 5. ^{{ cite journal | author = Goebel, J. H. | title = SiS2 in Circumstellar Shells | journal = Astronomy and Astrophysics | year = 1993 | volume = 278 | issue = 1 | pages = 226–230 | bibcode = 1993A&A...278..226G | url = http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1993A%26A...278..226G&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf }} 4 : Inorganic silicon compounds|Sulfides|Inorganic polymers|Dichalcogenides |
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