{{위키데이터 속성 추적}}
{{Chembox
| Watchedfields  = changed
| verifiedrevid  = 415682145
| Name           = 산화 리튬<br />Lithium oxide
| ImageFile      = Lithium-oxide-unit-cell-3D-balls-B.png
| ImageSize      = 135px
| ImageFile1     = Lithium-oxide-unit-cell-3D-ionic.png
| ImageSize1     = 135px
| ImageFile2     = CaF2 polyhedra.png
| ImageCaption2  = <span style="color:#B3EE3A; background-color:#B3EE3A;">__</span> [[Lithium|Li]]<sup>+</sup>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style="color:#C0C0C0;background-color:#C0C0C0;">__</span> [[Oxygen|O]]<sup>2−</sup>
| ImageFile3     = Li2O.jpg
| IUPACName      = Lithium oxide
| OtherNames     = Lithia, Kickerite
| Section1       = {{Chembox Identifiers
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 145811
| InChI = 1S/2Li.O/q2*+1;-2
| InChIKey = FUJCRWPEOMXPAD-UHFFFAOYAW
| SMILES = [Li+].[Li+].[O-2]
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/2Li.O/q2*+1;-2
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = FUJCRWPEOMXPAD-UHFFFAOYSA-N
| InChIKey1 = FUJCRWPEOMXPAD-UHFFFAOYSA-N
| CASNo = 12057-24-8
| CASNo_Ref = {{cascite|correct|CAS}}
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = 2ON0O9YI0Q
| EINECS =
| PubChem = 166630
| RTECS = OJ6360000
 }}
| Section2       = {{Chembox Properties
| Formula = {{chem|Li|2|O}}
| MolarMass = 29.88 g/mol
| Appearance = 하얀 고체
| Density = 2.013 g/cm<sup>3</sup>
| MeltingPtC = 1438
| BoilingPtC = 2600
| Solubility = 반응하여 [[수산화 리튬|LiOH]]를 형성
| SolubleOther = 
| Solvent = 
| LogP = 9.23
| RefractIndex = 1.644<ref>Pradyot Patnaik. ''Handbook of Inorganic Chemicals''. McGraw-Hill, 2002, {{ISBN|0-07-049439-8}}</ref>
 }}
| Section3       = {{Chembox Structure
| CrystalStruct = [[반형석]] (입방 구조), [[피어슨 심볼|''cF12'']]
| SpaceGroup = Fm<u style="text-decoration:overline">3</u>m, No. 225 
| Coordination = Tetrahedral (Li<sup>+</sup>); cubic (O<sup>2−</sup>)
| LattConst_a = 
| LattConst_alpha = 
 }}
| Section4       = {{Chembox Thermochemistry
| DeltaHf = -20.01 kJ/g or -595.8 kJ/mol
| DeltaGf = -562.1 kJ/mol
| Entropy = 37.89 J/mol K
| HeatCapacity = 1.8105 J/g K or 54.1 J/mol K
 }}
| Section5       = 
| Section6       = 
| Section7       = {{Chembox Hazards
| ExternalSDS = 
| MainHazards = 부식성, 물과 강하게 반응
| NFPA-H = 3 
| NFPA-F = 0 
| NFPA-R = 1
| NFPA-S = W
| FlashPt = 타지 않음
| PEL = 
 }}
| Section8       = {{Chembox Related
| OtherAnions = [[황화 리튬]]<br/>[[셀레늄화 리튬]]<br/>[[텔루륨화 리튬]]<br/>[[폴로늄화 리튬]]
| OtherCations = [[산화 나트륨]]<br/>[[산화 칼륨]]<br/>[[산화 루비듐]]<br/>[[산화 세슘]]
| OtherFunction = [[과산화 리튬]]<br/>[[초과산화 리튬]]
| OtherFunction_label = [[산화]] [[리튬]]
| OtherCompounds = [[수산화 리튬]]
 }}
}}
'''산화 리튬'''(Lithium oxide)은 [[화학식]] {{chem|Li|2|O}}을 갖는 [[무기 화합물]]이다. 백색 고체이다. 특별한 중요성을 보이지는 않으나 수많은 물질들이 Li<sub>2</sub>O를 기초로서 구성되어 있다. 예를 들어 [[스포듀민]]의 Li<sub>2</sub>O 함량은 8.03%이다.<ref name=Ullmann>Wietelmann, Ulrich and Bauer, Richard J. (2005) "Lithium and Lithium Compounds" in ''Ullmann's Encyclopedia of Industrial Chemistry'', Wiley-VCH: Weinheim. {{doi|10.1002/14356007.a15_393}}.</ref>

== 반응 ==
[[이산화 탄소]]와 반응하면 [[탄산 리튬]]을 형성한다:
:{{chem|Li|2|O}} + {{chem|C|O|2}} → {{chem|Li|2|C|O|3}}

물과 천천히 반응하면 [[수산화 리튬]]을 형성한다:
:{{chem|Li|2|O}} + {{chem|H|2|O}} → 2{{chem|Li|O|H}}

== 같이 보기 ==
* [[과산화 리튬]]
* [[리튬 코발트 산화물]]
* [[멤리스터]]

== 각주 ==
{{각주}}

== 외부 링크 ==
* [https://web.archive.org/web/20060521163250/http://www.ceramic-materials.com/cermat/oxide/li2o.html CeramicMaterials.Info entry]

{{산화물}}
{{전거 통제}}

[[분류:산화물]]
[[분류:리튬 화합물]]