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Revision as of 20:39, 19 August 2011 editCheMoBot (talk | contribs)Bots141,565 edits Updating {{chembox}} (no changed fields - added verified revid - updated 'ChemSpiderID_Ref', 'DrugBank_Ref', 'UNII_Ref', 'ChEMBL_Ref', 'ChEBI_Ref', 'KEGG_Ref', 'StdInChI_Ref', 'StdInChIKey_Ref', 'ChEBI_Ref') per [[Misplaced Pages:WikiProject Chemicals/Chem← Previous edit		Latest revision as of 22:36, 18 July 2024 edit undoCitation bot (talk | contribs)Bots5,419,191 edits Added doi-access. | Use this bot. Report bugs. | Suggested by Headbomb | Linked from Misplaced Pages:WikiProject_Academic_Journals/Journals_cited_by_Wikipedia/Sandbox | #UCB_webform_linked 840/874
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	{{chembox		{{chembox
			| Watchedfields = changed
	| verifiedrevid = 409719738		| verifiedrevid = 445718579
⚫	| ImageFile = Titanium(II)_oxide.jpg
			| Name =
	<!-- | ImageSize = 200px -->
	| ImageName = Titanium(II) oxide		| ImageFile = Titanium(II)-oxide-3D-vdW.png
	| IUPACName =		| ImageSize =
	| OtherNames = Titanium monoxide		| ImageName = Titanium(II) oxide
		⚫	| IUPACName = Titanium(II) oxide
⚫	| Section1 = {{Chembox Identifiers
			| OtherNames = Titanium monoxide
⚫	| CASNo = 12137-20-1
			| SystematicName =
⚫	| CASNo_Ref = {{cascite}}
		⚫	| Section1 = {{Chembox Identifiers
⚫	| PubChem = 61685
		⚫	| CASNo = 12137-20-1
		⚫	| CASNo_Ref = {{cascite|correct|CAS}}
		⚫	| PubChem = 61685
			| SMILES = O=
			| InChI = 1S/O.Ti
	}}		}}
	| Section2 = {{Chembox Properties		| Section2 = {{Chembox Properties
	| Formula = TiO		| Formula = TiO
	| MolarMass = 63.866 g/mol		| MolarMass = 63.866 g/mol
	| Appearance = bronze crystals		| Appearance = bronze crystals
	| Density = 4.95 g/cm<sup>3</sup>		| Density = 4.95 g/cm<sup>3</sup>
	| MeltingPt = 1750 °C		| MeltingPtC = 1750
	| BoilingPt =		| BoilingPt =
	| Solubility =		| Solubility =
	}}		}}
	| Section3 = {{Chembox Structure		| Section3 = {{Chembox Structure
	| CrystalStruct = cubic		| CrystalStruct = cubic
	}}		}}
			| Section4 =
⚫	| Section7 = {{Chembox Hazards
	| ExternalMSDS =		| Section5 =
	| EUIndex = Not listed		| Section6 =
		⚫	| Section7 = {{Chembox Hazards
	| EUClass =
	| RPhrases =		| ExternalSDS =
	| SPhrases =		| HPhrases =
	| NFPA-H =		| PPhrases =
	| NFPA-F =		| GHS_ref =
	| NFPA-R =		| NFPA-H =
	| NFPA-O =		| NFPA-F =
		⚫	| NFPA-R =
⚫	| FlashPt = Non-flammable
	| LD50 =		| NFPA-S =
		⚫	| FlashPt = Non-flammable
⚫	| PEL =
			| LD50 =
⚫	}}
			| PEL =
⚫	| Section8 = {{Chembox Related
⚫	| OtherAnions =
⚫	| OtherCations =
⚫	| OtherFunctn = ]<br/>]<br/>]
⚫	| Function = ] ]s
	| OtherCpds =
	}}		}}
		⚫	| Section8 = {{Chembox Related
		⚫	| OtherAnions =
		⚫	| OtherCations =
		⚫	| OtherFunction = ]<br/>]<br/>]
		⚫	| OtherFunction_label = ] ]s
			| OtherCompounds =
		⚫	}}
	}}		}}
	'''Titanium(II) oxide''' (]]) is an ] ] of titanium and oxygen. It can be prepared from ] and titanium metal at 1500°C.<ref name = "Wiberg&Holleman">{{Holleman&Wiberg}}</ref> It is ] in a range TiO<sub>0.7</sub> to TiO<sub>1.3</sub> and this is caused by vacancies of either Ti or O in the defect rock salt structure (chalk).<ref name = "Wiberg&Holleman"/> In pure TiO 15% of both Ti and O sites are vacant.<ref name = "Wiberg&Holleman"/> Careful annealing can cause ordering of the vacancies producing a monoclinic form which has 5 TiO units in the primitive cell that exhibits higher resistivity<ref>Electrical and Magnetic Properties of TiO and VO, Banus M. D., Reed T. B., Strauss A. J., Phys. Rev. B 5, 2775 - 2784, (1972){{doi|10.1103/PhysRevB.5.2775}}</ref> There is also a high temperature form with titanium atoms with trigonal prismatic coordination.<ref>{{Greenwood&Earnshaw2nd}}</ref> Acid solutions of TiO are stable for a short time then decompose to give hydrogen:<ref name = "Wiberg&Holleman"/>		'''Titanium(II) oxide''' (]]) is an ] ] of titanium and oxygen. It can be prepared from ] and titanium metal at 1500&nbsp;°C.<ref name = "Wiberg&Holleman">{{Holleman&Wiberg}}</ref> It is ] in a range TiO<sub>0.7</sub> to TiO<sub>1.3</sub> and this is caused by vacancies of either Ti or O in the defect rock salt structure<!-- (chalk)-->.<ref name = "Wiberg&Holleman"/> In pure TiO 15% of both Ti and O sites are vacant,<ref name = "Wiberg&Holleman"/> as the vacancies allow metal-metal bonding between adjacent Ti centres. Careful annealing can cause ordering of the vacancies producing a monoclinic form which has 5 TiO units in the primitive cell that exhibits lower resistivity.<ref>{{cite journal | last1=Banus | first1=M. D. | last2=Reed | first2=T. B. | last3=Strauss | first3=A. J. | title=Electrical and Magnetic Properties of TiO and VO | journal=Physical Review B | publisher=American Physical Society (APS) | volume=5 | issue=8 | date=1972-04-15 | issn=0556-2805 | doi=10.1103/physrevb.5.2775 | pages=2775–2784| bibcode=1972PhRvB...5.2775B }}</ref> A high temperature form with titanium atoms with trigonal prismatic coordination is also known.<ref>{{Greenwood&Earnshaw2nd}}</ref> Acid solutions of TiO are stable for a short time then decompose to give hydrogen:<ref name = "Wiberg&Holleman"/>
	:Ti<sup>2+</sup> + H<sup>+</sup> → Ti<sup>3+</sup> + ½ H<sub>2</sub>		:2 Ti<sup>2+</sup>(aq) + 2 H<sup>+</sup>(aq) → 2 Ti<sup>3+</sup>(aq) + H<sub>2</sub>(g)
			Gas-phase TiO shows strong bands in the optical spectra of cool (]) stars.<ref name=Jorgensen1994/><ref>{{Cite web|url=http://www.stsci.edu/~inr/ldwarf.html|title = Spectral classification of late-type dwarfs}}</ref> In 2017, TiO was claimed to be detected in an ] atmosphere for the first time; a result which is still debated in the literature.<ref name = "Sedaghati2017" /><ref name = "Espinoza2019" /> Additionally, evidence has been obtained for the presence of the diatomic molecule TiO in the interstellar medium.<ref>{{cite journal | last1=Dyck | first1=H. M. | last2=Nordgren | first2=Tyler E. | title=The Effect of TiO Absorption on Optical and Infrared Angular Diameters of Cool Stars | journal=The Astronomical Journal | publisher=American Astronomical Society | volume=124 | issue=1 | year=2002 | issn=0004-6256 | doi=10.1086/341039 | pages=541–545| bibcode=2002AJ....124..541D | s2cid=117642107 | doi-access=free }}</ref>
	==References==		==References==
	{{reflist}}		{{reflist|refs=
			<ref name="Espinoza2019">{{cite journal |last1=Espinoza |first1=Nestor |display-authors=etal |title=ACCESS: A featureless optical transmission spectrum for WASP-19b from Magellan/IMACS |date=January 2019 |journal=] |volume=482 |issue=2 |pages=2065–2087 |doi= 10.1093/mnras/sty2691 |doi-access=free |arxiv = 1807.10652|bibcode = 2019MNRAS.482.2065E }}</ref>
⚫	{{Titanium compounds}}
			<ref name="Sedaghati2017">{{cite journal |last1=Sedaghati |first1=Elyar |last2=Boffin |first2=Henri M.J. |last3=MacDonald |first3=Ryan J. |last4=Gandhi |first4=Siddharth |last5=Madhusudhan |first5=Nikku |last6=Gibson |first6=Neale P. |last7=Oshagh |first7=Mahmoudreza |last8=Claret |first8=Antonio |last9=Rauer |first9=Heike |title=Detection of titanium oxide in the atmosphere of a hot Jupiter |date=14 September 2017 |journal=] |volume=549 |issue=7671 |pages=238–241 |doi=10.1038/nature23651 |pmid=28905896 |arxiv = 1709.04118 |bibcode = 2017Natur.549..238S |s2cid=205259502 }}</ref>
	]
⚫	]
	]
⚫	]
			<ref name=Jorgensen1994>{{cite journal
	{{inorganic-compound-stub}}
			| title=Effects of TiO in stellar atmospheres
			| last1=Jorgensen | first1=Uffe G.
			| journal=Astronomy and Astrophysics
			| volume=284 | issue=1 | pages=179–186 | date=April 1994
			| bibcode=1994A&A...284..179J |bibcode-access=free}}</ref>
			}}
	]
	]
		⚫	{{Titanium compounds}}
	]
			{{Oxides}}
			{{Molecules detected in outer space}}
		⚫	]
		⚫	]
			]
			]