Oxid praseodymitý

Oxid praseodymitý
Struktura
Obecné
Systematický název	Oxid praseodymitý
Sumární vzorec	Pr₂O₃
Vzhled	zelené krystaly
Identifikace
Registrační číslo CAS	12036-32-7
EC-no (EINECS/ELINCS/NLP)	234-845-3
PubChem	165911
SMILES	[O-2].[O-2].[O-2].[Pr+3].[Pr+3]
InChI	InChI=1S/3O.2Pr/q3-2;2+3
Vlastnosti
Molární hmotnost	329,81 g/mol
Teplota tání	2 183 °C (2460 K)
Teplota varu	3 760 °C (4030 K)^[1]
Hustota	6,9 g/cm³
Termodynamické vlastnosti
Standardní slučovací entalpie ΔH_f^°	−1809,6 kJ/mol
Měrné teplo	117,4 J⋅K⁻¹⋅mol⁻¹
Bezpečnost
GHS07 ^[2] Varování^[2]
Není-li uvedeno jinak, jsou použity jednotky SI a STP (25 °C, 100 kPa). Některá data mohou pocházet z datové položky.

Oxid praseodymitý je anorganická sloučenina se vzorcem Pr₂O₃. Vytváří zelené hexagonální krystaly^[1] se strukturou podobnou oxidu manganitému.^[3]

Použití

Oxid praseodymitý se ve směsi s křemíkem používá jako dielektrikum.^[3] Sklo s příměsí praseodymu, je žlutě zbarvené a používá se ve svářečských brýlích, kde pohlcuje infračervené záření. Slouží také k barvení skla a keramiky do žluta;^[4] podobný oxid praseodymito-praseodymičitý barví keramiku do hněda.

Reference

V tomto článku byl použit překlad textu z článku Praseodymium(III) oxide na anglické Wikipedii.

↑ ^a ^b LIDE, David R. Handbook of Chemistry and Physics. 87. vyd. [s.l.]: CRC Press, 1998. ISBN 0-8493-0594-2. S. 478, 523.
↑ ^a ^b Praseodymium(III) oxide. pubchem.ncbi.nlm.nih.gov [online]. PubChem [cit. 2021-05-24]. Dostupné online. (anglicky)
↑ ^a ^b DABROWSKI, Jarek; WEBER, Eicke R. Predictive Simulation of Semiconductor Processing. [s.l.]: Springer, 2004. ISBN 978-3-540-20481-7. S. 264.
↑ KREBS, Robert E. The History and Use of our Earth's Chemical Elements. [s.l.]: Greenwood Publishing Group, 2006. ISBN 978-0-313-33438-2. S. 283.

Oxidy s prvkem v oxidačním čísle III.

Oxid hlinitý (Al₂O₃) • Oxid antimonitý (Sb₂O₃) • Oxid arsenitý (As₂O₃) • Oxid bismutitý (Bi₂O₃) • Oxid boritý (B₂O₃) • Oxid ceritý (Ce₂O₃) • Oxid chromitý (Cr₂O₃) • Oxid dusitý (N₂O₃) • Oxid erbitý (Er₂O₃) • Oxid gadolinitý (Gd₂O₃) • Oxid gallitý (Ga₂O₃) • Oxid holmitý (Ho₂O₃) • Oxid inditý (In₂O₃) • Oxid železitý (Fe₂O₃) • Oxid lanthanitý (La₂O₃) • Oxid lutecitý (Lu₂O₃) • Oxid měditý (Cu₂O₃) • Oxid niklitý (Ni₂O₃) • Oxid fosforitý (P₄O₆) • Oxid promethitý (Pm₂O₃) • Oxid rhoditý (Rh₂O₃) • Oxid samaritý (Sm₂O₃) • Oxid skanditý (Sc₂O₃) • Oxid stříbrno-stříbřitý (AgO₂) • Oxid stříbřitý (Ag₂O₃) • Oxid terbitý (Tb₂O₃) • Oxid thallitý (Tl₂O₃) • Oxid thulitý (Tm₂O₃) • Oxid titanitý (Ti₂O₃) • Oxid wolframitý (W₂O₃) • Oxid vanaditý (V₂O₃) • Oxid ytterbitý (Yb₂O₃) • Oxid yttritý (Y₂O₃) • Oxid zlatitý (Au₂O₃) • Oxid chloritý (Cl₂O₃) • Oxid americitý (Am₂O₃)

Též také: Oxid železnato-železitý (Fe₃O₄) • Oxid praseodymito-praseodymičitý (Pr₆O₁₁) • Oxid měďnato-chromitý (Cu₂Cr₂O₅) • Oxid rhodito-platiničitý (Rh₂Pt O₅)

Anorganické soli praseodymité

Halogenidy a pseudohalogenidy	Fluorid praseodymitý (Pr F₃) • Chlorid praseodymitý (Pr Cl₃) • Bromid praseodymitý (Pr Br₃) • Jodid praseodymitý (Pr I₃) • Thiokyanatan praseodymitý (Pr(S C N)₃)

Soli kyslíkatých kyselin (neuvedeny soli se záměnou kyslíku za jiný prvek, složené a „zásadité“)	Chlorečnan praseodymitý (Pr(ClO₃)₃) • Chloristan praseodymitý (Pr(ClO₄)₃) • Bromičnan praseodymitý (Pr(BrO₃)₃) • Jodičnan praseodymitý (Pr(IO₃)₃) • Orthojodistan praseodymitý (Pr₅(IO₆)₃) • Metajodistan praseodymitý (Pr₆I₄O₂₃) • Siřičitan praseodymitý (Pr₂(SO₃)₃) • Síran praseodymitý (Pr₂(SO₄)₃) • Dithionan praseodymitý (Pr₂(S₂O₃)₃) • Seleničitan praseodymitý (Pr₂(SeO₃)₃) • Selenan praseodymitý (Pr₂(SeO₄)₃) • Dusičnan praseodymitý (Pr(NO₃)₃) • Fosforečnan praseodymitý (Pr PO₄) • Hydrogenfosforečnan praseodymitý (Pr₂(HPO₄)₃) • Metafosforečnan praseodymitý (Pr(PO₃)₃) • Hydrogendifosforečnan praseodymitý (PrHP₂O₇) • Uhličitan praseodymitý (Pr₂(CO₃)₃) • Wolframan praseodymitý (Pr₂(WO₄)₃) • Vanadičnan praseodymitý (Pr VO₄) • Orthoboritan praseodymitý (Pr BO₃)

Soli tvořené záměnou vodíku ze sloučenin typu prvek_x – vodík_y	Hydrid praseodymitý (PrH₃) • Hydroxid praseodymitý (Pr(OH)₃) • Oxid praseodymitý (Pr₂O₃) • Oxid praseodymito-praseodymičitý (Pr₆O₁₁) • Oxid praseodymičitý (PrO₂) • Sulfid praseodymitý (Pr₂S₃) • Tellurid praseodymitý (Pr₂Te₃) • Nitrid praseodymitý (Pr N) • Fosfid praseodymitý (Pr P) • Arsenid praseodymitý (Pr As) • Antimonid praseodymitý (Pr Sb)

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