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Praseodymium(III) iodate

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Praseodymium(III) iodate
Identifiers
CAS Number
3D model (JSmol)
EC Number
  • 239-021-7
PubChem CID
CompTox Dashboard (EPA)
InChI
  • InChI=1S/3HIO3.Pr/c3*2-1(3)4;/h3*(H,2,3,4);/q;;;+3/p-3Key: CIFGBMZYGQOOKC-UHFFFAOYSA-K
SMILES
  • I(=O)=O.I(=O)=O.I(=O)=O.
Properties
Chemical formula Pr(IO3)3
Molar mass 665.62
Density 4.89 g·cm (pentahydrate)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Praseodymium(III) iodate is an inorganic compound with the chemical formula Pr(IO3)3.

Preparation

Praseodymium(III) iodate can be obtained by reacting praseodymium(III) nitrate and potassium iodate in a hot aqueous solution:

Pr(NO3)3 + 3 KIO3 → Pr(IO3)3 + 3 KNO3

Properties

Praseodymium(III) iodate can be thermally decomposed as follows:

7 Pr(IO3)3 → Pr5(IO6)3 + Pr2O3 + 9 I2 + 21 O2

References

  1. Abrahams, S.C.; Bernstein, J.L.; Nassau, K. (Jan 1976). "Transition metal iodates. VII. Crystallographic and nonlinear optic survey of the 4f-iodates". Journal of Solid State Chemistry. 16 (1–2): 173–184. Bibcode:1976JSSCh..16..173A. doi:10.1016/0022-4596(76)90020-7.
  2. Roy, Ajoy; Ghosh, Bijoy Prosad; Nag, K. (Jul 1981). "Phase transition behavior of rare earth iodates". Thermochimica Acta. 47 (1): 105–108. doi:10.1016/0040-6031(81)85012-5.
  3. Ghosh, B. P.; Nag, K. (Jul 1985). "Thermal and dielectric properties of rare earth iodates". Journal of Materials Science. 20 (7): 2335–2344. Bibcode:1985JMatS..20.2335G. doi:10.1007/bf00556063. ISSN 0022-2461.
Praseodymium compounds
Pr(II)
Pr(III)
Organopraseodymium(III) compounds
  • Pr2(CO3)3
  • Pr2(C2O4)3
    • Pr(III,IV)
    Pr(IV)
    Pr(V)
    Iodates
    HIO3 He
    LiIO3 Be +BO3 C (NH4)IO3
    +NO3     		O +F
    -F     		Ne
    NaIO3 Mg(IO3)2 Al(IO3)3 Si P +SO4 Cl Ar
    KIO3 Ca(IO3)2 Sc(IO3)3 Ti(IO3)4 V Cr Mn(IO3)2 Fe(IO3)2
    Fe(IO3)3     		Co(IO3)2 Ni(IO3)2 Cu(IO3)2 Zn(IO3)2 Ga(IO3)3 Ge As Se Br Kr
    RbIO3 Sr(IO3)2 Y(IO3)3 Zr(IO3)4 Nb Mo Tc Ru Rh Pd AgIO3 Cd(IO3)2 In(IO3)3 Sn(IO3)4 Sb Te I Xe
    CsIO3 Ba(IO3)2 * Lu(IO3)3 Hf(IO3)4 Ta W Re Os Ir Pt Au(IO3)3 Hg2(IO3)2
    Hg(IO3)2     		TlIO3 Pb(IO3)2 Bi(IO3)3 Po At Rn
    Fr Ra(IO3)2 ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
     
    * La(IO3)3 Ce(IO3)3 Pr(IO3)3 Nd(IO3)3 Pm(IO3)3 Sm(IO3)3 Eu(IO3)3 Gd(IO3)3 Tb(IO3)3 Dy(IO3)3 Ho(IO3)3 Er(IO3)3 Tm(IO3)3 Yb(IO3)3
    ** Ac Th(IO3)4 Pa U(IO3)2 Np(IO3)4 Pu(IO3)4 Am Cm Bk Cf Es Fm Md No
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