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Holmium(III) oxalate

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Holmium(III) oxalate
Identifiers
CAS Number
3D model (JSmol)
CompTox Dashboard (EPA)
InChI
  • InChI=1S/3C2H2O4.2Ho/c3*3-1(4)2(5)6;;/h3*(H,3,4)(H,5,6);;/q;;;2*+3/p-6Key: DYYFBWLZDJSPGO-UHFFFAOYSA-H
  • dihydrate: InChI=1S/3C2H2O4.2Ho.2H2O/c3*3-1(4)2(5)6;;;;/h3*(H,3,4)(H,5,6);;;2*1H2/q;;;2*+3;;/p-6Key: MIBITVHERFMSTH-UHFFFAOYSA-H
  • decahydrate: InChI=1S/3C2H2O4.2Ho.10H2O/c3*3-1(4)2(5)6;;;;;;;;;;;;/h3*(H,3,4)(H,5,6);;;10*1H2/q;;;2*+3;;;;;;;;;;/p-6Key: OKKLEXNPKBZYQY-UHFFFAOYSA-H
SMILES
  • ..C(=O)C(=O).C(=O)C(=O).C(=O)C(=O)
  • dihydrate: ..C(=O)C(=O).C(=O)C(=O).C(=O)C(=O).O.O
  • decahydrate: ..C(=O)C(=O).C(=O)C(=O).C(=O)C(=O).O.O.O.O.O.O.O.O.O.O
Properties
Chemical formula Ho2(C2O4)3
Appearance yellow crystals (heptahydrate)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Holmium(III) oxalate is the oxalate salt of holmium, with the chemical formula Ho2(C2O4)3. It exists in anhydrous and hydrated forms.

Properties

Holmium(III) oxalate decahydrate decomposes in heat to obtain the dihydrate, which is further heated to obtain the anhydrous form, and finally holmium(III) oxide is obtained. It reacts with hydrochloric acid to obtain H·6H2O.

References

  1. Wendlandt, W. W. (1959). "Thermal Decomposition of Rare Earth Metal Oxalates". Analytical Chemistry. 31 (3): 408–410. doi:10.1021/ac60147a024. ISSN 0003-2700.
  2. Moebius, R.; Matthes, F. (1964). "The exchange of oxalate ions for chloride ions of the oxalate hydrates of the rare earths and yttrium". Zeitschrift für Chemie. 4 (6): 234–235.
Holmium compounds
Compounds of the oxalate ion
(H2C2O4) He
Li2C2O4 BeC2O4 +BO3 +CO3 (NH4)2C2O4
+NO3
O F Ne
Na2C2O4
NaHC2O4
MgC2O4 Al Si +PO4
+PO3
+SO4 +Cl Ar
K2C2O4
KHC2O4
CaC2O4 Sc Ti V CrC2O4 MnC2O4 FeC2O4
Fe2(C2O4)3
+Fe
humboldtine
+NH4 +Na +K +K
CoC2O4 -Ni CuC2O4 Katsarosite Ga2(C2O4)3 Ge As Se Br Kr
Rb2C2O4 SrC2O4 Y2(C2O4)3 Zr Nb(HC2O4)5 Mo Tc Ru Rh Pd Ag2C2O4 CdC2O4 In2(C2O4)3 SnC2O4 Sb Te I Xe
Cs2C2O4 BaC2O4 * Lu2(C2O4)3 Hf Ta W Re Os Ir -Pt Au Hg Tl PbC2O4 Bi Po At Rn
Fr Ra ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
 
* La2(C2O4)3 Ce2(C2O4)3 Pr2(C2O4)3 Nd2(C2O4)3 Pm2(C2O4)3 Sm2(C2O4)3 Eu2(C2O4)3 Gd2(C2O4)3 Tb2(C2O4)3 Dy2(C2O4)3 Ho2(C2O4)3 Er2(C2O4)3 Tm2(C2O4)3 Yb2(C2O4)3
** Ac2(C2O4)3 Th(C2O4)2 Pa UO2C2O4 Np(C2O4)2 Pu(C2O4)2 Am Cm2(C2O4)3 Bk2(C2O4)3 Cf2(C2O4)3 Es2(C2O4)3 Fm Md No
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