Terbium(III) nitrate

Terbium(III) nitrate

Hydrate form of terbium nitrate (left) and luminescence under 254 nm UV light (right)
Names
Other names
Terbium nitrate
Identifiers
3D model (JSmol)
ECHA InfoCard 100.030.113 Edit this at Wikidata
UNII
  • InChI=1S/3NO3.Tb/c3*2-1(3)4;/q3*-1;+3
    Key: YJVUGDIORBKPLC-UHFFFAOYSA-N
  • [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Tb+3]
Properties
Tb(NO3)3
Molar mass 344.946
Appearance Colorless crystals (hexahydrate)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Terbium(III) nitrate is an inorganic chemical compound, a salt of terbium and nitric acid, with the formula Tb(NO3)3. The hexahydrate crystallizes as triclinic colorless crystals with the formula [Tb(NO3)3(H2O)4]·2H2O.[1] It can be used to synthesize materials with green emission.[2]

Preparation

Terbium(III) nitrate can be prepared by dissolving terbium(III,IV) oxide in a mixture of aqueous HNO3 and H2O2 solution.[3]

Terbium(III) nitrate can be obtained by reacting terbium(III) oxide with nitric acid and crystallizing then drying the crystals with 45~55% sulfuric acid to obtain the hexahydrate.[4]

Properties

It reacts with NH4HCO3 to produce Tb2(CO3)3 along with its basic carbonate.[5] It forms Tb(NO3)2−5 in CH3CN with excess nitrate anions.[6]

References

  1. ^ a b Moret, Emmanuel; Bünzli, Jean-Claude G.; Schenk, Kurt J. (1990). "Structural and luminescence study of europium and terbium nitrate hexahydrates". Inorganica Chimica Acta. 178 (1): 83–88. doi:10.1016/S0020-1693(00)88138-4. ISSN 0020-1693.
  2. ^ Xia, Tifeng; Song, Tao; Zhang, Gege; Cui, Yuanjing; Yang, Yu; Wang, Zhiyu; Qian, Guodong (2016). "A Terbium Metal-Organic Framework for Highly Selective and Sensitive Luminescence Sensing of Hg2+Ions in Aqueous Solution". Chemistry - A European Journal. 22 (51): 18429–18434. doi:10.1002/chem.201603531. ISSN 0947-6539. PMID 27747951.
  3. ^ Hou, Zhiyao; Wang, Lili; Lian, Hongzhou; Chai, Ruitao; Zhang, Cuimiao; Cheng, Ziyong; Lin, Jun (2009). "Preparation and luminescence properties of Ce3+ and/or Tb3+ doped LaPO4 nanofibers and microbelts by electrospinning". Journal of Solid State Chemistry. 182 (4): 698–708. Bibcode:2009JSSCh.182..698H. doi:10.1016/j.jssc.2008.12.021. ISSN 0022-4596.
  4. ^ 高胜利, 刘翊纶, 杨祖培. 稀土硝酸盐的制法、性质及结构 Archived 2019-07-08 at the Wayback Machine. 稀土, 1990 (4): 23-28.
  5. ^ Foger, K.; Hoang, M.; Turney, T. W. (1992). "Formation and thermal decomposition of rare-earth carbonates". Journal of Materials Science. 27 (1): 77–82. Bibcode:1992JMatS..27...77F. doi:10.1007/BF02403646. ISSN 0022-2461. S2CID 189835444.
  6. ^ Bünzli, Jean-Claude G.; Vuckovic, Milan M. (1983). "Spectroscopic properties of anhydrous and aqueous solutions of terbium perchlorate and nitrate: Coordination numbers of the Tb(III) ion". Inorganica Chimica Acta. 73: 53–61. doi:10.1016/S0020-1693(00)90826-0. ISSN 0020-1693.

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