Structure and Vibrational Spectra of a New Acidic Diphosphate K2Cu(H2P2O7)2·2H2O. (Articolo in rivista)

Type
Label
  • Structure and Vibrational Spectra of a New Acidic Diphosphate K2Cu(H2P2O7)2·2H2O. (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1080/10426507.2012.736096 (literal)
Alternative label
  • (Khalouaf R., Ennaciri A., Ezzafrani M.)a ( Capitelli F.)b (2013)
    Structure and Vibrational Spectra of a New Acidic Diphosphate K2Cu(H2P2O7)2·2H2O.
    in Phosphorus, sulfur, and silicon and the related elements (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • (Khalouaf R., Ennaciri A., Ezzafrani M.)a ( Capitelli F.)b (literal)
Pagina inizio
  • 1038 (literal)
Pagina fine
  • 1052 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 188 (literal)
Rivista
Note
  • Scopus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a) Equipe de Spectroscopie et Chimie Théorique, Department of Chemistry, Faculty of Sciences, University Ibn Tofail, B. P. 133, 14000, Kenitra, Morocco b) Instituto di Cristallografia (IC-CNR), Via Salaria Km 29, 300, 00015, Monterotondo, Rome, Italy (literal)
Titolo
  • Structure and Vibrational Spectra of a New Acidic Diphosphate K2Cu(H2P2O7)2·2H2O. (literal)
Abstract
  • Crystals of the acidic diphosphate K2Cu(H2P2O7)2·2 H2O, dipotassium copper bis(dihydrogendiphosphate) dihydrate, obtained via two different syntheses, revealed by means of single-crystal X-ray diffraction to be polymorph within triclinic P? (a = 6.8560(4), b = 7.3140(3), c = 7.5570(4) Å; ? = 81.028(4)°, ? = 72.327(5)°, ? = 83.697(5)°, V = 355.86(3)Å3) and orthorhombic Pnma (a = 9.8990(6), b = 10.7810(7), c = 13.4010(7) Å, ? = ? = ? = 90°, V = 1430.17(15) Å3) space groups. Both phases were analyzed by FT-IR and micro-Raman vibrational spectroscopy and interpreted using factor group analysis. No coincidences of majority of the Raman and infrared spectral bands of K2Cu(H2P2O7)2·2 H2O confirmed the centrosymmetric structure of these two materials. The vibrational spectra point to a bent POP bridge angle. (literal)
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