Zur Chemie des Indiums. XI. Verbindungen des Indiums mit den Sauerstoffsäuren des Phosphors

Abstract

und Metaphosphorsiiure und der unterphosphorigen Siiure werden beschrieben. Aul3erdem wird die Darstellung eines Natrium-Indium(II1)-orthophosphats und zweier Natrium-Indium(II1)-pyrophosphate angegeben.

The In‐P‐O Phase Diagram: Construction and Applications

“…The proposed formulation as In~(P2OT)3 is also inconsistent with known structural properties of pyrophosphate salts (8); no trivalent, single cation pyrophosphate salts have ever been observed in the solid state. We suspect that the precipitation procedure of Ensslin et al (6) involving In~(SOd)~ and NadP2OT" 10H~O solutions may result in the mixed salt NaInP207 analogous to NaA1P207 (8). Partial hydrolysis of P2074-would account for the presence of the observed InPOd.…”

“…Other reported indium compounds are more questionable, however. Ensslin, Dreyer, and Lessmann (6) have reported the preparation of the metaphosphate of indium, i.e., In(PO3)3. Although there has been no structure determination to verify this formula, the aluminum analogue AI(PO3)s is well known.…”

“…Although there has been no structure determination to verify this formula, the aluminum analogue AI(PO3)s is well known. In addition, we have been able to obtain single phase reproducible Raman spectra from In(PO3)3 samples made in solution (6) and under anhydrous (In2Os + 3P205) conditions. A glassy form (7) has also been obtained following a rapid quench from 1350~ An additional compound reported by Ensslin et al (6), Ind(PzO7)~, does not appear to be correct.…”

“…In addition, we have been able to obtain single phase reproducible Raman spectra from In(PO3)3 samples made in solution (6) and under anhydrous (In2Os + 3P205) conditions. A glassy form (7) has also been obtained following a rapid quench from 1350~ An additional compound reported by Ensslin et al (6), Ind(PzO7)~, does not appear to be correct. An attempt to synthesize and characterize this material via their preparative route results in a multiphase mixed product containing InPOd.…”

Synthèse et caractérisation structurale d'un phosphate d'indium In3P2O8 présentant des paires In–In

“…En effet, alors que GaPO 4, AIPO 4 et BPO 4 pr6sentent des structures analogues ~ celles des vari&6s de la silice, avec les atomes M en coordination t6tra6drique, les atomes d'indium dans InPO 4 sont en coordination octa6drique (Mooney, 1956). Quant A In(PO3) 3 et In4(P207)3, autres phosphates d'indium connus, aucune donn6e n'est disponible jusqu'h pr6sent concernant leur structure (Ensslin, Dreyer & Lessmann, 1947;Deichman, Tananaev, Ezhova & Palkina, 1970). Quant A In(PO3) 3 et In4(P207)3, autres phosphates d'indium connus, aucune donn6e n'est disponible jusqu'h pr6sent concernant leur structure (Ensslin, Dreyer & Lessmann, 1947;Deichman, Tananaev, Ezhova & Palkina, 1970).…”