The infra-red spectra of inorganic phosphorus compounds. Part II. Some salts of phosphorus oxy-acids
About: This article is published in Journal of The Chemical Society (resumed).The article was published on 1954-01-01. It has received 122 citations till now. The article focuses on the topics: Phosphorus.
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TL;DR: In this paper, the title compound (N4C6H21)·(Co(H2PO4)(HPO4)2) was prepared hydrothermally (473 K, 10 days, autogenous pressure), in the presence of tris(2-aminoethyl)amine as organic template.
9 citations
TL;DR: Minimumfunktionen h6herer Ordh u n g fah r t en zur Raumgruppe ~D~ und ergaben nngef~hre.
Abstract: und V sind Werte yon PERUTZI). Z = 14 Formeleinheiten (Fe, Mn, Ca, Mg) SiOa befinden sich in der Elementarzelle. Mit aus Weissenberg-Aufnahmen geschgtzten und wie fiblich korrigierten Intensitgten der h0l-Reflexe wurde die Pat terson-Funktion P (u, w) berechnet. Diese ist, abgesehen yore Unterschied der Gr6ge der Elementarzellen beider Silikate, weitgehend ghnlich der entsprechenden Projektion P (u, w) des Rhodonits2). Minimumfunktionen h6herer Ordh u n g fah r t en zur Raumgruppe ~D~ und ergaben nngef~hre
8 citations
TL;DR: In this article, the Raman and infrared spectra of H3CPOCl2, H5C2POCl2 and iso-H7C3POCl 2 have been investigated.
Abstract: The Raman and infrared spectra of H3CPOCl2, H5C2POCl2, and iso-H7C3POCl2 have been investigated. Assuming the symmetry C8 for the skeletal structure CPOCl2 in these compounds, the frequencies found can be assigned fully for H3CPOCl2 and H5C2POCl2, and in the lower region in iso-H7C3POCl2 only in part. The doubling of the P O stretching in H5C2- and iso-H7C3POCl2 can be explained from Fermi interaction with a CH deformation vibration. Of the two possible P-Cl stretching frequencies only the symmetrical one is of high intensity.
8 citations
TL;DR: In this paper, a mixture of lanthanum oxide, europium oxide, and phosphoric acid was heated with various ratios of P/(La + Eu) and Eu/(La+ Eu).
Abstract: Mixtures of lanthanum oxide, europium oxide, and phosphoric acid were heated with various ratios of P/(La + Eu) and Eu/(La + Eu). The obtained phosphates were estimated using XRD patterns, FT-IR spectra, and SEM images. The fluo-rescence spectra and resistance against hydrofluoric acid were estimated as functional properties of these phosphate materials. The condensed phosphates showed a strong peak at 615 nm and high resistance against hydrofluoric acid.
8 citations
Cites background from "The infra-red spectra of inorganic ..."
...The most important peak at 770 cm was from P–O–P bonding in condensed phosphates [17]....
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TL;DR: In this paper, a facile wet impregnation method was applied to modify the surface of anatase titania with phosphoric acid, which greatly enhanced the activity for the synthesis of benzimidazoles via hydrogen transfer.
8 citations