Synthesis and characterization of a new series of zinc phosphites

Ortiz-Avila, C. Yolanda; Squattrito, Philip J.; Shieh, Minghuey; Clearfield, Abraham

doi:10.1021/ic00312a021

Cited by 74 publications

(45 citation statements)

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“…Recently, there has been a growing interest in the chemistry of metal phosphates, metal phosphites, metal phosphonates, and their derivatives (Clearfield, 1989). These compounds can provide porous structures which may have applications in catalysis, sorption and ion exchange.…”

Section: Introductionmentioning

confidence: 99%

“…Our research in this field is mainly focused on the synthesis and structural studies of these materials. We have prepared a number of metal phosphite compounds and their structures were solved using single crystal data Ortiz-Avila et al, 1989). The AI and the Fe phosphites were found to be isostructural on the basis of their powder diffraction data, but attempts to grow them in the single crystal form were Department of Chemistry, Texas A&M University, College Station, Texas 77843.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis and crystal structures of aluminum and iron phosphites

Poojary

Zhang²,

Cox³

et al. 1994

J Chem Crystallogr

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The hydrated forms of aluminum and iron phosphite were prepared and their structure was solved using X-ray powder diffraction data. The diffraction data for the aluminum phosphite powder sample was collected using synchrotron radiation (~. = 1.3087 A,) while that for iron phosphite was obtained from a rotating anode X-ray source. Both compounds crystallize in the monoclinic space group, P2~. Unit ceil parameters for the AI compound: a = 8.0941(1), b = 9.9137(1), c = 7.6254(1) A., ~ = 111.95~ Fe compound: a = 8.2548(1), b = 10.1814(1), c = 7.7964(1) (A,), fl = 111.94(1)". The Rietveld refined formula is M2(PO3H)3"4H20 (M=AI, Fe). There are two independent metal atoms in the structure and both are six-coordinated. One of them is coordinated by two water molecules and four phosphite oxygens. The other atom is surrounded by one water molecule and five phosphite oxygens. All the phosphite oxygens are involved in bridging the AI atoms. The geometry about AI, Fe, and P atoms is normal and they display expected bond parameters. The Lattice water is located in the cavity and is hydrogen bonded to phosphite'oxygen and water molecules.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Synthesis and crystal structures of aluminum and iron phosphites

Poojary

Zhang²,

Cox³

et al. 1994

J Chem Crystallogr

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show abstract

“…The P--H bond distances reported in the X-ray studies vary widely. In the most precise work where refinements of the H-atom positions were carried out, the results obtained ranged from 1.34 (2)/k [(NHn)2PHO3.H20; Rafiq, Durand & Cot, 1982] to 1.30 (3),~ [Zn2(PHO3)2(H20)a.H20; OrtizAvila, Squattrito, Shieh & Clearfield, 1989].…”

Section: Commentmentioning

confidence: 99%