Download Zeolite-Type Crystal Structures and their Chemistry. by W.H. Baur, R.X. Fischer PDF

By W.H. Baur, R.X. Fischer

Zeolites and zeolite-like fabrics turned very important due to their ion trade capacities and their awesome catalytic houses. hundreds of thousands of lots of zeolites were produced some time past years for the oil refining by myself and, in even higher amounts, as ion-exchanging softening brokers for detergents. quite a few different purposes, e.g., in environmental safeguard, farming, fuel separation, medication, and pharmacy, are identified, making zeolites virtually a need for way of life. as a result, there are lots of learn actions facing zeolite houses and characterization. in spite of the fact that, a strictly systematic description of zeolite-type crystal buildings was once no longer on hand yet is now offered during this sequence of volumes. it truly is designed as a reference paintings for zeolite chemists and fabrics scientists, however it additionally serves as a device to interpret structural similarities and to derive new constructions from recognized topologies.

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Extra resources for Zeolite-Type Crystal Structures and their Chemistry. Framework Type Codes DAC to LOV

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M. m. m. 2 Selected interatomic distances and angles for dodecasil 1H, Si34O68 no. 96 . C5H10NH 5N2 (DOH1984a01, 84Ger1). 4 Chemical composition D He H Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Fig. 1 Chemical elements (highlighted) occurring in DOH-type compounds. Framework cations are in grey fields. 5 References for DOH Flexibility and apertures There is insufficient information about this type to speak about its flexibility.

P. 52] DFT 45 b c b a a c a View parallel [001] rotated by 2° about [100] and [010]. b View parallel [100] rotated by 1° about [010] and [001]. a b c c View parallel [110] rotated by 1° about [ 010 ]and [001]. d Ball and stick model corresponding to a) Fig. 1 crystal structure of UCSB-3GaGe, (C2H10N2)4Ga8Ge8O32 (DFT1998a01, 98Bu1). GaO4 tetrahedra are light grey and hatched, GeO4-tetrahedra are dark grey. Landolt-Börnstein New Series IV/14 46 DFT [Ref. p. 2 Selected interatomic distances and angles for UCSB-3GaGe, (C2H10N2)4Ga8Ge8O32 (DFT1998a01, 98Bu1).

Ref. 58 b The assemblage shown in a) completed by two additional kfs chains. d The assemblage shown in c) with the additional doh units forming the kfv pillars in 0, 0, z. Fig. 2 The building scheme of the framework structure of DOH-type zeolites in the highest possible topological symmetry P 6/m m m (DOH1984a01, 84Ger1). The complete assemblage is shown in Fig. 1. 2 Structural parameters of the DOH-type compounds. s. s. 293 298 84Ger1 86Gie1 93Mie1 98Sch1 Landolt-Börnstein New Series IV/14 Ref.

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