We describe the crystal structure of the high-silica zeolite mutinaite, recently found at Mt. Adamson (Northern Victoria Land, Antarctica). Mutinaite is the natural counterpart of the synthetic zeolite ZSM-5. The new mineral, (Na2.76K0.11Mg0.21Ca3.78) (Al11.20 Si84.91) · 60 H2O H2O, is orthorhombic, space group Pnma, with a = 20.201(2), b = 19.991(2), and c = 13.469(2) Å. A single-crystal X-ray diffraction expt. was performed at the synchrotron radiation source ESRF (Grenoble). No Si-Al order in the framework has been detected. Large distances between ions in the channels and framework oxygens suggest weak interactions between the framework and extraframework species.

Crystal structure of the zeolite mutinaite, the natural analog of ZSM-5 / Vezzalini, Maria Giovanna; S., Quartieri; Galli, Ermanno; A., Alberti; G., Cruciani; A., Kvick. - In: ZEOLITES. - ISSN 0144-2449. - STAMPA. - 19:(1997), pp. 323-325.

Crystal structure of the zeolite mutinaite, the natural analog of ZSM-5

VEZZALINI, Maria Giovanna;GALLI, Ermanno;
1997

Abstract

We describe the crystal structure of the high-silica zeolite mutinaite, recently found at Mt. Adamson (Northern Victoria Land, Antarctica). Mutinaite is the natural counterpart of the synthetic zeolite ZSM-5. The new mineral, (Na2.76K0.11Mg0.21Ca3.78) (Al11.20 Si84.91) · 60 H2O H2O, is orthorhombic, space group Pnma, with a = 20.201(2), b = 19.991(2), and c = 13.469(2) Å. A single-crystal X-ray diffraction expt. was performed at the synchrotron radiation source ESRF (Grenoble). No Si-Al order in the framework has been detected. Large distances between ions in the channels and framework oxygens suggest weak interactions between the framework and extraframework species.
19
323
325
Crystal structure of the zeolite mutinaite, the natural analog of ZSM-5 / Vezzalini, Maria Giovanna; S., Quartieri; Galli, Ermanno; A., Alberti; G., Cruciani; A., Kvick. - In: ZEOLITES. - ISSN 0144-2449. - STAMPA. - 19:(1997), pp. 323-325.
Vezzalini, Maria Giovanna; S., Quartieri; Galli, Ermanno; A., Alberti; G., Cruciani; A., Kvick
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/736680
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