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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 8, Number 3
BKCSDE 8(3)
March 20, 1987

Title	Theoretical Studies on Aluminophosphate-5 (AlPO4 - 5)
Author	Kyung Jae Choi, Mu Shik Jhon*, Kyeong Tae No
Keywords
Abstract	Parameters of intraframework potential function suitable for aluminophosphate-5(AlPO4-5) are obtained by the constraint method. Using these parameters, we calculated the stabilization energies and their second derivatives of framework atoms and these values are compared with those of zeolite A. It is found that the oxygen atoms in AlPO4-5 framework are more stable than those of zeolite A and that the aluminum atom is also more stable than that of zeolite A. On the other hand, the phosphorus atom in AlPO4-5 framework, in which the silicon atoms of aluminosilicate are replaced by the phosphorus atom, is less stable than the silicon atom of aluminosilicate framework of dehydrated zeolite A.
Page	155 - 157
Full Text	PDF

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