ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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Refinement of the Crystal Structure of Mullite

S. Ďurovič

Crystallographic Laboratory, McGill University, Montreal, P. Q., Canada


Abstract:  42 parameters of the crystal structure of 1.83/1-mullite have been refined by the least-squares method. The intensities of 1817 independent diffractions have been estimated visually, the final i?-factor is 0.113 (0.080). The results of the refinement confirmed the scheme of the mullite structure previously determined [1, 2, 4, 5], especially the distribution of the electron density in the neighborhood of the oxygen position, linking the Si and Al tetrahedra in the direction perpendicular to the c-axis, as suggested in [2]. The interatomic distances and bond angles as well as the review of the apparent thermal vibrations of the individual atoms are also given.

Full paper in Portable Document Format: 232a113.pdf


Chemical Papers 23 (2) 113–128 (1969)

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