Gibbsite Crystallography

Composition

Al(OH)3

Classification

Oxide and Hydroxide Group

Structural Parameters

a=8.6840, b=5.0780, c=9.7360 Å
alpha=90, beta=94.54, gamma=90°
Space Group: P 2(1)/n

atom

x/a

y/b

z/c
Al 0.1679 0.5295 0.9977
Al 0.3344 0.0236 0.9976
O 0.1779 0.2183 0.8885
O 0.6692 0.6558 0.8977
O 0.4984 0.1315 0.8956
O 0.9795 0.6293 0.8932
O 0.2971 0.7178 0.8948
O 0.8194 0.1491 0.8985
H 0.1010 0.1520 0.8760
H 0.5950 0.5730 0.9020
H 0.5030 0.1370 0.8100
H 0.9710 0.8010 0.8930
H 0.2930 0.7240 0.8040
H 0.8150 0.1600 0.1900

Reference

Saalfeld, H., and M. Wedde. 1974. Z. Kristallogr. 139:129-135.

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Original release: 1 Oct 1998;