Berlinite Muraoka Y, Kihara K Physics and Chemistry of Minerals 24 (1997) 243-253 The temperature dependence of the crystal structure of berlinite, a quartz-type form of AlPO4 Sample: T = 486 C Locality: synthetic _database_code_amcsd 0007992 5.000 5.000 11.016 90 90 120 *P3_221 0 0 .33333333333333333333 atom x y z Uiso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Al .47594 0 1/3 .0193 .02345 .01668 .00286 .00834 .00000 .00000 P .47691 0 5/6 .0199 .02377 .01678 .00309 .00839 .000095 .00019 O1 .41835 .27419 .26318 .0407 .05277 .04235 .00646 .03009 .00240 .00737 O2 .41923 .23986 .77613 .0408 .05393 .04190 .00712 .03363 .00492 .00875