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 = 523 C Locality: synthetic _database_code_amcsd 0007993 5.0017 5.0017 11.019 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 .47715 0 1/3 .0209 .02437 .01962 .00314 .00981 .000095 .00019 P .47804 0 5/6 .0213 .02503 .01792 .00339 .00896 .000115 .00023 O1 .41882 .27346 .26235 .0430 .05880 .04381 .00657 .03277 .00189 .00725 O2 .42018 .23894 .77500 .0422 .05362 .04411 .00718 .03264 .00442 .00915