Quartz Kihara K European Journal of Mineralogy 2 (1990) 63-77 An X-ray study of the temperature dependence of the quartz structure Sample: at T = 597 K _database_code_amcsd 0006365 4.9384 4.9384 5.4213 90 90 120 *P3_221 0 0 .6666666666666667 atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Si .4740 0 0 .0148 .0117 .0082 .00585 -.00005 -.0001 O .4149 .2600 .1246 .0334 .0260 .0162 .0195 -.0043 -.0086