Lawsonite Libowitzky E, Armbruster T American Mineralogist 80 (1995) 1277-1285 Low-temperature phase transitions and the role of hydrogen bonds in lawsonite Sample: T = 110 K _database_code_amcsd 0001763 5.855 8.762 13.094 90 90 90 *P2_1cn .25 .25 0 atom x y z Biso Ca .0066 .33176 .25106 .311 Al .25 .24952 -.00036 .192 Ala .2458 .25214 .50131 .162 Si -.0031 .98003 .13181 .198 Sia -.0010 .97795 .36558 .205 O1 -.0076 .0499 .24891 .35 O2 .2752 .3731 .1192 .367 O2a .2675 .3818 .38584 .367 O2b .7237 .6235 .88203 .367 O2c .7239 .6281 .62160 .367 O3 .0024 .13682 .06297 .29 O3a -.0011 .13475 .43428 .32 O4a -.0007 .6320 .45967 .31 O4 -.0062 .6395 .05075 .38 O5 -.0130 .6094 .24811 .66 Hw -.004 .640 .183 2.8 Hwa .958 .689 .283 3.4 Hh .008 .539 .037 2.5 Hha .043 .576 .414 5.4