Li2Si2O5 Smith R I, Howie R A, West A R, Aragon-Pina A, Villafuerte-Castrejon M E Acta Crystallographica C46 (1990) 363-365 The structure of metastable lithium disilicate, Li2Si2O5 _database_code_amcsd 0010107 5.683 4.784 14.648 90 90 90 Pbcn atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Li .6043 .3058 .4492 1.59 Si .0944 .3062 .3515 1.04 .0139 .0048 .0010 -.0004 -.0012 -.0004 O1 0 .2438 .2500 1.66 .0270 .0074 .0010 0 -.0028 0 O2 -.0751 .2127 .4314 1.31 .0162 .0100 .0011 -.0003 .0018 .0016 O3 .3466 .1434 .3608 1.31 .0180 .0033 .0015 .0021 -.0025 .0010