(CN3H6)3Be2F7 Aleonard S, Gorius M Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 309 (1989) 683-687 Structure cristalline du pyrofluoroberyllate de guanidinium (CN3H6)3Be2F7 _cod_database_code 1008449 _database_code_amcsd 0016354 14.59 14.59 14.59 90 90 90 Ia3 atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Be1 .4394 .4394 .4394 .041 .041 .041 -.002 -.002 -.002 F1 .9736 .4498 .1585 .080 .085 .0524 .0115 -.0170 -.0123 F2 0 0 .5 .117 .117 .117 .038 .038 -.038 N1 .1730 .3362 .0157 .066 .066 .088 .016 -.003 -.010 N2 0 .25 .2030 .110 .096 .040 .022 0 0 C1 .25 .2918 0 .051 .037 .054 0 -.005 0 H1 .109 .493 .324 H2 .199 .530 .121 H3 .177 .010 .205