Rb(BF4) Clark M J R, Lynton H Canadian Journal of Chemistry 47 (1969) 2579-2586 Crystal structures of potassium, ammonium, rubidium and cesium tetrafluoroborates _database_code_amcsd 0012156 7.296 9.108 5.636 90 90 90 Pbnm atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Rb .16209 .18686 .25 .00902 .00544 .02235 .00097 .00107 -.00052 B .6964 .05894 .25 .00593 .00739 .02066 -.00129 .01065 -.00795 F1 .6179 -.08459 .25 .02698 .0094 .04352 -.00302 -.00159 -.01935 F2 .5673 .16224 .25 .00809 .01814 .03518 .02367 .00522 .00844 F3 .80056 .07436 .04863 .01561 .01068 .01941 -.00202 .00576 -.00132