Barberiite van Rensburg D J J, Boeyens J C A Journal of Solid State Chemistry 5 (1972) 79-84 The crystal structure of ammonium tetrafluoroborate IV at 140 K Locality: synthetic Sample: T = 140 K Note: x(H2), y(H2) adjusted to match reported bond lengths _database_code_amcsd 0013299 7.243 8.808 5.908 90 90 90 Pbnm atom x y z Biso N .1714 .1843 .25 .704 H1 .1300 .2900 .25 3.000 H2 .2890 .1980 .25 3.000 H3 .1000 .1500 .08 3.000 B .6905 .0722 .25 1.223 F1 .5822 .9403 .25 2.406 F2 .5764 .2019 .25 1.571 F3 .806 .0768 .0527 1.469