Chabazite-Ca Alberti A, Galli E, Vezzalini G, Passaglia E, Zanazzi P F Zeolites 2 (1982) 303-309 Position of cations and water molecules in hydrated chabazite. Natural and Na-, Ca-, Sr- and K-exchanged chabazites Locality: Keller, Nidda, Germany Note: Natural chabazite _database_code_amcsd 0017686 9.428 9.428 9.428 94.14 94.14 94.14 R-3m atom x y z occ Biso K1 0 0 0 .01 4.80 Mg1 0 0 0 .02 4.80 Ca1 0 0 0 .1 4.80 Sr1 0 0 0 .02 4.80 K2 .1965 .1965 .1965 .03 2.0 Mg2 .1965 .1965 .1965 .08 2.0 Ca2 .1965 .1965 .1965 .29 2.0 Sr2 .1965 .1965 .1965 .06 2.0 K3 .406 .406 .406 .02 3.9 Mg3 .406 .406 .406 .05 3.9 Ca3 .406 .406 .406 .19 3.9 Sr3 .406 .406 .406 .04 3.9 K4 .579 .579 .233 .01 4.3 Mg4 .579 .579 .233 .02 4.3 Ca4 .579 .579 .233 .09 4.3 Sr4 .579 .579 .233 .02 4.3 Al1 .1035 .3338 .8741 .32 .82 Si1 .1035 .3338 .8741 .68 .82 O1 .2651 -.2651 0 2.64 O2 .1536 -.1536 .5 1.72 O3 .2494 .2494 .8947 2.68 O4 .0214 .0214 .3234 2.53 Wat1 .5 .5 0 10.9 Wat2 .256 .256 .509 .54 11.40 Wat3 .199 .357 .507 .33 13.0 Wat4 .367 -.367 .5 .29 11.80 Wat5 .585 .585 .316 .26 10.5 Wat6 .248 .248 .248 .77 5.3