Natrolite Stuckenschmidt E, Joswig W, Baur W H European Journal of Mineralogy 8 (1996) 85-92 Flexibility and distortion of the collapsible framework of NAT topology: the crystal structure of H3O-natrolite _database_code_amcsd 0006614 17.912 18.474 6.542 90 90 90.00 C2_1 atom x y z Uiso Si11 .5025 .5051 -.0016 .029 Si13 .7449 .2479 .2513 .029 Si21 .6534 .7160 .3752 .024 Si22 .3513 .2844 .3755 .023 Si23 .5984 .4656 .6267 .030 Si24 .9019 .0367 .6245 .029 Al11 .5359 .5968 .3840 .025 Al12 .4650 .4072 .3829 .027 Al13 .7132 .3448 .6345 .027 Al14 .7853 .1554 .6344 .027 O11 .4875 .4349 .1356 .034 O12 .5180 .5774 .1239 .031 O13 .7350 .3197 .3881 .045 O14 .7607 .1756 .3851 .044 O21 .5703 .6861 .4112 .035 O22 .4344 .3169 .3789 .032 O23 .6829 .4339 .6368 .030 O24 .8172 .0676 .6420 .029 O31 .5999 .5342 .4813 .043 O32 .3975 .4637 .4917 .039 O33 .3509 .2121 .2432 .040 O34 .6490 .7836 .2210 .033 O41 .7078 .6531 .2878 .035 O42 .2915 .3436 .2892 .032 O43 .5418 .4055 .5524 .038 O44 .4551 .5951 .5297 .046 O51 .6842 .7386 .5996 .040 O52 .3298 .2678 .6142 .036 O53 .4285 .5143 -.1411 .043 O54 .5773 .4913 -.1416 .036 O1 .9513 .2913 .3923 .083 H11 .997 .260 .396 .083 H12 .957 .336 .479 .083 H13 .926 .308 .266 .083 O2 .5282 .1893 .3512 .045 H21 .500 .153 .265 .045 H22 .496 .231 .394 .045 H23 .577 .200 .285 .045 O3 .2833 .5491 .1272 .134 O4 .7150 .4554 .1385 .143