Metanatrolite Joswig W, Baur W H Neues Jahrbuch fur Mineralogie, Monatshefte 1995 (1995) 26-38 The extreme collapse of a framework of NAT topology: the crystal structure of a metanatrolite (dehydrated natrolite) at 548 K Locality: Salesl, Czech Republic Sample: T = 548 K _database_code_amcsd 0014871 16.277 17.045 6.434 90 90 90.08 F2 atom x y z occ Uiso Si11 0 0 -.0129 .888 .0417 Si12 .25 .25 .2433 .900 .0401 Si21 .13708 .23414 .6144 .903 .0410 Si22 .11015 .97849 .3609 .894 .0416 Al11 .02695 .10535 .6065 .919 .0448 Al12 .26789 .14297 .8610 .898 .0420 O11 .0416 .0695 .8560 .064 O12 .2378 .1720 .1080 .061 O21 .0434 .2073 .5960 .055 O22 .2069 -.0425 .3500 .054 O31 .0913 .0691 .4070 .058 O32 .1478 .3033 .7803 .068 O41 .0712 -.0761 .5407 .063 O42 .1924 .1606 .6808 .069 O51 .0721 -.0409 .1369 .059 O52 .1684 .2644 .3849 .063 Na1 .0611 .1831 .1310 .85 .108 Na2 .3100 .0683 .332 .41 .078 Na21 .2844 .0701 .409 .41 .086