Pillars W W, Peacor D R
American Mineralogist 58 (1973) 681-690
The crystal structure of beta eucryptite as a function of temperature
T = 23C
_database_code_amcsd 0000376
10.497 10.497 11.200 90 90 120 P6_422
atom x y z Biso
Si1 .2486 0 0 .24
Si2 .2477 .4954 0 .34
Al1 .2520 0 1/2 .21
Al2 .2506 .5012 1/2 .24
Li1 0 0 1/2 3.0
Li2 1/2 0 0 3.6
Li3 1/2 0 .3240 .8
O1 .0853 .1942 .2428 .44
O2 .6023 .7008 .2651 .53
O3 .1101 .7099 .2597 1.06
O4 .5902 .2011 .2494 .66
T = 200 C
_database_code_amcsd 0000377
10.499 10.499 11.197 90 90 120 P6_422
Si1 .2499 0 0 .37
Si2 .2476 .4952 0 .55
Al1 .2532 0 1/2 .49
Al2 .2499 .4998 1/2 .64
Li1 0 0 1/2 1.7
Li2 1/2 0 0 6.1
Li3 1/2 0 .324 1.8
O1 .0860 .1947 .2435 .99
O2 .6038 .7006 .2655 .81
O3 .1067 .7106 .2572 1.84
O4 .5906 .2017 .2499 1.10
T = 335 C
_database_code_amcsd 0000378
10.500 10.500 11.194 90 90 120 P6_422
Si1 .2502 0 0 .54
Si2 .2474 .4948 0 .73
Al1 .2530 0 1/2 .60
Al2 .2503 .5006 1/2 .78
Li1 0 0 1/2 3.2
Li2 1/2 0 0 2.7
Li3 1/2 0 .324 2.3
O1 .0870 .1945 .2454 1.24
O2 .6035 .7019 .2653 1.04
O3 .1061 .7109 .2585 2.58
O4 .5924 .2035 .2497 1.36
T = 440 C
_database_code_amcsd 0000379
10.501 10.501 11.194 90 90 120 P6_422
Si1 .2497 0 0 .66
Si2 .2483 .4966 0 .73
Al1 .2523 0 1/2 .87
Al2 .25 .5 1/2 .81
Li1 0 0 1/2 6.6
Li2 1/2 0 0 2.9
Li3 1/2 0 .324 3.6
O1 .0877 .1942 .2451 1.01
O2 .6033 .7020 .2666 .96
O3 .1054 .7089 .2560 2.82
O4 .5927 .2067 .2497 1.84
T = 484 C
_database_code_amcsd 0000380
5.251 5.251 11.192 90 90 120 P6_422
Si 1/2 0 0 .99
Al 1/2 0 1/2 .94
Li 0 0 0 7.1
O .2105 .4046 .7456 2.4
T = 647 C
_database_code_amcsd 0000381
5.251 5.251 11.189 90 90 120 P6_422
Si 1/2 0 0 1.11
Al 1/2 0 1/2 1.12
Li 0 0 0 7.6
O .2111 .4045 .7458 2.8
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Total number of retrieved datasets: 6 View in amc, download in amc
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