Feldspar
Benna P, Bruno E
American Mineralogist 88 (2003) 1532-1541
Single-crystal in situ high-temperature structural investigation of the I-1 - I2/c phase
transition in Ca0.2Sr0.8Al2Si2O8 feldspar
T = 200 C
_database_code_amcsd 0003178
8.367 12.968 14.266 90.68 115.51 90.54 I-1
atom         x      y     z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca(0)    .2704  .0010 .0667  .2 .027   .011   .037   .029   .000   .005  -.012
Sr(0)    .2704  .0010 .0667  .8 .027   .011   .037   .029   .000   .005  -.012
Ca(z)    .2690  .0059 .5640  .2 .023   .012   .029   .025   .001   .006  -.004
Sr(z)    .2690  .0059 .5640  .8 .023   .012   .029   .025   .001   .006  -.004
SiT1(00) .0073  .1708 .1074     .013   .014   .015   .011  -.003   .007  -.001
AlT1(0z) .0031  .1746 .6155     .012   .012   .013   .012  -.002   .006   .000
AlT1(m0) .0021  .8197 .1173     .012   .013   .014   .011   .002   .006   .000
SiT1(mz) .0069  .8224 .6093     .012   .013   .014   .011   .003   .006   .001
AlT2(00) .6933  .1190 .1679     .012   .010   .012   .013   .000   .005   .000
SiT2(0z) .6838  .1115 .6687     .012   .011   .011   .014  -.001   .006  -.001
SiT2(m0) .6852  .8854 .1748     .012   .010   .011   .013   .001   .004   .000
AlT2(mz) .6936  .8782 .6724     .012   .012   .011   .013   .001   .006   .000
OA(10)   .0059  .1285 .9983     .018   .023   .019   .013  -.001   .010   .001
OA(1z)   .9953  .1292 .4972     .018   .022   .022   .012   .001   .010   .002
OA(20)   .5906  .9970 .1425     .017   .016   .010   .025   .001   .008   .002
OA(2z)   .5893  .9974 .6421     .017   .011   .011   .027  -.001   .005   .000
OB(00)   .8265  .1205 .1024     .022   .019   .025   .026  -.005   .014  -.001
OB(0z)   .8069  .1207 .6076     .022   .020   .024   .027  -.005   .016   .001
OB(m0)   .8099  .8677 .1165     .024   .018   .029   .031   .005   .016  -.003
OB(mz)   .8286  .8683 .6091     .022   .021   .026   .027   .007   .016   .003
OC(00)   .0142  .2933 .1232     .021   .021   .018   .025  -.006   .010  -.005
OC(0z)   .0195  .3059 .6369     .021   .019   .016   .030  -.007   .011  -.006
OC(m0)   .0153  .6868 .1242     .020   .018   .015   .025   .005   .008   .002
OC(mz)   .0115  .6986 .6129     .021   .020   .017   .025   .005   .008   .002
OD(00)   .1865  .1201 .1935     .024   .021   .031   .016   .003   .004   .002
OD(0z)   .1966  .1144 .6999     .021   .018   .024   .015   .002   .002   .001
OD(m0)   .1987  .8775 .2071     .022   .018   .026   .016  -.001   .001  -.002
OD(mz)   .1879  .8704 .6991     .024   .018   .029   .017  -.001   .002  -.003