Na2Si2O5
Rakic S, Kahlenberg V, Weidenthaler C, Zibrowius B
Physics and Chemistry of Minerals 29 (2002) 477-484
Structural characterization of high-pressure C-Na2Si2O5
by single-crystal diffraction and 29Si MAS NMR
_database_code_amcsd 0008657
4.8521 23.9793 8.1410 90 90.15 90 P2_1/c
atom      x      y      z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Na1   .2299 .26138  .5247 .0244  .0240  .0246  .0247  .0009  .0008  .0049
Na2   .2743 .51408  .3548 .0215  .0215  .0208  .0221  .0001  .0015  .0024
Na3   .2534 .47281 -.1019 .0225  .0219  .0248  .0208  .0018  .0002  .0031
Na4   .7548 .28108  .2783 .0229  .0211  .0266  .0209  .0006  .0005  .0027
Si1   .2961 .36325  .1966 .0146  .0136  .0166  .0135  .0002  .0012  .0002
Si2   .6843 .34077  .6429 .0145  .0134  .0156  .0145  .0002  .0001  .0000
Si3   .1831 .40821  .5373 .0145  .0132  .0156  .0147  .0002  .0008  .0003
Si4   .7948 .38941 -.0185 .0152  .0135  .0183  .0137  .0001  .0002  .0003
O1    .1210  .3844  .0352 .0195  .0165  .0243  .0176  .0006  .0010  .0021
O2    .2339  .3015  .2523 .0199  .0196  .0195  .0206  .0007  .0002  .0018
O3    .6209  .3690  .1429 .0184  .0172  .0221  .0159  .0002  .0011  .0006
O4    .2440  .4105  .3392 .0182  .0204  .0182  .0159  .0002  .0022  .0002
O5    .7431  .3414 -.1590 .0192  .0220  .0189  .0166  .0005  .0006  .0015
O6    .7456  .2819  .5655 .0184  .0194  .0179  .0179  .0001  .0002  .0002
O7    .3573  .3561  .6162 .0182  .0160  .0187  .0199  .0004  .0001  .0020
O8   -.1423  .3920  .5597 .0180  .0189  .0172  .0180  .0004  .0011  .0012
O9    .2452  .4667  .6166 .0183  .0196  .0203  .0149  .0004  .0002  .0005
O10   .7336  .4511 -.0767 .0195  .0198  .0192  .0195  .0022  .0002  .0006