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Na2Si3O7 |
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Kruger H, Kahlenberg V, Friese K |
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Acta Crystallographica B62 (2006) 440-446 |
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Na2Si3O7: an incommensurate structure with crenel-type modulation functions, |
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refined from a twinned crystal |
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_database_code_amcsd 0009936 |
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20.416 6.4987 4.9294 90 90.26 90 C2/c |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Na .29570 .3515 .2653 .0263 .0372 .0234 .0184 -.0012 .0011 -.0022 |
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Si1 .13414 .3581 .2013 .0218 .0243 .0201 .0208 -.0023 .0034 -.0010 |
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Si2 0 .1359 .1855 .5 .0177 .0217 .0184 .0130 .0008 .0016 .0005 |
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O1 .35972 .0666 .1199 .0283 .040 .0226 .0225 .0010 .0030 -.0010 |
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O2 .19026 .1984 .2567 .0216 .0310 .0210 .0129 .0032 -.0023 -.0020 |
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O3 -.0137 -.0607 .3781 .5 .0303 .052 .027 .012 -.009 .001 .005 |
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O4 .06199 .2664 .2426 .0273 .0260 .028 .028 -.0037 .000 .004 |
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Na6 O19 Si8 |
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Kruger H, Kahlenberg V, Kaindl R |
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Solid State Sciences 7 (2005) 1390-1396 |
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Structural studies on Na6Si8O19 - a monophyllosilicate with a |
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new type of layered silicate anion |
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_cod_database_code 1101079 |
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_database_code_amcsd 0018284 |
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4.9038 23.481 15.392 90.00 90.140 90.00 P2_1/c |
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atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Si1 .2017 .19407 -.36169 .0158 .0146 .0115 .0215 .0005 -.0002 .0012 |
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Si2 .8047 .13559 -.08868 .0161 .0157 .0119 .0206 .0012 -.0005 -.0002 |
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Si3 -.2091 -.00669 -.35632 .0155 .0144 .0101 .0220 .0009 .0000 .0012 |
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Si4 -.8027 -.15861 -.32271 .0156 .0158 .0097 .0214 .0002 .0000 .0003 |
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Si5 -.6996 .06614 -.32601 .0154 .0153 .0102 .0206 .0007 .0008 .0013 |
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Si6 .3025 .06179 -.12038 .0153 .0149 .0107 .0203 -.0008 -.0007 -.0004 |
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Si7 .7039 .21609 -.24782 .0154 .0143 .0104 .0215 .0007 -.0004 -.0008 |
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Si8 -.3025 -.10513 -.23390 .0158 .0150 .0131 .0192 -.0001 .0001 -.0008 |
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Na1 -.2649 -.13877 -.45721 .0237 .0235 .0197 .0278 .0009 -.0018 -.0024 |
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Na2 .2641 .18015 .03201 .0227 .0240 .0138 .0304 .0001 -.0032 -.0001 |
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Na3 .2376 -.09973 -.10507 .0244 .0222 .0200 .0311 .0009 .0004 .0004 |
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Na4 -.7403 -.05027 -.47259 .0239 .0238 .0197 .0282 .0002 -.0013 .0024 |
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Na5 .7396 .27056 .00744 .0257 .0262 .0153 .0357 -.0013 .0017 -.0007 |
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Na6 .7655 -.01678 -.07289 .0235 .0204 .0148 .0352 .0012 -.0022 -.0014 |
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O1 -.3903 .0523 -.3552 .0213 .017 .016 .031 -.0005 .001 .002 |
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O2 .8905 .2114 -.3339 .0206 .015 .024 .023 -.001 -.0007 .003 |
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O3 -.8926 .0145 -.3598 .0218 .016 .017 .032 -.0005 .000 .000 |
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O4 -.2666 -.0421 -.4412 .0221 .022 .018 .026 -.003 .003 -.004 |
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O5 -.7288 .0710 -.2238 .0253 .030 .024 .022 -.001 .002 -.002 |
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O6 .2126 .1246 -.3727 .0215 .025 .013 .026 .0020 -.003 .0030 |
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O7 .2714 .2782 .0476 .0201 .022 .016 .022 .0005 .004 -.0005 |
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O8 .1160 .1120 -.0762 .0193 .016 .016 .026 -.0004 .001 -.0048 |
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O9 -.1192 -.1455 -.2979 .0220 .018 .016 .031 -.0020 -.001 -.0040 |
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O10 .3921 .2117 -.2798 .0235 .017 .028 .025 -.002 .000 -.006 |
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O11 -.2612 -.0392 -.2650 .0230 .023 .019 .027 .000 .003 .003 |
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O12 -.6216 -.1220 -.2528 .0243 .016 .033 .024 -.002 .001 -.007 |
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O13 -.2426 -.1091 -.1328 .0211 .021 .016 .026 -.001 -.002 -.0011 |
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O14 .6170 .0774 -.0933 .0206 .017 .015 .030 .0004 -.002 .0006 |
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O15 .7363 .1738 -.0072 .0208 .022 .016 .025 .0033 .003 -.0030 |
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O16 -.7489 -.14524 -.4213 .0201 .023 .011 .026 .0043 .000 -.0022 |
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O17 .2387 .00032 -.0838 .0210 .021 .012 .030 -.0031 -.002 .0001 |
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O18 .7768 .1650 -.1833 .0260 .028 .023 .027 .002 -.001 .004 |
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O19 -.7496 -.2257 -.3032 .0280 .028 .021 .035 .002 -.001 .006 |
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