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ICSD for WWW : Details

ICSD for WWW

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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
***Click the ANX, Pearson or Wyckoff Symbol to find structures with that symbol***.
CC=77424 Help
TitleThe high-pressure crystal chemistry of low albite and the origin of the pressure dependency of Al-Si ordering.
AuthorsDowns, R.T.;Hazen, R.M.;Finger, L.W.
ReferenceAmerican Mineralogist (1994) 79, 1042-1052
Link XRef SCOPUS SCIRUS Google
CompoundAl1 Na1 O8 Si3 - [Albite low] Sodium tecto-alumotrisilicate [ABC3X8] [aP26] [i13] []
Cell7.9567(21), 12.6784(10), 7.0897(37), 94.217(21), 116.992(24), 88.025(15)
C1- (2) V=635.56
RemarksR=0.065000 : PRE =2680 : MIN =Albite low :
Mean T-O: 1.730, 1.589, 1.622, 1.613

Atom (site) Oxid. x, y, z, B, Occupancy
Al1(4i)3
Si2(4i)4
Si3(4i)4
Si4(4i)4
Na1(4i)1
O1(4i)-2
O2(4i)-2
O3(4i)-2
O4(4i)-2
O5(4i)-2
O6(4i)-2
O7(4i)-2
O8(4i)-2
0.0058(6)0.1664(2)0.2065(13)0.60(5)1
-.0003(6)0.8206(2)0.2361(13)0.54(5)1
0.6873(8)0.1085(2)0.3114(16)0.49(5)1
0.6716(9)0.8802(2)0.3599(20)0.48(5)1
0.2587(9)0.9930(4)0.1392(21)3.8(7)1
0.0073(15)0.1292(5)0.9674(32)0.90(12)1
0.5810(12)0.9964(4)0.2824(26)0.68(11)1
0.8079(14)0.1020(5)0.1840(30)0.99(12)1
0.8116(14)0.8492(5)0.2550(30)1.27(13)1
-.0007(14)0.3002(5)0.2722(31)0.88(11)1
0.0193(14)0.6935(4)0.2240(30)0.78(11)1
0.2114(23)0.1103(5)0.3863(47)1.32(18)1
0.1782(22)0.8681(6)0.4291(44)1.59(15)1
Atom (site) Oxid. Beta11, Beta22, Beta33, Beta12, Beta13, Beta23
Al1(4i)3
Si2(4i)4
Si3(4i)4
Si4(4i)4
Na1(4i)1
O1(4i)-2
O2(4i)-2
O3(4i)-2
O4(4i)-2
O5(4i)-2
O6(4i)-2
O7(4i)-2
O8(4i)-2
000000
000000
000000
000000
0.0104(24)0.0048(3)0.043(14)-.0001(6)0.0160(59)-.0044(14)
000000
000000
000000
000000
000000
000000
000000
000000

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