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ICSD for WWW : Details

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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=95334 Help
TitleThe crystal structure of Vicanite-(Ce), a borosilicate showing an unusual (Si3 B3 O18)(15-) polyanion.
AuthorsBallirano, P.;Callegari, A.;Caucia, F.;Maras, A.;Mazzi, F.;Ungaretti, L.
ReferenceAmerican Mineralogist (2002) 87, 1139-1143
Link XRef SCOPUS SCIRUS Google
CompoundH0.42 Al0.177 As1.187 B4 Ca8.01 Ce2.33 F8.749 Fe0.823 La2.21 Na0.583 O38.461 P0.23 Si6 Th2.45 - [Vicanite-(Ce)] Calcium cerium lanthanum thorium iron(III) aluminium sodium silicate borosilicate borate arseno(V)phosphate(V) arsenate(III) fluoride hydrate * [AB2C3D3X30Y112] [hR76] [c4 b16 a8] []
Cell10.8112(2), 10.8112(2), 27.3296(12), 90, 90, 120
R3MH (160) V=2766.38
RemarksR=0.018000 : MIN =Vicanite-(Ce) : MXD =As : DEF
The coordinates are those given in the paper but the atomic distances do not agree with those calculated during testing.The coordinates are probably correct.

Atom (site) Oxid. x, y, z, B, Occupancy
Ce1(9b)3
Ca1(9b)2
La1(9b)3
Ca2(9b)2
Ca3(9b)2
Ce2(9b)3
Ca4(9b)2
Ce3(9b)3
Th1(9b)4
Ca5(9b)2
Fe1(3a)3
Al1(3a)3
Si1(9b)4
Si2(9b)4
B1(9b)3
B2(3a)3
As1(3a)5
P1(3a)5
As2(3a)3
Na1(3a)1
O1(9b)-2
O2(9b)-2
O3(18c)-2
O4(9b)-2
O5(9b)-2
O6(18c)-2
O7(9b)-2
O8(9b)-2
O9(9b)-2
O10(3a)-2
O11(18c)-2
O12(9b)-2
F1(9b)-1
F2(3a)-1
F3(18c)-1
O13(3a)-2
H1(18*)1
0.86812(3)0.13188(3)0.68119(4)0.0096(2)0.751(4)
0.86812(3)0.13188(3)0.68119(4)0.0096(2)0.249(4)
0.86206(3)0.13794(3)0.09655(4)0.0121(2)0.738(4)
0.86206(3)0.13794(3)0.09655(4)0.0121(2)0.262(4)
0.11490(9)0.88510(9)-.09790(7)0.0149(5)0.992(3)
0.11490(9)0.88510(9)-.09790(7)0.0149(5)0.008(3)
0.13025(9)0.86975(9)0.46683(7)0.0151(5)0.983(3)
0.13025(9)0.86975(9)0.46683(7)0.0151(5)0.017(3)
0.14125(2)0.85875(2)0.21736(4)0.0088(1)0.816(2)
0.14125(2)0.85875(2)0.21736(4)0.0088(1)0.184(2)
0.0.0.0.0064(5)0.823(20)
0.0.0.0.0064(5)0.177(20)
0.1692(1)0.8308(1)0.0431(1)0.0087(5)1
0.8299(1)0.1701(1)-0.0404(1)0.0084(5)1
-0.0780(4)0.0780(4)0.2926(3)0.0098(21)1
0.0.0.1467(6)0.0156(36)1
0.0.0.7893(1)0.0088(3)0.773(9)
0.0.0.7893(1)0.0088(3)0.227(9)
0.0.0.5424(1)0.0074(7)0.417(9)
0.0.0.5736(5)0.0238(31)0.583(9)
0.0821(3)-0.0821(3)0.0452(2)0.0111(15)1
0.1867(3)0.8133(3)-0.0149(2)0.0120(16)1
0.3233(4)-0.0680(4)0.0694(2)0.0132(13)1
-0.0837(3)0.0837(3)-0.0490(2)0.0120(15)1
0.8074(3)0.1926(3)0.0170(2)0.0124(15)1
0.6723(5)0.0783(5)-0.0643(2)0.0151(13)1
0.0761(3)-0.0761(3)0.3045(2)0.0089(14)1
-0.0951(3)0.0951(3)0.2389(2)0.0096(14)1
0.0728(3)-0.0728(3)0.1443(2)0.0135(17)1
0.0.0.8509(4)0.0161(24)1
0.1605(9)0.0460(9)0.7668(3)0.0191(31)0.5
-0.0812(3)0.0812(3)0.5078(2)0.0185(17)0.417
-0.0812(3)0.0812(3)0.5078(2)0.0185(17)0.583
0.0.0.6634(5)0.0258(28)1
0.0212(4)0.3058(4)0.8388(2)0.0200(14)1
0.0.0.435(2)0.020(15)0.21(5)
00.07(2)

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