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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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Title
Crystal structure of B-type Tm2 Si2 O7 (= Tm4 (Si3 O10) (Si O4)).
Authors
Hartenbach, I.; Lissner, F.; Schleid, T.
Reference
Zeitschrift fuer Naturforschung, Teil B. (2003)
58
, 925-927
Link
XRef
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Compound
O14 Si4 Tm4
- Tetrathulium silicate catena-trisilicate
[
A2B2X7
] [
aP44
] [
i22
] [
]
Cell
6.5591(5), 6.5904(5), 11.9532(9), 94.361(8), 91.102(8), 92.005(8)
P1- (2)
V=514.77
Remarks
R=0.025000 :
At least one temperature factor is implausible or meaningless but agrees with the value given in the paper.
Atom (site) Oxid.
x, y, z, B, Occupancy
Tm1
(2i)
3
Tm2
(2i)
3
Tm3
(2i)
3
Tm4
(2i)
3
Si1
(2i)
4
Si2
(2i)
4
Si3
(2i)
4
Si4
(2i)
4
O1
(2i)
-2
O2
(2i)
-2
O3
(2i)
-2
O4
(2i)
-2
O5
(2i)
-2
O6
(2i)
-2
O7
(2i)
-2
O8
(2i)
-2
O9
(2i)
-2
O10
(2i)
-2
O11
(2i)
-2
O12
(2i)
-2
O13
(2i)
-2
O14
(2i)
-2
0.45
0.17
0.88
0.00
1
0.38
0.40
0.64
0.00
1
0.12
0.28
0.36
0.00
1
0.17
0.67
0.89
0.00
1
0.34
0.35
0.11
0.00
1
0.98
0.16
0.82
0.00
1
0.87
0.22
0.59
0.00
1
0.35
0.87
0.62
0.00
1
0.14
0.01
0.87
0.05
1
0.11
0.36
0.78
0.00
1
0.79
0.20
0.90
0.00
1
0.90
0.06
0.69
0.00
1
0.08
0.32
0.55
0.00
1
0.72
0.40
0.62
0.00
1
0.21
0.92
0.51
0.00
1
0.21
0.71
0.68
0.00
1
0.54
0.72
0.57
0.00
1
0.42
0.08
0.68
0.00
1
0.26
0.41
0.99
0.00
1
0.15
0.28
0.18
0.00
1
0.50
0.16
0.08
0.00
1
0.49
0.51
0.18
0.00
1
Atom (site) Oxid.
U11, U22, U33, U12, U13, U23
Tm1
(2i)
3
Tm2
(2i)
3
Tm3
(2i)
3
Tm4
(2i)
3
Si1
(2i)
4
Si2
(2i)
4
Si3
(2i)
4
Si4
(2i)
4
O1
(2i)
-2
O2
(2i)
-2
O3
(2i)
-2
O4
(2i)
-2
O5
(2i)
-2
O6
(2i)
-2
O7
(2i)
-2
O8
(2i)
-2
O9
(2i)
-2
O10
(2i)
-2
O11
(2i)
-2
O12
(2i)
-2
O13
(2i)
-2
O14
(2i)
-2
0.00
0.00
0.00
-0.0
0.00
0.00
0.00
0.00
0.00
-0.0
-0.0
0.00
0.00
0.00
0.00
-0.0
0.00
-0.0
0.00
0.00
0.00
-0.0
-0.0
0.00
0.00
0.00
0.00
0.00
-0.0
-0.0
0.00
0.00
0.00
-0.0
0.00
0.00
0.00
0.00
0.00
0.00
-0.0
-0.0
0.00
0.00
0.00
-0.0
0.00
0.00
0.00
0.00
0.01
-0.0
-0.0
0.00
0.00
0.00
0.00
-0.0
-0.0
0.00
0.00
0.00
0.01
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
-0.0
0.00
-0.0
0.00
0.00
0.01
0.00
0.00
0.00
0.00
0.00
0.00
0.00
-0.0
-0.0
0.00
0.00
0.01
-0.0
-0.0
-0.0
0.00
0.00
0.01
0.00
0.00
-0.0
0.00
0.00
0.00
-0.0
0.00
-0.0
0.01
0.00
0.00
0.00
-0.0
0.00
0.00
0.01
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
-0.0
-0.0
0.00
0.00
0.00
-0.0
0.00
0.00
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