Geoscience Reference
In-Depth Information
Compound
Representative
Cell
Parameter
(
˚
)
Rate Earth, Co.
No., Average
Bond Distance
(
˚
)
Tetrahedral
Radical
Form
Rare Earth
Polyhedra
R
4.67
[GeO
4
]
3
O
Dy
4.67
[GeO
4
]
3
O
P6
3
/mz
5
2
Dy
7
2.33
Orthotetrahedra
Framework
a
5
9.200
Dy
9
2.40
R
5
La
Dy
c
5
6.808
H type R(OH)
3
6R
2
.[GeO
4
][O,(OH,F)
2
]
Sm(OH)
3
6Sm
2
[GeO
4
][O,(OH,F)
2
]
P6
3
/mz
5
2
Sm
7
2.51
Orthotetrahedra
Framework
a
5
15.90
Sm
9
2.48
R
Nd
Eu
c
5
6.98
5
R
2
Ge
2
O
7
Er
2
Ge
2
O
7
P4
1
2
1
2 z
5
4
Er
7
2.32
Diorthogroups
Framework
R
5
Tb
Lu
a
5
6.778
c
5
12.34
Sc
2
Ge
2
O
7
C2/mz
5
2
Diorthogroups
Layers from
6-membered
a
5
6.56
b
5
8.690
c
5
4.900
β
5
102.5
R
4
[Ge
3
O
10
] [GeO
4
]
La
4
[Ge
3
O
10
] [GeO
4
]
P1 z
5
4
La
8
2.56
Triorthogroup
Framework
R
5
La
Pr
a
5
12.76
b
5
7.070
c
5
7.006
α
5
90.95
β
5
90.35
γ
5
94.10
R
4
[Ge
3
O
10
] [GeO
4
]
Gd
4
[Ge
3
O
10
] [GeO
4
]
P1 z
5
6
Gd
8
2.48
Triorthogroup
Framework
R
5
Nd
Gd
a
5
18.50
(Continued)