Geoscience Reference
In-Depth Information
Compound
Representative
Cell
Parameter
(
˚
)
Rate Earth, Co.
No., Average
Bond Distance
(
˚
)
Tetrahedral
Radical
Form
Rare Earth
Polyhedra
b
5
6.800
c
5
6.858
α
5
87.88
β
5
91.60
γ
5
94.55
R
2
Ge
2
O
7
R
5
Sc, Yb
Cubic
Octahedral
framework
Framework
a
5
9.81
R
4
Ge
3
O
9
(OH)
6
Sm
4
Ge
3
O
9
(OH)
6
Cmcm z
5
4
Sm
7
2.30
Chains from
octahedral
Framework
a
5
15.195
Sm
8
2.39
R
5
Sm, Er
Lu
b
5
10.909
Connected with
orthotetrahedral
c
5
7.161
Co. No.
5
Coordination number.
