Non-Crystallographic
:
D
5
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Jon Goss
AIMPRO
D
5
E
2
C
5
2
C
5
2
5
C
2
ω
1
= 2 cos(4π/5),ω
2
= 2 cos(2π/5)
A
1
1
1
1
1
x
2
+
y
2
,
z
2
A
2
1
1
1
-1
z
,
I
z
E
1
2
ω
2
ω
1
0
(
x
,
y
), (
I
x
,
I
y
)
(
xy
,
yz
)
E
2
2
ω
1
ω
2
0
(
x
2
-
y
2
,
xy
)
Stereograph
D
5
product tables
Revised:
© University of Newcastle upon Tyne, UK
