Orthorhombic Space Groups
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16.
P
2 2 2
17.
P
2 2 2
1
P
2 2
1
2
P
2
1
2 2
18.
P
2
1
2
1
2
P
2
1
2 2
1
P
2 2
1
2
1
19.
P
2
1
2
1
2
1
20.
C
2 2 2
1
C
2 2 2
1
B
2 2
1
2
B
2 2
1
2
A
2
1
2 2
A
2
1
2 2
21.
C
2 2 2
B
2 2 2
A
2 2 2
22.
F
2 2 2
23.
I
2 2 2
24.
I
2
1
2
1
2
1
25.
P m m
2
P m
2
m
P
2
m m
26.
P m c
2
1
P c m
2
1
P b
2
1
m
P m
2
1
b
P
2
1
m a
P
2
1
a m
27.
P c c
2
P b
2
b
P
2
a a
28.
P m a
2
P b m
2
P c
2
m
P m
2
a
P
2
m b
P
2
c m
29.
P c a
2
1
P b c
2
1
P c
2
1
b
P b
2
1
a
P
2
1
a b
P
2
1
c a
30.
P n c
2
P c n
2
P b
2
n
P n
2
b
P
2
n a
P
2
a n
31.
P m n
2
1
P n m
2
1
P n
2
1
m
P m
2
1
n
P
2
1
m n
P
2
1
n m
32.
P b a
2
P c
2
a
P
2
c b
33.
P n a
2
1
P b n
2
1
P c
2
1
n
P n
2
1
a
P
2
1
n b
P
2
1
c n
34.
P n n
2
P n
2
n
P
2
n n
35.
C m m
2
B m
2
m
A
2
m m
36.
C m c
2
1
C c m
2
1
B b
2
1
m
B m
2
1
b
A
2
1
m a
A
2
1
a m
37.
C c c
2
B b
2
b
A
2
a a
38.
A m m
2
B m m
2
C m
2
m
A m
2
m
B
2
m m
C
2
m m
39.
A b m
2
B m a
2
C m
2
a
A b
2
m
B
2
a m
C
2
m a
40.
A m a
2
B b m
2
C c
2
m
A m
2
a
B
2
m b
C
2
c m
41.
A b a
2
B b a
2
C c
2
a
A b
2
a
B
2
a b
C
2
c a
42.
F m m
2
43.
F d d
2
F d
2
d
F
2
d d
44.
I m m
2
45.
I b a
2
I b
2
a
I
2
a a
46.
I m a
2
I b m
2
I b
2
m
I m
2
a
I
2
m a
I
2
a m
47.
P m m m
48.
P n n n
49.
P c c m
P b m b
P m a a
50.
P b a n
P b a n
P c n a
P c n a
P n c b
P n c b
51.
P m m a
P m m b
P m c m
P m a m
P b m m
P c m m
52.
P n n a
P n n b
P n c n
P n a n
P b n n
P c n n
53.
P m n a
P n m b
P n c m
P m a n
P b m n
P c n m
54.
P c c a
P c c b
P b c b
P b a b
P b a a
P c a a
55.
P b a m
P c m a
P m c b
56.
P c c n
P b n b
P n a a
57.
P b c m
P c a m
P b m a
P c m b
P m c a
P m a b
58.
P n n m
P n m n
P m n n
59.
P m m n
P m n m
P n m m
60.
P b c n
P c a n
P b n a
P c n b
P n c a
P n a b
61.
P b c a
P c a b
62.
P n m a
P n a m
P m c n
P c m n
P b n m
P m n b
63.
C m c m
C c m m
B b m m
B m m b
A m m a
A m a m
64.
C m c a
C c m a
B b a m
B m a b
A b m a
A b a m
65.
C m m m
66.
C c c m
B b m b
A m a a
67.
C m m a
B m a m
A b m m
68.
C c c a
B b a b
A b a a
69.
F m m m
70.
F d d d
71.
I m m m
72.
I b a m
I b m a
I m a a
73.
I b c a
74.
I m m a
I m a m
I b m m
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Birkbeck College, University of London.