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modified on 17 March 2011 at 17:16 ••• 2,705 views

# Pmmn

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```group number                 = 59
group name                   =       Pmmn
crystal system               = Orthorhombic
setting number               = 1
number of symmetry operators = 8

+x,+y,+z
-x,-y,+z
-x+1/2,+y+1/2,-z
+x+1/2,-y+1/2,-z
-x+1/2,-y+1/2,-z
+x+1/2,+y+1/2,-z
+x,-y,+z
-x,+y,+z

= operator 1 =
1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 1.0 0.0

= operator 2 =
-1.0 0.0 0.0 0.0
0.0 -1.0 0.0 0.0
0.0 0.0 1.0 0.0

= operator 3 =
-1.0 0.0 0.0 0.5
0.0 1.0 0.0 0.5
0.0 0.0 -1.0 0.0

= operator 4 =
1.0 0.0 0.0 0.5
0.0 -1.0 0.0 0.5
0.0 0.0 -1.0 0.0

= operator 5 =
-1.0 0.0 0.0 0.5
0.0 -1.0 0.0 0.5
0.0 0.0 -1.0 0.0

= operator 6 =
1.0 0.0 0.0 0.5
0.0 1.0 0.0 0.5
0.0 0.0 -1.0 0.0

= operator 7 =
1.0 0.0 0.0 0.0
0.0 -1.0 0.0 0.0
0.0 0.0 1.0 0.0

= operator 8 =
-1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 1.0 0.0
```
```group number                 = 59
group name                   =       Pmmn
crystal system               = Orthorhombic
setting number               = 2
number of symmetry operators = 8

+x,+y,+z
-x+1/2,-y+1/2,+z
-x,+y+1/2,-z
+x+1/2,-y,-z
-x,-y,-z
+x+1/2,+y+1/2,-z
+x,-y+1/2,+z
-x+1/2,+y,+z

= operator 1 =
1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.0
0.0 0.0 1.0 0.0

= operator 2 =
-1.0 0.0 0.0 0.5
0.0 -1.0 0.0 0.5
0.0 0.0 1.0 0.0

= operator 3 =
-1.0 0.0 0.0 0.0
0.0 1.0 0.0 0.5
0.0 0.0 -1.0 0.0

= operator 4 =
1.0 0.0 0.0 0.5
0.0 -1.0 0.0 0.0
0.0 0.0 -1.0 0.0

= operator 5 =
-1.0 0.0 0.0 0.0
0.0 -1.0 0.0 0.0
0.0 0.0 -1.0 0.0

= operator 6 =
1.0 0.0 0.0 0.5
0.0 1.0 0.0 0.5
0.0 0.0 -1.0 0.0

= operator 7 =
1.0 0.0 0.0 0.0
0.0 -1.0 0.0 0.5
0.0 0.0 1.0 0.0

= operator 8 =
-1.0 0.0 0.0 0.5
0.0 1.0 0.0 0.0
0.0 0.0 1.0 0.0
```