##### LANGUAGES
modified on 17 March 2011 at 17:13 ••• 1,929 views

# Imma

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```group number                 = 74
group name                   =       Imma
crystal system               = Orthorhombic
setting number               = 1
number of symmetry operators = 16

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

= 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 0.5
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 0.0
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 0.0
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 0.0
0.0 1.0 0.0 0.0
0.0 0.0 1.0 0.0

= operator 9 =
1.0 0.0 0.0 0.5
0.0 1.0 0.0 0.5
0.0 0.0 1.0 0.5

= operator 10 =
-1.0 0.0 0.0 0.5
0.0 -1.0 0.0 1.0
0.0 0.0 1.0 0.5

= operator 11 =
-1.0 0.0 0.0 0.5
0.0 1.0 0.0 1.0
0.0 0.0 -1.0 0.5

= operator 12 =
1.0 0.0 0.0 0.5
0.0 -1.0 0.0 0.5
0.0 0.0 -1.0 0.5

= operator 13 =
-1.0 0.0 0.0 0.5
0.0 -1.0 0.0 0.5
0.0 0.0 -1.0 0.5

= operator 14 =
1.0 0.0 0.0 0.5
0.0 1.0 0.0 1.0
0.0 0.0 -1.0 0.5

= operator 15 =
1.0 0.0 0.0 0.5
0.0 -1.0 0.0 1.0
0.0 0.0 1.0 0.5

= operator 16 =
-1.0 0.0 0.0 0.5
0.0 1.0 0.0 0.5
0.0 0.0 1.0 0.5
```