modified on 17 March 2011 at 18:17 ••• 1,665 views

P3 221

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group number                 = 154
group name                   =     P3_221
crystal system               = Trigonal
setting number               = 1
number of symmetry operators = 6

+x,+y,+z
-y,+x-y,+z+2/3
-x+y,-x,+z+1/3
+y,+x,-z
+x-y,-y,-z+1/3
-x,-x+y,-z+2/3

= 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 =
 0.0 -1.0 0.0 0.0
 1.0 -1.0 0.0 0.0
 0.0 0.0 1.0 0.666666666667

= operator 3 =
 -1.0 1.0 0.0 0.0
 -1.0 0.0 0.0 0.0
 0.0 0.0 1.0 0.333333333333

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

= operator 5 =
 1.0 -1.0 0.0 0.0
 0.0 -1.0 0.0 0.0
 0.0 0.0 -1.0 0.333333333333

= operator 6 =
 -1.0 0.0 0.0 0.0
 -1.0 1.0 0.0 0.0
 0.0 0.0 -1.0 0.666666666667