########################################Surface sites location Naming########################################
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System version 120: u=(1 0 0) v=(-1/2 1/2*sqrt(3) 0) uv_angle = 120 degrees; (In Use)
Coordinates in the unit cell:
U:		V:		Name:
0.0000		 0.0000		Top
0.5000		 0.0000		Bridge
0.1667		-0.1667		TtF
0.3333		 0.1667		TtH
0.3333		-0.3333		FCC
0.6667		 0.3333		HCP
0.1667  	 0.0000		t
0.5000		 0.1667 	e
0.3333		 0.0000 	eta
0.3333		-0.1667 	e'
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System version 60: u=(1 0 0) v=(1/2 1/2*sqrt(3) 0) uv_angle = 60 degrees; (NOT In Use)
Coordinates in the unit cell:
U:		V:		Name:	
0.0000	 	 0.0000		Top
0.5000  	 0.0000		Bridge	
0.3333		-0.1667		TtF
0.1667		 0.1667		TtH
0.6667		 0.3333		FCC
0.3333		 0.3333		HCP
0.1667		 0.0000		t
0.3333		 0.1667		e
0.3333		 0.0000		eta
0.5000		-0.1667		e'
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Theta Descriptor:
Theta:		Letter:		Description:
00.0		N		Normal to the surface
45.0		T		Tilted above the surface, or Diagonal on the surface (half Normal half paralel)
90.0		P		Paralel to the surface
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Phi Descriptor: 
Phi:		Number:		Description: 			Phi = N * 30 degrees
000.0		+0		Treat as 0 degrees 		N=0
030.0		+1		Treat as +30 degrees		N=1
060.0		+2		Treat as +60 degrees		N=2
090.0		+3		Treat as +90 degrees		N=3
120.0		+4		Treat as +120 degrees		N=4
150.0		+5		Treat as +150 degrees		N=5
180.0		-0		Treat as -180/+180/0 degrees	N=-6/N=0
210.0		-5		Treat as -150 degrees		N=-5
240.0		-4		Treat as -120 degrees		N=-4
270.0		-3		Treat as -90 degrees		N=-3
300.0		-2		Treat as -60 degrees		N=-2
330.0		-1		Treat as -30 degrees		N=-1
360.0		+0		Treat as 0 degrees		N=0
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Examples (All PES cuts):
Location:				"Colloquial" Location
U=0; v=0; t=0; p=0			Top N+0
U=0; v=0; t=90; p=0			Top P+0
U=0; v=0; t=90; p=30			Top P+1
U=0.5; v=0; t=0; p=0			Bridge N+0
U=0.5; v=0; t=90; p=0			Bridge P+0
U=0.5; v=0; t=90; p=60			Bridge P+2
U=0.5; v=0; t=90; p=90			Bridge P+3
U=0.16667; v=-0.16667; t=0; p=0		TtF N+0
U=0.16667; v=-0.16667; t=45; p=150	TtF T+5
U=0.16667; v=-0.16667; t=45; p=240	TtF T-4
U=0.16667; v=-0.16667; t=45; p=330	TtF T-1
U=0.16667; v=-0.16667; t=90; p=240	TtF P-4
U=0.16667; v=-0.16667; t=90; p=330	TtF P-1
U=0.333333; v=0.16667; t=0; p=0		TtH N+0
U=0.333333; v=0.16667; t=45; p=30	TtH T+1
U=0.333333; v=0.16667; t=45; p=120	TtH T+4
U=0.333333; v=0.16667; t=45; p=210	TtH T-5
U=0.333333; v=0.16667; t=90; p=30	TtH P+1
U=0.333333; v=0.16667; t=90; p=120	TtH P+4
U=0.333333; v=-0.333333; t=0; p=0	FCC N+0
U=0.333333; v=-0.333333; t=45; p=150	FCC T+4
U=0.333333; v=-0.333333; t=45; p=330	FCC T-1
U=0.333333; v=-0.333333; t=90; p=0	FCC P+0
U=0.333333; v=-0.333333; t=90; p=330	FCC P-1
U=0.6666667; v=0.333333; t=0; p=0	HCP N+0
U=0.6666667; v=0.333333; t=45 p=30	HCP T+1
U=0.6666667; v=0.333333; t=45; p=210	HCP T-5
U=0.6666667; v=0.333333; t=90; p=0	HCP P+0
U=0.6666667; v=0.333333; t=90; p=30	HCP P+1
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