I53b_2


	Vertex Coordinates

Class A
	radius:   1.0
	even permutations of ( ±sqrt( (5 + sqrt(5)) / 10 ),  ±sqrt( (5 - sqrt(5)) / 10 ),  0 )

A01:	 0.85065080835203993218	 0.52573111211913360603	 0.00000000000000000000
A02:	 0.85065080835203993218	-0.52573111211913360603	 0.00000000000000000000
A03:	-0.85065080835203993218	 0.52573111211913360603	 0.00000000000000000000
A04:	-0.85065080835203993218	-0.52573111211913360603	 0.00000000000000000000
A05:	 0.00000000000000000000	 0.85065080835203993218	 0.52573111211913360603
A06:	 0.00000000000000000000	 0.85065080835203993218	-0.52573111211913360603
A07:	 0.00000000000000000000	-0.85065080835203993218	 0.52573111211913360603
A08:	 0.00000000000000000000	-0.85065080835203993218	-0.52573111211913360603
A09:	 0.52573111211913360603	 0.00000000000000000000	 0.85065080835203993218
A10:	-0.52573111211913360603	 0.00000000000000000000	 0.85065080835203993218
A11:	 0.52573111211913360603	 0.00000000000000000000	-0.85065080835203993218
A12:	-0.52573111211913360603	 0.00000000000000000000	-0.85065080835203993218

Class B
	radius R:   sqrt( (15 - 6 sqrt(5)) / 5 ),  approx. 0.562777422255 
	( ±1 / sqrt(3),  ±1 / sqrt(3),  ±1 / sqrt(3) ) * R
	even permutations of ( ±(sqrt(5) + 1) / 2 sqrt(3),  0,  ±(sqrt(5) - 1) / 2 sqrt(3) ) * R

B01:	 0.32491969623290632616	 0.32491969623290632616	 0.32491969623290632616
B02:	 0.32491969623290632616	 0.32491969623290632616	-0.32491969623290632616
B03:	 0.32491969623290632616	-0.32491969623290632616	 0.32491969623290632616
B04:	 0.32491969623290632616	-0.32491969623290632616	-0.32491969623290632616
B05:	-0.32491969623290632616	 0.32491969623290632616	 0.32491969623290632616
B06:	-0.32491969623290632616	 0.32491969623290632616	-0.32491969623290632616
B07:	-0.32491969623290632616	-0.32491969623290632616	 0.32491969623290632616
B08:	-0.32491969623290632616	-0.32491969623290632616	-0.32491969623290632616
B09:	 0.52573111211913360603	 0.00000000000000000000	 0.20081141588622727987
B10:	 0.52573111211913360603	 0.00000000000000000000	-0.20081141588622727987
B11:	-0.52573111211913360603	 0.00000000000000000000	 0.20081141588622727987
B12:	-0.52573111211913360603	 0.00000000000000000000	-0.20081141588622727987
B13:	 0.20081141588622727987	 0.52573111211913360603	 0.00000000000000000000
B14:	-0.20081141588622727987	 0.52573111211913360603	 0.00000000000000000000
B15:	 0.20081141588622727987	-0.52573111211913360603	 0.00000000000000000000
B16:	-0.20081141588622727987	-0.52573111211913360603	 0.00000000000000000000
B17:	 0.00000000000000000000	 0.20081141588622727987	 0.52573111211913360603
B18:	 0.00000000000000000000	-0.20081141588622727987	 0.52573111211913360603
B19:	 0.00000000000000000000	 0.20081141588622727987	-0.52573111211913360603
B20:	 0.00000000000000000000	-0.20081141588622727987	-0.52573111211913360603


	Face Cycles

Covering Faces
A01  B17  A07  B09  A05  B18  A02  B01  A10  B03  
A01  B03  A08  B10  A09  B15  A11  B09  A07  B04  
A01  B19  A03  B13  A11  B06  A05  B02  A12  B14  
A01  B14  A10  B01  A06  B05  A09  B13  A03  B17  
A01  B04  A12  B02  A02  B20  A06  B10  A08  B19  
A02  B02  A05  B09  A11  B13  A09  B10  A06  B01  
A02  B18  A04  B15  A09  B07  A08  B03  A10  B16  
A02  B16  A12  B04  A07  B08  A11  B15  A04  B20  
A03  B08  A07  B11  A12  B16  A10  B12  A08  B07  
A03  B19  A08  B12  A06  B20  A04  B06  A11  B08  
A03  B07  A09  B05  A04  B18  A05  B11  A07  B17  
A04  B05  A06  B12  A10  B14  A12  B11  A05  B06  


	Face Geometry

Edge length (for unit outer radius)
	sqrt( (10 - 2 sqrt(5)) / 5 ),  approx. 1.051462224238 

Covering face angles
	36.0 degrees
	108.0 degrees

Dihedral angle
	arccos( -1 / sqrt(5) ),  approx. 116.565051177078 degrees