I22c_1 Vertex Coordinates Class A radius: 1.0 permutations of ( ±1, 0, 0 ) even permutations of ( ±(sqrt(5) + 1) / 4, ±(sqrt(5) - 1) / 4, ±1 / 2 ) A01: 1.00000000000000000000 0.00000000000000000000 0.00000000000000000000 A02: -1.00000000000000000000 0.00000000000000000000 0.00000000000000000000 A03: 0.00000000000000000000 1.00000000000000000000 0.00000000000000000000 A04: 0.00000000000000000000 -1.00000000000000000000 0.00000000000000000000 A05: 0.00000000000000000000 0.00000000000000000000 1.00000000000000000000 A06: 0.00000000000000000000 0.00000000000000000000 -1.00000000000000000000 A07: 0.80901699437494742410 0.30901699437494742410 0.50000000000000000000 A08: 0.80901699437494742410 -0.30901699437494742410 0.50000000000000000000 A09: 0.80901699437494742410 0.30901699437494742410 -0.50000000000000000000 A10: 0.80901699437494742410 -0.30901699437494742410 -0.50000000000000000000 A11: -0.80901699437494742410 0.30901699437494742410 0.50000000000000000000 A12: -0.80901699437494742410 -0.30901699437494742410 0.50000000000000000000 A13: -0.80901699437494742410 0.30901699437494742410 -0.50000000000000000000 A14: -0.80901699437494742410 -0.30901699437494742410 -0.50000000000000000000 A15: 0.50000000000000000000 0.80901699437494742410 0.30901699437494742410 A16: 0.50000000000000000000 0.80901699437494742410 -0.30901699437494742410 A17: -0.50000000000000000000 0.80901699437494742410 0.30901699437494742410 A18: -0.50000000000000000000 0.80901699437494742410 -0.30901699437494742410 A19: 0.50000000000000000000 -0.80901699437494742410 0.30901699437494742410 A20: 0.50000000000000000000 -0.80901699437494742410 -0.30901699437494742410 A21: -0.50000000000000000000 -0.80901699437494742410 0.30901699437494742410 A22: -0.50000000000000000000 -0.80901699437494742410 -0.30901699437494742410 A23: 0.30901699437494742410 0.50000000000000000000 0.80901699437494742410 A24: -0.30901699437494742410 0.50000000000000000000 0.80901699437494742410 A25: 0.30901699437494742410 -0.50000000000000000000 0.80901699437494742410 A26: -0.30901699437494742410 -0.50000000000000000000 0.80901699437494742410 A27: 0.30901699437494742410 0.50000000000000000000 -0.80901699437494742410 A28: -0.30901699437494742410 0.50000000000000000000 -0.80901699437494742410 A29: 0.30901699437494742410 -0.50000000000000000000 -0.80901699437494742410 A30: -0.30901699437494742410 -0.50000000000000000000 -0.80901699437494742410 Class B radius R: (sqrt(5) - 1) / 2, approx. 0.618033988750 permutations of ( ±1, 0, 0 ) * R even permutations of ( ±(sqrt(5) + 1) / 4, ±(sqrt(5) - 1) / 4, ±1 / 2 ) * R B01: 0.61803398874989484820 0.00000000000000000000 0.00000000000000000000 B02: -0.61803398874989484820 0.00000000000000000000 0.00000000000000000000 B03: 0.00000000000000000000 0.61803398874989484820 0.00000000000000000000 B04: 0.00000000000000000000 -0.61803398874989484820 0.00000000000000000000 B05: 0.00000000000000000000 0.00000000000000000000 0.61803398874989484820 B06: 0.00000000000000000000 0.00000000000000000000 -0.61803398874989484820 B07: 0.50000000000000000000 0.19098300562505257590 0.30901699437494742410 B08: 0.50000000000000000000 -0.19098300562505257590 0.30901699437494742410 B09: 0.50000000000000000000 0.19098300562505257590 -0.30901699437494742410 B10: 0.50000000000000000000 -0.19098300562505257590 -0.30901699437494742410 B11: -0.50000000000000000000 0.19098300562505257590 0.30901699437494742410 B12: -0.50000000000000000000 -0.19098300562505257590 0.30901699437494742410 B13: -0.50000000000000000000 0.19098300562505257590 -0.30901699437494742410 B14: -0.50000000000000000000 -0.19098300562505257590 -0.30901699437494742410 B15: 0.30901699437494742410 0.50000000000000000000 0.19098300562505257590 B16: 0.30901699437494742410 0.50000000000000000000 -0.19098300562505257590 B17: -0.30901699437494742410 0.50000000000000000000 0.19098300562505257590 B18: -0.30901699437494742410 0.50000000000000000000 -0.19098300562505257590 B19: 0.30901699437494742410 -0.50000000000000000000 0.19098300562505257590 B20: 0.30901699437494742410 -0.50000000000000000000 -0.19098300562505257590 B21: -0.30901699437494742410 -0.50000000000000000000 0.19098300562505257590 B22: -0.30901699437494742410 -0.50000000000000000000 -0.19098300562505257590 B23: 0.19098300562505257590 0.30901699437494742410 0.50000000000000000000 B24: -0.19098300562505257590 0.30901699437494742410 0.50000000000000000000 B25: 0.19098300562505257590 -0.30901699437494742410 0.50000000000000000000 B26: -0.19098300562505257590 -0.30901699437494742410 0.50000000000000000000 B27: 0.19098300562505257590 0.30901699437494742410 -0.50000000000000000000 B28: -0.19098300562505257590 0.30901699437494742410 -0.50000000000000000000 B29: 0.19098300562505257590 -0.30901699437494742410 -0.50000000000000000000 B30: -0.19098300562505257590 -0.30901699437494742410 -0.50000000000000000000 Face Cycles Covering Faces A01 B23 A26 B08 A15 B05 A19 B07 A24 B25 A01 B29 A28 B09 A20 B06 A16 B10 A30 B27 A02 B26 A23 B11 A21 B05 A17 B12 A25 B24 A02 B28 A29 B14 A18 B06 A22 B13 A27 B30 A03 B07 A10 B16 A23 B01 A27 B15 A08 B09 A03 B13 A12 B17 A28 B02 A24 B18 A14 B11 A04 B10 A07 B19 A29 B01 A25 B20 A09 B08 A04 B12 A13 B22 A26 B02 A30 B21 A11 B14 A05 B15 A18 B24 A07 B03 A11 B23 A16 B17 A05 B21 A20 B25 A12 B04 A08 B26 A22 B19 A06 B18 A15 B27 A13 B03 A09 B28 A17 B16 A06 B20 A21 B30 A10 B04 A14 B29 A19 B22 Central Faces A01 B29 A14 B11 A23 B01 A29 B14 A11 B23 A01 B27 A13 B12 A25 B01 A27 B13 A12 B25 A02 B26 A08 B09 A28 B02 A26 B08 A09 B28 A02 B24 A07 B10 A30 B02 A24 B07 A10 B30 A03 B13 A22 B19 A07 B03 A13 B22 A19 B07 A03 B11 A21 B20 A09 B03 A11 B21 A20 B09 A04 B10 A16 B17 A12 B04 A10 B16 A17 B12 A04 B08 A15 B18 A14 B04 A08 B15 A18 B14 A05 B21 A30 B27 A15 B05 A21 B30 A27 B15 A05 B19 A29 B28 A17 B05 A19 B29 A28 B17 A06 B18 A24 B25 A20 B06 A18 B24 A25 B20 A06 B16 A23 B26 A22 B06 A16 B23 A26 B22 Face Geometry Edge length (for unit outer radius) 1.0 Covering face angles 36.0 degrees 108.0 degrees Central face angles 72.0 degrees 144.0 degrees Dihedral angle arccos( 1 / sqrt(5) ), approx. 63.434948822922 degrees