Acronym  ... 
Name  2tic (?) 
Circumradius  sqrt[7+4 sqrt(2)]/2 = 1.778824 
Vertex figure  2[6/2,8,8] 
Snub derivation 

Coordinates  ((1+sqrt(2))/2, (1+sqrt(2))/2, 1/2) & all permutations, all changes of sign 
General of army  tic 
Colonel of regiment  tic 
Confer 

Looks like a compound of 2 truncated cubes (tic), and indeed vertices, edges, and {8} all coincide by pairs.
Incidence matrix according to Dynkin symbol
x3/2x4x4*a . . .  48  1 1 1  1 1 1 +++ x . .  2  24 * *  1 1 0 . x .  2  * 24 *  1 0 1 . . x  2  * * 24  0 1 1 +++ x3/2x .  6  3 3 0  8 * * x . x4*a  8  4 0 4  * 6 * . x4x  8  0 4 4  * * 6
β3x4x both( . . . )  48  1 1 1  1 1 1 +++ both( . x . )  2  24 * *  1 1 0 both( . . x )  2  * 24 *  0 1 1 sefa( β3x . )  2  * * 24  1 0 1 +++ β3x . ♦ 6  3 0 3  8 * * both( . x4x )  8  4 4 0  * 6 * sefa( β3x4x )  8  0 4 4  * * 6 starting figure: x3x4x
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