TaRuSi crystallizes in the orthorhombic Ima2 space group. There are three inequivalent Ta sites. In the first Ta site, Ta(1) is bonded in a 11-coordinate geometry to two equivalent Ru(1), four equivalent Ru(2), one Si(1), and four equivalent Si(2) atoms. In the second Ta site, Ta(2) is bonded in a 7-coordinate geometry to two equivalent Ru(1), two equivalent Ru(2), one Si(1), and four equivalent Si(2) atoms. In the third Ta site, Ta(3) is bonded in a 9-coordinate geometry to two equivalent Ru(1), two equivalent Ru(2), one Si(1), and four equivalent Si(2) atoms. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded in a 12-coordinate geometry to two equivalent Ta(1), two equivalent Ta(2), two equivalent Ta(3), two equivalent Ru(2), two equivalent Si(1), and two equivalent Si(2) atoms. In the second Ru site, Ru(2) is bonded in a 8-coordinate geometry to one Ta(2), one Ta(3), two equivalent Ta(1), one Ru(1), two equivalent Si(1), and two equivalent Si(2) atoms. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to one Ta(1), one Ta(2), one Ta(3), two equivalent Ru(1), and four equivalent Ru(2) atoms. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to two equivalent Ta(1), two equivalent Ta(2), two equivalent Ta(3), one Ru(1), and two equivalent Ru(2) atoms.
TaRuSi crystallizes in the orthorhombic Ima2 space group. There are three inequivalent Ta sites. In the first Ta site, Ta(1) is bonded in a 11-coordinate geometry to two equivalent Ru(1), four equivalent Ru(2), one Si(1), and four equivalent Si(2) atoms. Both Ta(1)-Ru(1) bond lengths are 2.86 Å. There are two shorter (2.77 Å) and two longer (2.78 Å) Ta(1)-Ru(2) bond lengths. The Ta(1)-Si(1) bond length is 2.84 Å. There are two shorter (2.64 Å) and two longer (2.70 Å) Ta(1)-Si(2) bond lengths. In the second Ta site, Ta(2) is bonded in a 7-coordinate geometry to two equivalent Ru(1), two equivalent Ru(2), one Si(1), and four equivalent Si(2) atoms. Both Ta(2)-Ru(1) bond lengths are 3.05 Å. Both Ta(2)-Ru(2) bond lengths are 2.88 Å. The Ta(2)-Si(1) bond length is 2.57 Å. All Ta(2)-Si(2) bond lengths are 2.65 Å. In the third Ta site, Ta(3) is bonded in a 9-coordinate geometry to two equivalent Ru(1), two equivalent Ru(2), one Si(1), and four equivalent Si(2) atoms. Both Ta(3)-Ru(1) bond lengths are 2.82 Å. Both Ta(3)-Ru(2) bond lengths are 2.84 Å. The Ta(3)-Si(1) bond length is 2.71 Å. There are two shorter (2.64 Å) and two longer (2.66 Å) Ta(3)-Si(2) bond lengths. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded in a 12-coordinate geometry to two equivalent Ta(1), two equivalent Ta(2), two equivalent Ta(3), two equivalent Ru(2), two equivalent Si(1), and two equivalent Si(2) atoms. Both Ru(1)-Ru(2) bond lengths are 2.79 Å. Both Ru(1)-Si(1) bond lengths are 2.46 Å. Both Ru(1)-Si(2) bond lengths are 2.48 Å. In the second Ru site, Ru(2) is bonded in a 8-coordinate geometry to one Ta(2), one Ta(3), two equivalent Ta(1), one Ru(1), two equivalent Si(1), and two equivalent Si(2) atoms. There is one shorter (2.44 Å) and one longer (2.45 Å) Ru(2)-Si(1) bond length. There is one shorter (2.47 Å) and one longer (2.48 Å) Ru(2)-Si(2) bond length. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to one Ta(1), one Ta(2), one Ta(3), two equivalent Ru(1), and four equivalent Ru(2) atoms. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to two equivalent Ta(1), two equivalent Ta(2), two equivalent Ta(3), one Ru(1), and two equivalent Ru(2) atoms.