TbMnSi crystallizes in the orthorhombic Pnma space group. Tb(1) is bonded in a 11-coordinate geometry to six equivalent Mn(1) and five equivalent Si(1) atoms. Mn(1) is bonded in a 4-coordinate geometry to six equivalent Tb(1) and four equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to five equivalent Tb(1) and four equivalent Mn(1) atoms.
TbMnSi crystallizes in the orthorhombic Pnma space group. Tb(1) is bonded in a 11-coordinate geometry to six equivalent Mn(1) and five equivalent Si(1) atoms. There are a spread of Tb(1)-Mn(1) bond distances ranging from 2.97-3.38 Å. There are a spread of Tb(1)-Si(1) bond distances ranging from 2.95-3.00 Å. Mn(1) is bonded in a 4-coordinate geometry to six equivalent Tb(1) and four equivalent Si(1) atoms. There are a spread of Mn(1)-Si(1) bond distances ranging from 2.47-2.73 Å. Si(1) is bonded in a 9-coordinate geometry to five equivalent Tb(1) and four equivalent Mn(1) atoms.