KAlSi2 crystallizes in the tetragonal I4_1/acd space group. K(1) is bonded in a 9-coordinate geometry to three equivalent Al(1) and six equivalent Si(1) atoms. Al(1) is bonded in a 7-coordinate geometry to three equivalent K(1) and four equivalent Si(1) atoms. Si(1) is bonded in a 7-coordinate geometry to three equivalent K(1), two equivalent Al(1), and two equivalent Si(1) atoms.
KAlSi2 crystallizes in the tetragonal I4_1/acd space group. K(1) is bonded in a 9-coordinate geometry to three equivalent Al(1) and six equivalent Si(1) atoms. There are two shorter (3.28 Å) and one longer (3.33 Å) K(1)-Al(1) bond length. There are two shorter (3.29 Å) and four longer (3.32 Å) K(1)-Si(1) bond lengths. Al(1) is bonded in a 7-coordinate geometry to three equivalent K(1) and four equivalent Si(1) atoms. There are two shorter (2.60 Å) and two longer (2.61 Å) Al(1)-Si(1) bond lengths. Si(1) is bonded in a 7-coordinate geometry to three equivalent K(1), two equivalent Al(1), and two equivalent Si(1) atoms. Both Si(1)-Si(1) bond lengths are 2.47 Å.