Rb2SiAs2 crystallizes in the orthorhombic Ibam space group. Rb(1) is bonded in a 8-coordinate geometry to two equivalent Si(1) and six equivalent As(1) atoms. Si(1) is bonded in a 4-coordinate geometry to four equivalent Rb(1) and four equivalent As(1) atoms. As(1) is bonded in a 8-coordinate geometry to six equivalent Rb(1) and two equivalent Si(1) atoms.
Rb2SiAs2 crystallizes in the orthorhombic Ibam space group. Rb(1) is bonded in a 8-coordinate geometry to two equivalent Si(1) and six equivalent As(1) atoms. Both Rb(1)-Si(1) bond lengths are 3.55 Å. There are a spread of Rb(1)-As(1) bond distances ranging from 3.52-3.75 Å. Si(1) is bonded in a 4-coordinate geometry to four equivalent Rb(1) and four equivalent As(1) atoms. All Si(1)-As(1) bond lengths are 2.39 Å. As(1) is bonded in a 8-coordinate geometry to six equivalent Rb(1) and two equivalent Si(1) atoms.