K2Pb2Si2O crystallizes in the hexagonal P6/mmm space group. K(1) is bonded to two equivalent Pb(1) and three equivalent O(1) atoms to form a mixture of distorted corner and edge-sharing KPb2O3 trigonal bipyramids. Pb(1) is bonded in a distorted linear geometry to two equivalent K(1) atoms. Si(1) is bonded in a single-bond geometry to one O(1) atom. O(1) is bonded in a linear geometry to six equivalent K(1) and two equivalent Si(1) atoms.
K2Pb2Si2O crystallizes in the hexagonal P6/mmm space group. K(1) is bonded to two equivalent Pb(1) and three equivalent O(1) atoms to form a mixture of distorted corner and edge-sharing KPb2O3 trigonal bipyramids. Both K(1)-Pb(1) bond lengths are 3.36 Å. All K(1)-O(1) bond lengths are 3.20 Å. Pb(1) is bonded in a distorted linear geometry to two equivalent K(1) atoms. Si(1) is bonded in a single-bond geometry to one O(1) atom. The Si(1)-O(1) bond length is 1.79 Å. O(1) is bonded in a linear geometry to six equivalent K(1) and two equivalent Si(1) atoms.