Materials Data on Si3Pb11O17 by Materials Project
Pb11Si3O17 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are twenty-two inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Pb–O bond distances ranging from 2.32–2.38 Å. In the second Pb2+ site, Pb2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Pb–O bond distances ranging from 2.30–3.11 Å. In the third Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Pb–O bond distances ranging from 2.33–2.71 Å. In the fourth Pb2+ site, Pb2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Pb–O bond distances ranging from 2.33–2.99 Å. In the fifth Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.21–2.99 Å. In the sixth Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to three O2- atoms. There are a spread of Pb–O bond distances ranging from 2.21–2.36 Å. In the seventh Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.25–2.81 Å. In the eighth Pb2+ site, Pb2+ is bonded to four O2- atoms to form distorted PbO4 trigonal pyramids that share corners with two SiO4 tetrahedra, a cornercorner with one PbO4 trigonal pyramid, and an edgeedge with one PbO5 square pyramid. There are a spread of Pb–O bond distances ranging from 2.28–2.61 Å. In the ninth Pb2+ site, Pb2+ is bonded to four O2- atoms to form distorted PbO4 trigonal pyramids that share a cornercorner with one SiO4 tetrahedra, corners with two PbO4 trigonal pyramids, and an edgeedge with one PbO5 square pyramid. There are a spread of Pb–O bond distances ranging from 2.32–2.43 Å. In the tenth Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.25–2.66 Å. In the eleventh Pb2+ site, Pb2+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are one shorter (2.24 Å) and two longer (2.27 Å) Pb–O bond lengths. In the twelfth Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Pb–O bond distances ranging from 2.27–2.78 Å. In the thirteenth Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.29–2.89 Å. In the fourteenth Pb2+ site, Pb2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Pb–O bond distances ranging from 2.30–3.16 Å. In the fifteenth Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.23–3.10 Å. In the sixteenth Pb2+ site, Pb2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Pb–O bond distances ranging from 2.31–3.15 Å. In the seventeenth Pb2+ site, Pb2+ is bonded to four O2- atoms to form distorted PbO4 trigonal pyramids that share corners with two SiO4 tetrahedra and a cornercorner with one PbO4 trigonal pyramid. There are a spread of Pb–O bond distances ranging from 2.29–2.52 Å. In the eighteenth Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.24–3.14 Å. In the nineteenth Pb2+ site, Pb2+ is bonded to five O2- atoms to form distorted PbO5 square pyramids that share corners with three SiO4 tetrahedra and edges with two PbO4 trigonal pyramids. There are a spread of Pb–O bond distances ranging from 2.26–2.73 Å. In the twentieth Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Pb–O bond distances ranging from 2.27–2.57 Å. In the twenty-first Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.20–3.09 Å. In the twenty-second Pb2+ site, Pb2+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Pb–O bond distances ranging from 2.23–2.29 Å. There are six inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one PbO5 square pyramid, a cornercorner with one SiO4 tetrahedra, and a cornercorner with one PbO4 trigonal pyramid. There are a spread of Si–O bond distances ranging from 1.65–1.67 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form corner-sharing SiO4 tetrahedra. There is three shorter (1.65 Å) and one longer (1.67 Å) Si–O bond length. In the third Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one PbO4 trigonal pyramid. There are a spread of Si–O bond distances ranging from 1.65–1.67 Å. In the fourth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one PbO5 square pyramid and a cornercorner with one PbO4 trigonal pyramid. There are a spread of Si–O bond distances ranging from 1.63–1.68 Å. In the fifth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one SiO4 tetrahedra and a cornercorner with one PbO4 trigonal pyramid. There is two shorter (1.65 Å) and two longer (1.66 Å) Si–O bond length. In the sixth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one PbO5 square pyramid, a cornercorner with one SiO4 tetrahedra, and a cornercorner with one PbO4 trigonal pyramid. There are a spread of Si–O bond distances ranging from 1.65–1.67 Å. There are thirty-four inequivalent O2- sites. In the first O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the second O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Si4+ atoms. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to two Pb2+ and one Si4+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one Si4+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Si4+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two Pb2+ and one Si4+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one Si4+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one Si4+ atom. In the tenth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the eleventh O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the twelfth O2- site, O2- is bonded in a 3-coordinate geometry to four Pb2+ atoms. In the thirteenth O2- site, O2- is bonded to four Pb2+ atoms to form edge-sharing OPb4 tetrahedra. In the fourteenth O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one Si4+ atom. In the fifteenth O2- site, O2- is bonded in a distorted single-bond geometry to four Pb2+ and one Si4+ atom. In the sixteenth O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one Si4+ atom. In the seventeenth O2- site, O2- is bonded in a 1-coordinate geometry to two Pb2+ and one Si4+ atom. In the eighteenth O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one Si4+ atom. In the nineteenth O2- site, O2- is bonded in a distorted single-bond geometry to two Pb2+ and one Si4+ atom. In the twentieth O2- site, O2- is bonded in a 1-coordinate geometry to two Pb2+ and one Si4+ atom. In the twenty-first O2- site, O2- is bonded in a distorted single-bond geometry to two Pb2+ and one Si4+ atom. In the twenty-second O2- site, O2- is bonded to four Pb2+ atoms to form distorted edge-sharing OPb4 tetrahedra. In the twenty-third O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the twenty-fourth O2- site, O2- is bonded in a 3-coordinate geometry to four Pb2+ atoms. In the twenty-fifth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the twenty-sixth O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one Si4+ atom. In the twenty-seventh O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one Si4+ atom. In the twenty-eighth O2- site, O2- is bonded in a linear geometry to two Si4+ atoms. In the twenty-ninth O2- site, O2- is bonded in a distorted single-bond geometry to two Pb2+ and one Si4+ atom. In the thirtieth O2- site, O2- is bonded in a distorted single-bond geometry to two Pb2+ and one Si4+ atom. In the thirty-first O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Si4+ atom. In the thirty-second O2- site, O2- is bonded in a 1-coordinate geometry to two Pb2+ and one Si4+ atom. In the thirty-third O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the thirty-fourth O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra.