Materials Data on B8P by Materials Project
B8P crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are sixteen inequivalent B sites. In the first B site, B is bonded in a 1-coordinate geometry to five B and one P atom. There are a spread of B–B bond distances ranging from 1.73–1.81 Å. The B–P bond length is 1.87 Å. In the second B site, B is bonded in a 1-coordinate geometry to five B and one P atom. There are a spread of B–B bond distances ranging from 1.73–1.81 Å. The B–P bond length is 1.90 Å. In the third B site, B is bonded in a 1-coordinate geometry to five B and one P atom. There are a spread of B–B bond distances ranging from 1.73–1.81 Å. The B–P bond length is 1.85 Å. In the fourth B site, B is bonded in a 1-coordinate geometry to five B and one P atom. There are a spread of B–B bond distances ranging from 1.74–1.81 Å. The B–P bond length is 1.90 Å. In the fifth B site, B is bonded in a 5-coordinate geometry to five B atoms. There are a spread of B–B bond distances ranging from 1.76–1.79 Å. In the sixth B site, B is bonded in a 1-coordinate geometry to five B and one P atom. There are a spread of B–B bond distances ranging from 1.77–1.81 Å. The B–P bond length is 1.90 Å. In the seventh B site, B is bonded in a 5-coordinate geometry to five B atoms. All B–B bond lengths are 1.78 Å. In the eighth B site, B is bonded in a 1-coordinate geometry to five B and one P atom. There is two shorter (1.79 Å) and one longer (1.82 Å) B–B bond length. The B–P bond length is 1.92 Å. In the ninth B site, B is bonded in a 6-coordinate geometry to six B atoms. There are a spread of B–B bond distances ranging from 1.73–1.86 Å. In the tenth B site, B is bonded in a 6-coordinate geometry to six B atoms. There are a spread of B–B bond distances ranging from 1.74–1.89 Å. In the eleventh B site, B is bonded in a 6-coordinate geometry to six B atoms. The B–B bond length is 1.71 Å. In the twelfth B site, B is bonded in a 6-coordinate geometry to six B atoms. The B–B bond length is 1.75 Å. In the thirteenth B site, B is bonded in a 6-coordinate geometry to six B atoms. There is one shorter (1.86 Å) and one longer (1.91 Å) B–B bond length. In the fourteenth B site, B is bonded in a 6-coordinate geometry to six B atoms. There is one shorter (1.86 Å) and one longer (1.89 Å) B–B bond length. In the fifteenth B site, B is bonded in a 6-coordinate geometry to six B atoms. In the sixteenth B site, B is bonded in a 6-coordinate geometry to six B atoms. There are three inequivalent P sites. In the first P site, P is bonded in a distorted tetrahedral geometry to three B and one P atom. The P–P bond length is 2.25 Å. In the second P site, P is bonded in a trigonal non-coplanar geometry to three B atoms. In the third P site, P is bonded in a distorted tetrahedral geometry to three B and one P atom.