Department of Chemistry, Taiyuan Teachers'College, Taiyuan 030001, Shanxi;
Institute of Materials Science and Department of Chemistry, Xinzhou Teachers' University, Xinzhou 034000, Shanxi;
Institute of Materials Science and Department of Chemistry, Xinzhou Teachers' University, Xinzhou 034000, Shanxi;
boron sulfides; density functional theory; geometries; electronic structures; electron detachment energies; photoelectron spectroscopy;