Antimonide silicides are mixed anion compounds containing metal cations, and antimonide (Sb−3) and silicide (Si−4) anions. In some compounds, there are covalent bonds between silicon atoms, and the apparent valency is reduced.
List formulacrystal systemspace groupunit cellvolumedensitycommentreferenceTi5Si1.3Sb1.7tetragonalI4/mcma = 10.346, c = 5.152 Z=8metallic conductorV4SiSb2tetragonalI4/mcma = 9.872, c = 4.707, Z = 4V+2 Si−2 Sb−3ZrSb1.93Si0.06orthorhombicPnmaa=7.401 b=3.9898 c=9.610 Z=4283.87.692Zr5Sb3SihexagonalP63/mcma=8.5409 c=5.8248 Z=2Y5Sb2Si2orthorhombicCmcaZrSi0.7Sb1.3NbSiSbtetragonalP4/nmma=3.67 c=8.25Nb4SiSb2tetragonalI4/mcma = 10.3638 c = 4.9151 Z = 4527.928.093Nb3Sb0.55Si0.45Cr3Si structureNb3Si0.6Sb0.4Ti3P structureNbSi1.65Sb0.35CrSi2 structureNb4Cu0.2SiSb2tetragonalI4/mcma=10.3954 c=4.9233 Z=4532.038.189Nb4Pd0.2SiSb2tetragonalI4/mcma=10.3991 c=4.9362 Z=4533.818.268Tb5Sb2Si2orthorhombicCmcaDy5Sb2Si2orthorhombicCmcaHo5Sb2Si2orthorhombicCmcaEr5Sb2Si2orthorhombicCmcaTm5Sb2Si2orthorhombicCmcaa=14.768 b=7.723 c=7.741PtSiSborthorhombicPbcaa=6.3128 b=6.3347 c=11.394 Z=8 a=6.3156 b=6.33931 c=11.4008456.44910.03semiconductor; Si-Si bondsPt5SiSbNb4Pt0.14SiSb2tetragonalI4/mcma=10.3803 c=4.9348 Z=4531.738.376 References