Table 2.
Wavenumbers and corresponding assignments for FTIR spectra of ZnBSb samples.
| Wavenumber (cm−1) | Assignment | References |
|---|---|---|
| 1372–1354 | Stretching vibrations of non-bridging B–Ø bonds in metaborate units | 22,23 |
| 1256–1238 | Stretching vibrations of bridging B–O bonds in pyroborate units | 22,23 |
| 1084–1078 | Stretching vibrations of B–O bonds in tetrahedral BO4 units from tri-, tetra-, and pentaborate groups | 23,24 |
| 1022–1012 | Stretching vibrations of B–O bonds in tetrahedral BO4 units from diborate groups | 22,25 |
| 882–878 | Symmetric B–O–B stretching of pyroborates dimers | 23,26 |
| 692–688 | B–O–B bending modes of triangular borate units and symmetric stretching vibrations of Sb–O bonds in SbO3 pyramidal structures | 27–29 |
| 468–466 | Bending vibrations of Zn–O bonds within ZnO4 units | 24,25 |
| 424–418 | Vibration of zinc (Zn2+) cations | 8,30 |