# Tellurite fluoride

A tellurite fluoride is a mixed anion compound containing tellurite and fluoride ions. They have also been called oxyfluorotellurate(IV) where IV is the oxidation state of tellurium in tellurite.
Comparable compounds are sulfite fluorides or selenite fluorides.

## List

| name | formula | ratio TeO$_3$:F | mw | crystal system | space group | unit cell Å | volume | density | optical | comment |
| | Li$_7$(TeO$_3$)$_3$F | | | | P6$_3$ | a =11.4178 c =4.8433 | | | | band gap 4.75 eV |
| | KTe$_3$O$_6$F | 3:1 | | rhombohedral | R3 | a=9.486, c=13.774, Z=6 | | | | |
| | ScTeO$_3$F | | 239.56 | orthorhombic | Pnma | a = 5.7740 b = 22.062 c = 5.500 | 700.6 | | colourless | |
| titanium(IV) tellurium(IV) trioxide difluoride | TiTeO$_3$F$_2$ | 1:1 | 361.50 | orthorhombic | Pnma | a = 7.392 b = 16.369 c=6.4886 Z=8 | 785.1 | | colourless | |
| divanadium(IV) ditellurium(IV) heptaoxide difluoride | V$_2$Te$_2$O$_7$F$_2$ | 2:2 | 507.38 | triclinic | P1 | a = 4.882 b = 5.112 c = 7.243 α = 108.17° β = 91.64° γ = 92.63° | 171.4 | | green-brown | |
| | Cr$^{III}$TeO$_3$F | 1:1 | | | | | | | | |
| | FeTeO$_3$F | 1:1 | 250.45 | monoclinic | P2$_1$/n | a = 5.0667 b = 5.0550 c = 12.397 β = 97.63° Z=4 | 314.72 | | green | |
| | Co$_2$TeO$_3$F$_2$ | 1:2 | 331.46 | orthorhombic | Pnma | a=7.3810 b=10.1936 c=5.3013 Z=4 | 398.86 | 5.520 | purple | |
| | Co$_{15}$F$_2$(TeO$_3$)$_{14}$ | 14:2 | 3380.35 | trigonal | R3 | a =11.6649 c =27.317 Z=3 | 3219.1 | 5.231 | blue | |
| | Cu$_7$(TeO$_3$)$_6$F$_2$ | 6:2 | | triclinic | P1 | a =4.9844 b =9.4724 c =9.958, α =82.318° β =76.275° γ =78.847° | | | | |
| | GaTeO$_3$F | 1:1 | | monoclinic | P2$_1$/n | a = 5.0625 b = 4.9873 c = 12.166 β = 97.952 (13)° Z=4 | 304.22 | | colourless | |
| | RbTe$_3$O$_6$F | 3:1 | | | | | | | | |
| | InTeO$_3$F | 1:1 | 309.42 | | | a = 7.939 b = 5.3867 c = 8.053 β = 91.06° | 344.35 | | colourless | |
| | InTe$_2$O$_5$F | 2:1 | | orthorhombic | Cmmm | a = 7.850, b = 27.637, c = 4.098, Z = 4 | 889.1 | | | |
| | In$_3$TeO$_3$F$_7$ | 1:7 | | orthorhombic | Cmmm | a = 7.850(2) A, b = 27.637(6) A, c = 4.098 | | | | |
| | In$_3$(SO$_4$)(TeO$_3$)$_2$F$_3$(H$_2$O) | | | | P2$_1$2$_1$2$_1$ | a =8.3115 b =9.4341 c =14.807 | | | | band gap 4.10 eV |
| | BaF$_2$TeF$_2$(OH)$_2$ | | | | Pmn2$_1$ | | | | SHG ~3 × KDP | fluorotellurite |
| | Ba$_2$Ga$_3$F$_3$(Te$_6$F$_2$O$_{16}$) | | | | | a =8.8753 b =8.8753 c =11.655 | | | | band gap 4.4 eV |
| | Ba(MoOF$_2$)(TeO$_4$) | 1:2 | 478.87 | monoclinic | P2$_1$/c | a 5.4281 b 10.1306 c 12.3186 β 116.145° Z=4 | 608.09 | 5.231 | colourless | |
| | Ba(MoO$_2$F)$_2$(TeO$_3$)$_2$ | 2:2 | 782.42 | orthorhombic | Aba2 | a=12.5605 b=11.0264 c=7.2858 Z=4 | 1009.1 | 5.150 | colourless | |
| | Ba(WOF$_2$)(TeO$_4$) | | 566.77 | monoclinic | P2$_1$/c | a 5.4483 b 10.0179 c 12.3134 β 115.422(6)° Z=4 | 607.00 | 6.202 | green | |
| | Pb$_2$Al$_3$F$_3$(Te$_6$F$_2$O$_{16}$) | | | orthorhombic | P4/mbm | a =8.7627 b =8.7627 c =11.235 | | | | band gap 4.1 eV |
| | PbVTeO$_5$F | | 484.73 | orthorhombic | Pbca | a=9.8976 b=8.0685 c=13.070 | 1043.8 | 6.169 | orange; birefringence 0.142 at 590 nm | |
| | Pb$_2$Ga$_3$F$_3$(Te$_6$F$_2$O$_{16}$) | | | orthorhombic | P4/mbm | a =8.8439 b =8.8439 c =11.580 | | | | band gap 4.2 eV |
| | Bi$_4$TeO$_4$F$_2$(TeO$_3$)$_2$(SeO$_3$)$_2$ | 2:2 | 1670.64 | monoclinic | P2$_1$/c | a=7.0304 b=6.6782 c=17.355 β=106.155 Z=2 | 782.66 | 7.089 | colourless | |