# Borate bromide

The borate bromides are mixed anion compounds that contain borate and bromide anions. They are in the borate halide family of compounds which also includes borate fluorides, borate chlorides, and borate iodides.

## List

| name | chem | mw | crystal system | space group | unit cell Å | volume | density | comment |
| | Li$_3$B$_8$O$_{13}$Br | 395.21 | orthorhombic | Pca2$_1$ | a 17.3967(5)Å b 9.4077(3)Å c 6.6750 | 1092.45 | 2.403 | birefringence 0.088@1064 nm |
| | Na$_3$B$_4$O$_7$Br | | hexagonal | P6$_5$22 | a = 8.146 c = 20.24 | 1163.1 | 2.605 | |
| | Na$_{11}$B$_{21}$O$_{36}$Br$_2$ | 1215.72 | monoclinic | C2/c | a=15.722 b=8.951 c=24.087 β=100.728 Z=4 | 3330.3 | 2.425 | |
| KBOB | K$_3$B$_6$O$_{10}$Br | 422.07 | trigonal | R3m | a=10.1153 c=8.8592 Z=3 | 785.02 | 2.678 | colourless |
| | K$_9$[B$_4$O$_5$(OH)$_4$]$_3$(CO$_3$)Br·7H$_2$O | 1191.75 | hexagonal | P6_2c | a=11243 c=17.132 Z=2 | 1875 | 2.11 | band gap 5.65 eV |
| | Zn$_2$BO$_3$Br·H$_2$O | 287.48 | orthorhombic | P2$_1$2$_1$2$_1$ | a=4.962 b=8.484 c=14.644 Z=4 | 616.5 | 3.097 | NLO 0.6x KDP |
| | KZn$_2$BO$_3$Br$_2$ | 345.92 | trigonal | R32 | a=4.9611 c=27.221 Z=3 | 580.2 | 2.970 | white |
| | RbZn$_2$BO$_3$Br$_2$ | 388.47 | trigonal | R32 | a=4.9618 c=28.199 Z=3 | 601.2 | 3.219 | white |
| | Ag$_4$B$_4$O$_7$Br$_2$ | 746.52 | hexagonal | P6$_1$22 | a=8.8291 c=44.7416 Z=12 | 3020.5 | 4.92 | |
| | Sn$_2$B$_5$O$_9$Br | 515.34 | orthorhombic | Pnn2 | a = 11.398 b = 11.446 c = 6.553 Z=4 | 854.9 | 4.004 | birefringence=0.439 at 546 nm; SHG 4.8x; white |
| | NaBa$_4$(GaB$_4$O$_9$)$_2$Br$_3$ | 1326.00 | tetragonal | P4$_2$nm | a=12.33 c=6.91 Z=2 | 1053 | 4.18 | NLO 1.1x KDP |
| | La[B$_5$O$_8$(OH)(H$_2$O)$_2$Br] | 448.87 | monoclinic | P2$_1$/n | a=6.520 b=15.213 c=10.704 β=90.017 Z=4 | 1061.6 | 2.808 | colourless |
| LaBOBr | La[B$_7$O$_{10}$(OH)$_3$(H$_2$O)Br] | 518.49 | monoclinic | P2$_1$/n | a=7.944 b=15.105 c=9.836 β=90 Z=4 | 1180.3 | 2.918 | |
| | Ce[B$_5$O$_8$(OH)(H$_2$O)$_2$Br] | 450.08 | monoclinic | P2$_1$/n | a=6.495 b=15.159 c=10.670 β=90.048 Z=4 | 1050.6 | 2.846 | colourless |
| CeBOBr | Ce[B$_6$O$_9$(OH)$_2$(H$_2$O)$_2$Br]·0.5H$_2$O | 500.89 | monoclinic | P2$_1$/n | a=8.1507 b=14.874 c=9.867 β=90.085 Z=4 | 1196.3 | 2.781 | |
| PrBOBr | Pr[B$_6$O$_9$(OH)$_2$(H$_2$O)$_2$Br]·0.5H$_2$O | 501.68 | monoclinic | P2$_1$/n | a=8.1346 b=14.819 c=9.847 β=90.153 Z=4 | 1187.0 | 2.807 | green |
| | Pr[B$_5$O$_8$(OH)(H$_2$O)$_2$Br] | 450.87 | monoclinic | P2$_1$/n | a=6.4910 b=15.143 c=10.664 β=90.0440 Z=4 | 1048.2 | 2.857 | |
| NdBOBr | Nd$_2$[B$_{12}$O$_{17.5}$(OH)$_5$(H$_2$O)$_4$Br$_{1.5}$]Br$_{0.5}$·H$_2$O | 1018.02 | orthorhombic | Fdd2 | a=30.6641 b=19.7946 c=16.0737 Z=16 | 9757.3 | 2.772 | purple |
| | Nd$_4$[B$_{18}$O$_{25}$(OH)$_{13}$Br$_3$] | 1619.27 | monoclinic | P2/c | a=10.544 b=6.451 c=23.485 β=97.754 Z=2 | 1583 | 3.397 | purple |
| SmBOBr | Sm$_4$[B$_{18}$O$_{25}$(OH)$_{13}$Br$_3$] | 1643.71 | monoclinic | P2$_1$/n | a=10.508 b=6.427 c=23.408 β=97.585 Z=2 | 1567 | 3.484 | |
| | Ba$_2$BO$_3$Br | | | P-3m1 | a = 5.516, c = 11.019, and Z = 2 | | | |
| | Ba$_3$BO$_3$Br$_3$ | | triclinic | P-1 | a = 9.280, b = 9.349 c = 13.025, α = 92.71°, β = 98.29°, γ = 116.20° and Z = 4 | | | |
| | Ba$_7$(BO$_3$)$_3$SiO$_4$Br | | orthorhombic | P6$_3$mc | | | | |
| | Ba$_7$(BO$_3$)$_3$GeO$_4$Br | 1354.31 | orthorhombic | Pbam | a=20.381 b=7.477 c=11.175 Z=4 | 1702.9 | 5.283 | |
| | Pb$_2$Ba$_3$(BO$_3$)$_3$Br | 1082.74 | orthorhombic | C222$_1$ | a=10.538 b=14.2878 c=8.107 Z=4 | 1220.7 | 5.891 | NLO 3.1×KDP; colourless |