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 namechemmwcrystal systemspace groupunit cell ÅvolumedensitycommentreferencesLi3B8O13Br395.21orthorhombicPca21a 17.3967(5)Å b 9.4077(3)Å c 6.67501092.452.403birefringence 0.088@1064 nmNa3B4O7BrhexagonalP6522a = 8.146 c = 20.241163.12.605Na11B21O36Br21215.72monoclinicC2/ca=15.722 b=8.951 c=24.087 β=100.728 Z=43330.32.425KBOBK3B6O10Br422.07trigonalR3ma=10.1153 c=8.8592 Z=3785.022.678colourlessK9[B4O5(OH)4]3(CO3)Br·7H2O1191.75hexagonalP6_2ca=11243 c=17.132 Z=218752.11band gap 5.65 eVZn2BO3Br·H2O287.48orthorhombicP212121a=4.962 b=8.484 c=14.644 Z=4616.53.097NLO 0.6x KDPKZn2BO3Br2345.92trigonalR32a=4.9611 c=27.221 Z=3580.22.970whiteRbZn2BO3Br2388.47trigonalR32a=4.9618 c=28.199 Z=3601.23.219whiteAg4B4O7Br2746.52hexagonalP6122a=8.8291 c=44.7416 Z=123020.54.92Ag4BrB7O12779triclinicPa=8.802 b=8.864 c=9.287 α=64.618 β=74.695 γ=60.765° Z=2569.9pale yellow; layeredSn2B5O9Br515.34orthorhombicPnn2a = 11.398 b = 11.446 c = 6.553 Z=4854.94.004birefringence=0.439 at 546 nm; SHG 4.8x; whiteSn3B3O7Br580.41orthorhombicPbcaa=10.677 b=8.471 c=20.174 Z=818254.226birefringence 0.123@1064 nmNaBa4(GaB4O9)2Br31326.00tetragonalP42nma=12.33 c=6.91 Z=210534.18NLO 1.1x KDPLa[B5O8(OH)(H2O)2Br]448.87monoclinicP21/na=6.520 b=15.213 c=10.704 β=90.017 Z=41061.62.808colourlessLaBOBrLa[B7O10(OH)3(H2O)Br]518.49monoclinicP21/na=7.944 b=15.105 c=9.836 β=90 Z=41180.32.918Ce[B5O8(OH)(H2O)2Br]450.08monoclinicP21/na=6.495 b=15.159 c=10.670 β=90.048 Z=41050.62.846colourlessCeBOBrCe[B6O9(OH)2(H2O)2Br]·0.5H2O500.89monoclinicP21/na=8.1507 b=14.874 c=9.867 β=90.085 Z=41196.32.781PrBOBrPr[B6O9(OH)2(H2O)2Br]·0.5H2O501.68monoclinicP21/na=8.1346 b=14.819 c=9.847 β=90.153 Z=41187.02.807greenPr[B5O8(OH)(H2O)2Br]450.87monoclinicP21/na=6.4910 b=15.143 c=10.664 β=90.0440 Z=41048.22.857NdBOBrNd2[B12O17.5(OH)5(H2O)4Br1.5]Br0.5·H2O1018.02orthorhombicFdd2a=30.6641 b=19.7946 c=16.0737 Z=169757.32.772purpleNd4[B18O25(OH)13Br3]1619.27monoclinicP2/ca=10.544 b=6.451 c=23.485 β=97.754 Z=215833.397purpleSmBOBrSm4[B18O25(OH)13Br3]1643.71monoclinicP21/na=10.508 b=6.427 c=23.408 β=97.585 Z=215673.484Ba2BO3BrPm1a = 5.516, c = 11.019, and Z = 2Ba3BO3Br3triclinicPa = 9.280, b = 9.349 c = 13.025, α = 92.71°, β = 98.29°, γ = 116.20° and Z = 4Ba7(BO3)3SiO4BrorthorhombicP63mcBa7(BO3)3GeO4Br1354.31orthorhombicPbama=20.381 b=7.477 c=11.175 Z=41702.95.283Pb2Ba3(BO3)3Br1082.74orthorhombicC2221a=10.538 b=14.2878 c=8.107 Z=41220.75.891NLO 3.1×KDP; colourless
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