Английская Википедия:Arsenite bromides

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Шаблон:Short description The arsenite bromides are mixed anion compounds containing both arsenite and bromide ions. Similar compounds include arsenate bromides,[1] arsenite chlorides,[1] antimonite bromides, antimonite chlorides,[2] and ...

They are in the category of halide oxidoarsenates(III)

List

chem mw crystal system space group unit cell Å volume density comment references
Ermakovite (NH4)(As2O3)2Br hexagonal P6/mmm a = 5.271 c = 9.157 Z = 1 220.3 3.64 uniaxial (–), ω = 1.960 ɛ = 1.716 at 589 nm [3]
In4(As2O5)(As3O7)Br3 triclinic PШаблон:Overbar a=7.998 b=10.532 c=11.952 α=70.92° β=79.62° γ=80.27° Z=2 928 4.527 stable to 530°C [4]
La3OBr[AsO3]2 tetragonal P42/mnm a = 13.043 c = 5.6127 Z=4 954.8 5.27 colourless [1]
Ce3OBr[AsO3]2 [5]
Nd3OBr[AsO3]2 [5]
Sm3OBr[AsO3]2 [5]
Gd3OBr[AsO3]2 [5]
Tb3OBr[AsO3]2 [5]
Tm3Br2[As2O5][AsO3] triclinic PШаблон:Overbar a = 5.3496 b = 8.6926 c = 10.8184 α = 90.723° β = 94.792° γ = 90.119° Z=2 6.760 pale yellow [5]
Beudantite PbFe3(OH)6SO4AsO4 trigonal RШаблон:Overbarm a = 7.32, c = 17.02 Z=3 789.79 4.48 Uniaxial (-) nω = 1.957 nε = 1.943 Birefringence: 0.014 [6]
Gallobeudantite PbGa3(AsO4)(SO4)(OH)6 trigonal R3m a = 7.225, c = 17.03 Z=3 769.88 4.87 uniaxial (–) nω = 1.763 nε = 1.750 [7]

References

Шаблон:Reflist

Шаблон:Bromides