The arsenate sulfates are mixed anion compounds containing both arsenate and sulfate ions. Some borate carbonates have additional different anions and can be borate carbonate halides or borate carbonate nitrites.
List edit
| chem | mw | crystal system | space group | unit cell | volume | density | comment | references | |
|---|---|---|---|---|---|---|---|---|---|
| Vasilseverginite | Cu9O4(AsO4)2(SO4)2 | monoclinic | P21/n | a = 8.1131 b = 9.9182 c = 11.0225 β = 110.855° Z = 2 | 828.84 | biaxial (–), α 1.816, β 1.870, γ 1.897, 2V ~ 30(15)° | [1] | ||
| Beudantite | PbFe3(OH)6SO4AsO4 | trigonal | R3_m | a = 7.32, c = 17.02 Z=3 | 789.79 | 4.48 | Uniaxial (-) nω = 1.957 nε = 1.943 Birefringence: 0.014 | [2] | |
| 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 | [3] | |
| K4(SO4)(HSO4)2(H3AsO4) | triclinic | P1_ | a=8.9076 b=10.1258 c=10.6785 α=72.525°, β=66.399°, γ=65.516°, Z=2 | 792.74 | [4] | ||||
| Rb4(SO4)(HSO4)2(H3AsO4) | monoclinic | P21 | a = 5.868 b = 13.579, c = 11.809 β = 94,737° | [5] | |||||
| Rb3(HSO4)2.5(H2AsO4)0.5 | triclinic | P | a = 7.471 b = 7.636 c = 12.193 α = 71.91° β = 73.04° γ = 88.77° | superprotonic phase over 404 K; decompose 473K | [6] | ||||
| Cs2(HSO4)(H2AsO4) | monoclinic | P21/n | [7] |
References edit
- ^ Pekov, Igor V.; Britvin, Sergey N.; Krivovichev, Sergey V.; Yapaskurt, Vasiliy O.; Vigasina, Marina F.; Turchkova, Anna G.; Sidorov, Evgeny G. (1 April 2021). "Vasilseverginite, Cu9O4(AsO4)2(SO4)2, a new fumarolic mineral with a hybrid structure containing novel anion-centered tetrahedral structural units". American Mineralogist. 106 (4): 633–640. Bibcode:2021AmMin.106..633P. doi:10.2138/am-2020-7611. S2CID 226659801.
- ^ "Beudantite". www.mindat.org. Retrieved 2022-05-25.
- ^ "Gallobeudantite". www.mindat.org. Retrieved 2022-05-24.
- ^ Amri, M.; Zouari, N.; Mhiri, T.; Pechev, S.; Gravereau, P.; Von Der Muhll, R. (July 2007). "Structural, vibrational and dielectric properties of new potassium hydrogen sulfate arsenate: K4(SO4)(HSO4)2(H3AsO4)". Journal of Physics and Chemistry of Solids. 68 (7): 1281–1292. Bibcode:2007JPCS...68.1281A. doi:10.1016/j.jpcs.2007.03.007.
- ^ Belhaj Salah, M.; Nouiri, N.; Jaouadi, K.; Mhiri, T.; Zouari, N. (January 2018). "Synthesis, crystal structure, thermal analysis and dielectric properties of Rb 4 (SO 4 )(HSO 4 ) 2 (H 3 AsO 4 ) compound". Journal of Molecular Structure. 1151: 286–300. Bibcode:2018JMoSt1151..286B. doi:10.1016/j.molstruc.2017.09.025.
- ^ Jaouadi, K.; Zouari, N.; Mhiri, T. (February 2017). "Synthesis, structural study and thermal behaviour of a new compound: trirubidium bis(hydrogen sulphate) dihydrogen arsenate Rb 3 (HSO 4 ) 2.5 (H 2 AsO 4 ) 0.5". Phase Transitions. 90 (2): 143–157. doi:10.1080/01411594.2016.1168821. ISSN 0141-1594.
- ^ Nouiri, N.; Jaouadi, K.; Mhiri, T.; Zouari, N. (September 2016). "Structure, thermal behavior, and dielectric properties of new cesium hydrogen sulfate arsenate: Cs2(HSO4)(H2AsO4)". Ionics. 22 (9): 1611–1623. doi:10.1007/s11581-016-1679-0. ISSN 0947-7047.