Arsenite bromides

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	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	P1	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]
	La₃OBr₂	tetragonal	P4₂/mnm	a = 13.043 c = 5.6127 Z=4	954.8	5.27	colourless	^[1]
	Ce₃OBr₂							^[5]
	Nd₃OBr₂							^[5]
	Sm₃OBr₂							^[5]
	Gd₃OBr₂							^[5]
	Tb₃OBr₂							^[5]
	Tm₃Br₂	triclinic	P1	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	R3m	a = 7.32, c = 17.02 Z=3	789.79	4.48	Uniaxial (-) n_ω = 1.957 n_ε = 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 (–) n_ω = 1.763 n_ε = 1.750	^[7]

References

^ ^a ^b ^c Yahia, Hamdi Ben; Pöttgen, Rainer; Rodewald, Ute Ch. (2010-10-01). "Crystal Structure of La 3 OBr[AsO 3 ] 2". Zeitschrift für Naturforschung B. 65 (10): 1289–1292. doi:10.1515/znb-2010-1018. ISSN 1865-7117. S2CID 196918204.
^ Locke, Ralf J. C.; Goerigk, Felix C.; Schäfer, Martin J.; Höppe, Henning A.; Schleid, Thomas (2022). "Synthesis, crystal structures and spectroscopic properties of pure YSb 2 O 4 Br and YSb 2 O 4 Cl as well as Eu 3+ - and Tb 3+ -doped samples". RSC Advances. 12 (2): 640–647. doi:10.1039/D1RA08382A. ISSN 2046-2069. PMC 8693579. PMID 35425089.
^ Karpenko, Vladimir Yu.; Pautov, Leonid A.; Siidra, Oleg I.; Mirakov, Mirak A.; Zaitsev, Anatoly N.; Plechov, Pavel Yu.; Makhmadsharif, Saimudasir (February 2023). "Ermakovite (NH 4 )(As 2 O 3 ) 2 Br, a new exhalative arsenite bromide mineral from the Fan-Yagnob coal deposit, Tajikistan". Mineralogical Magazine. 87 (1): 69–78. Bibcode:2023MinM...87...69K. doi:10.1180/mgm.2022.116. ISSN 0026-461X. S2CID 252906686.
^ 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.
^ ^a ^b ^c ^d ^e ^f Goerigk, Felix C.; Schander, Svetlana; Wickleder, Mathias S.; Schleid, Thomas (2020-07-15). "The Triclinic Lanthanoid(III) Halide Oxidoarsenates(III) Sm 3 Cl 2 [As 2 O 5 ][AsO 3 ] and Tm 3 Br 2 [As 2 O 5 ][AsO 3 ]". Zeitschrift für anorganische und allgemeine Chemie. 646 (13): 985–991. doi:10.1002/zaac.201900360. ISSN 0044-2313. S2CID 225602969.
^ "Beudantite". www.mindat.org. Retrieved 2022-05-25.
^ "Gallobeudantite". www.mindat.org. Retrieved 2022-05-24.

Zdroj:https://en.wikipedia.org?pojem=Arsenite_bromides
Text je dostupný za podmienok Creative Commons Attribution/Share-Alike License 3.0 Unported; prípadne za ďalších podmienok. Podrobnejšie informácie nájdete na stránke Podmienky použitia.

[:0-1] Yahia, Hamdi Ben; Pöttgen, Rainer; Rodewald, Ute Ch. (2010-10-01). "Crystal Structure of La 3 OBr[AsO 3 ] 2". Zeitschrift für Naturforschung B. 65 (10): 1289–1292. doi:10.1515/znb-2010-1018. ISSN 1865-7117. S2CID 196918204.

[2] Locke, Ralf J. C.; Goerigk, Felix C.; Schäfer, Martin J.; Höppe, Henning A.; Schleid, Thomas (2022). "Synthesis, crystal structures and spectroscopic properties of pure YSb 2 O 4 Br and YSb 2 O 4 Cl as well as Eu 3+ - and Tb 3+ -doped samples". RSC Advances. 12 (2): 640–647. doi:10.1039/D1RA08382A. ISSN 2046-2069. PMC 8693579. PMID 35425089.

[3] Karpenko, Vladimir Yu.; Pautov, Leonid A.; Siidra, Oleg I.; Mirakov, Mirak A.; Zaitsev, Anatoly N.; Plechov, Pavel Yu.; Makhmadsharif, Saimudasir (February 2023). "Ermakovite (NH 4 )(As 2 O 3 ) 2 Br, a new exhalative arsenite bromide mineral from the Fan-Yagnob coal deposit, Tajikistan". Mineralogical Magazine. 87 (1): 69–78. Bibcode:2023MinM...87...69K. doi:10.1180/mgm.2022.116. ISSN 0026-461X. S2CID 252906686.

[4] 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.

[:1-5] ^ ^a ^b ^c ^d ^e ^f Goerigk, Felix C.; Schander, Svetlana; Wickleder, Mathias S.; Schleid, Thomas (2020-07-15). "The Triclinic Lanthanoid(III) Halide Oxidoarsenates(III) Sm 3 Cl 2 [As 2 O 5 ][AsO 3 ] and Tm 3 Br 2 [As 2 O 5 ][AsO 3 ]". Zeitschrift für anorganische und allgemeine Chemie. 646 (13): 985–991. doi:10.1002/zaac.201900360. ISSN 0044-2313. S2CID 225602969.

[6] "Beudantite". www.mindat.org. Retrieved 2022-05-25.

[7] "Gallobeudantite". www.mindat.org. Retrieved 2022-05-24.

[1]

[2]

[3]

[4]

[5]

[6]

[7]