Selenate selenite

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A selenate selenite is a chemical compound or salt that contains selenite and selenate anions (SeO32- and SeO42-). These are mixed anion compounds. Some have third anions.

Contents

Naming

A selenate selenite compound may also be called a selenite selenate.

Production

One way to produce a selenate selenite compound is to evaporate a water solution of selenate and selenite compounds. [1]

Properties

On heating, selenate selenites lose SeO2 and O2 and yield selenites, and ultimately metal oxides. [2]

Related to these are the sulfate sulfites and tellurate tellurites. They can be classed as mixed valent compounds.

List

nameformularatio

SeO4:SeO3

 mw system space group unit cell Åvolumedensitypropertiesreferences
BoroseleniteselenateB2Se3O101:2monoclinicP21/ca = 4.3466, b = 7.0237, c = 22.1460, β = 94.922°, Z = 4colourless hygroscopic [3]
Na2(SeO4)(H2SeO3)· H2O1:1orthorhombicCmc21a=9.615, b=11.19, c=9.62 Z=4 [4]
Sc2(SeO3)2(SeO4)1:2monoclinicP21/ca = 6.5294, b = 10.8557, c = 12.6281, β = 103.543° Z = 4870.21 [5]
Sc2(TeO3)(SeO3)(SeO4)1:1monoclinicP21/ca = 6.535, b = 10.970, c = 12.559, β = 102.70° Z = 4878.3 [5]
Fe(SeO4)(HSeO3)· H2O1:1monoclinicP21/ca=8.355,b=8.696,c=9.255, β=93.72°,Z=4670.95 [6]
Lithium sequicopper selenite selenateLi2Cu3(SeO3)2(SeO4)22:2monoclinicI2/aa=16.293,b=5.007,c=14.448, β = 94.21°, Z=41175.5 [7]
RbFe(SeO3)(SeO4)1:1a=5.339, c=41.206, Z=61040.2 [8]
Y2(SeO3)2(SeO4)(H2O)2·(H2O)0.751:2monoclinicC2/ca=11.9118 b=6.8886 c=12.9644 β=103.839°UV cut off 211 nm
Zr(SeO3)(SeO4)1:1orthorhombicPbcaa = 8.291, b = 9.458, c = 15.357, Z = 81204.2 [9]
Zr4(SeO3)(SeO4)77:1monoclinicP21/na = 5.313, b = 10.704, c = 10.484, β = 104.13°, Z = 1578.2 [9]
Zr3(SeO3)(SeO4)5·2H2O5:1triclinicP1a = 5.273, b = 8.079, c = 11.959, α = 82.60°, β = 88.27°, γ = 89.87°, Z = 1505.1 [9]
Ag4(Mo2O5)(SeO4)2(SeO3)2:1orthorhombicPbcma=5.6557, b=15.8904, c=15.7938, Z=41419.4 [10]
tricadmium(II) bis-[selenite(IV)] selenate(VI)Cd3(SeO3)2(SeO4)1:2monoclinicP21a=8.302 b=5.337 c=10.843 β =108.641 Z=2876.324.539SHG 0.6×KDP; stable to 482 °C [2]
(NH4)4Cd(HSeIVO3)2(SeVIO4)22:2triclinicP1a = 5.791 b = 7.411 c = 10.736 α = 90.05° β = 105.02° γ = 112.61°408.2 [11]
La2(HSeO3)(SeO4)· 2H2O1:1monoclinicP21/na=7.272 b=9.409 c=11.940 β =93.32° [1]
NaLa(SeO3)(SeO4)1:1monoclinicP21/ca=10.751 b=7.098 c=8.437 β =90.90° [1]
Pr4(SeO3)2(SeO4)F61:6monoclinicC2/ca = 22.305, b = 7.1054, c = 8.356, β = 98.05°, Z = 4light green [12]
dineodymium diseleite selenateNd2(SeO3)2(SeO4) · 2H2O1:2721.39monoclinicC2/ca = 12.276, b = 7.0783, c = 13.329, β = 104.276°1122.44.27pink [13]
NaSm(SeO3)(SeO4)1:1monoclinicP21/ca = 10.669, b = 6.9166, c = 8.2588, β = 91.00° Z = 4light yellow [1]
Er2(SeO3)2(SeO4) · 2H2O1:2monoclinicC2a=11.935 b=6.881 c=6.473 β =103.79° Z=4 [1] [14]
Hf(SeO3)(SeO4)(H2O)41:1 [15]
Au2(SeO3)2(SeO4)1:2orthorhombicCmc21a = 16.891, b = 6.3013, c = 8.327, Z = 4886.2orange yellow [16]
Hg3(SeO3)2(SeO4)1:2monoclinicP21a = 8.3979 b = 5.3327 c = 11.148 β = 108.422° Z = 2473.67colourless [17]
Hg3Se(SeO3)(SO4)monoclinicP21/na=7.1188 b=9.9209 c=12.4565 β=95.398° Z=4875.846.854colourless; band gap 3.5 eV; birefringence 0.069@546 nm [18]
Hg5O(SeO3)(SeO4)1:11288.87C2/ca=17.563 b=6.188 c=18.912 β =90.379 Z=82055.28.331yellow [19]
Hg3Hg2Hg(HgO2)(SeO3)2(SeO4)·H2O1:2R3a=5.9239 c=37.096 Z=3 [20]
Hg3Hg2Hg2(HgO2)(SeO3)2(SeO4)2·H2O2:1P31ca=5.8908 c=31.048 Z=2 [20]
Ag4Hg(SeO3)2(SeO4)1:21028.95orthorhombicCmc21a=8.1690 b=11.9903 c=10.8870 Z=41066.46.409398 nm cutoff NLO 0.35×KDP [21]
Pb2(SeO3) (SeO4)1:1684.30orthorhombicPnmaa=13.5080 b=5.6238 c=9.2706 Z=4704.256.454stable to 232 °C [2]
schmiederitePb2Cu2(OH)4(SeO3)(SeO4)1:1monoclinicP21/ma = 9.922, b = 5.712, c = 9.396, β = 101.96°, Z = 2 [22]
Bi2(SeO3)2(SeO4)1:2814.84monoclinicI2/aa= 8.0440 b=7.4377 c=14.7456 β =97.274 Z=4875.116.184colourless [23]
Ag2Bi2(SeO3)3(SeO4)1:31157.54monoclinicP21/ma=9.5380 b=5.4965 c=11.8207 β =92.892 Z=2618.926.211339 nm cutoff [21]
Th(SeO3)(SeO4)1:1monoclinicP21/ca=7.0351 b=9.5259 c=9.02266 β =103.128, Z=4 [24]
(H3O)[(UO2)(SeO4)(SeO2OH)]1:1monoclinicP21/na = 8.668, b = 10.655, c = 9.846, β = 97.88°900.7 [25]
[C5H14N][(UO2)(SeO4)(SeO2OH)]1:1monoclinicP21/na=11.553, b=10.645, c=12.138, β=108.05, Z=4 [26]
[C5H14N]4[(UO2)3(SeO4)4(HSeO3)(H2O)]·(H2SeO3)(HSeO4)5:2triclinicP1a = 11.7068, b = 14.816, c = 16.977, α = 73.899°, β = 76.221°, γ = 89.361°, Z = 22743.0 [27]
catena-(bis(Dimethylammonium) oxonium tetrakis(μ3-selenato)-(μ2-selenito)-aqua-hexaoxo-tri-uranium selenous acid)[C2H8N]2[H3O][(UO2)3(SeO4)4(HSeO3)(H2O)](H2SeO3)0.24:1.2monoclinicP21/ma 8.3116 b 18.6363 c 11.5623 β =97.582° [28]
catena-(tris(Dimethylammonium) tetrakis(μ3-selenato)-(μ2-hydrogen selenito)-aqua-hexaoxo-tri-uranium dimethylamine)[C2H8N]3(C2H7N)[(UO2)3(SeO4)4(HSeO3)(H2O)]4:1orthorhombicPnmaa =11.659 b =14.956 c =22.194 [28]
[NH3(CH2)9NH3][(UO2)(SeO4)(SeO2OH)](NO3)1:1triclinicP1a = 10.7480, b = 13.8847, c = 14.636, α = 109.960°, β = 103.212°, γ = 90.409°, Z= 41990.0 [29]
Cs2(H2O)5[(UO2)7(SeO4)2(SeO3)2O4]. H2O2:2monoclinicP21/ma =.1381, b =15.0098, c =15.1732 β=91.17° [30]

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References

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  25. ↑ Krivovichev, S. V. (December 2009). "Crystal chemistry of selenates with mineral-like structures: VII. The structure of (H3O)[(UO2)(SeO4)(SeO2OH)] and some structural features of selenite-selenates". Geology of Ore Deposits. 51 (7): 663–667. Bibcode:2009GeoOD..51..663K. doi:10.1134/S1075701509070150. ISSN   1075-7015. S2CID   97358388.
  26. ↑ Krivovichev, S. V.; Tananaev, I. G.; Kalenberg, V.; Myasoedov, B. F. (2005). "Synthesis and crystal structure of the first uranyl selenite(IV)-selenate(VI), [C5H14N][(UO2)(SeO4)(SeO2OH)]". Doklady Akademii Nauk - Rossijskaya Akademiya Nauk (in Russian). 403 (3): 349–352. ISSN   0869-5652.
  27. ↑ Krivovichev, S. V.; Tananaev, I. G.; Kahlenberg, V.; Myasoedov, B. F. (May 2006). "Synthesis and crystal structure of a new uranyl selenite(IV)-selenate(VI), [C5H14N]4[(UO2)3(SeO4)4(HSeO3)(H2O)](H2SeO3)(HSeO4)". Radiochemistry. 48 (3): 217–222. doi:10.1134/S1066362206030027. ISSN   1066-3622. S2CID   101074720.
  28. 1 2 Gurzhiy, Vladislav V.; Kovrugin, Vadim M.; Tyumentseva, Olga S.; Mikhaylenko, Pavel A.; Krivovichev, Sergey V.; Tananaev, Ivan G. (September 2015). "Topologically and geometrically flexible structural units in seven new organically templated uranyl selenates and selenite–selenates". Journal of Solid State Chemistry. 229: 32–40. Bibcode:2015JSSCh.229...32G. doi:10.1016/j.jssc.2015.04.040. hdl: 11701/2241 .
  29. ↑ Gurzhiy, V. V.; Krivovichev, S. V.; Burns, P. C.; Tananaev, I. G.; Myasoedov, B. F. (February 2010). "Supramolecular templates for the synthesis of new nanostructured uranyl compounds: Crystal structure of [NH3(CH2)9NH3][(UO2)(SeO4)(SeO2OH)](NO3)". Radiochemistry. 52 (1): 1–6. doi:10.1134/S1066362210010017. ISSN   1066-3622. S2CID   95490559.
  30. ↑ Wylie, E. M.; Burns, P. C. (2012-02-01). "Crystal Structures of Six New Uranyl Selenate and Selenite Compounds and Their Relationship with Uranyl Mineral Structures". The Canadian Mineralogist. 50 (1): 147–157. Bibcode:2012CaMin..50..147W. doi:10.3749/canmin.50.1.147. ISSN   0008-4476.
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