Oxalate sulfate

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Oxalate sulfates are mixed anion compounds containing oxalate and sulfate. They are mostly transparent, and any colour comes from the cations.

Contents

Related compounds include the sulfite oxalates [1] and oxalate selenates. [2]

Production

Oxalate sulfates may be deposited from a solution in water of the metal anions and sulfate with oxalic acid when evaporated. Crystals formed this way may be hydrates. [3]

Properties

Many crystal forms are non-centrosymmetric and have non-linear optical properties. [3]

When heated, oxalate sulfates will first dehydrate, and then give off carbon dioxide. [3]

List

nameformulasystem space group unit cell Åvolumedensitycommentref
lithium sulfate monohydrate oxalate?triclinicP1a = 3.4014 b = 5.0397 c = 6.120 α = 78.62° β= 84.95°

γ = 81.14°

101.45band gap 4.57 eV

dielectric constant 29.7 stable below 83 °C piezoelectric coefficient 6pC/N

 [3]
homopiperazinium dimagnesium dioxalate sulfate dihydrateC5H14N2•Mg2•[C2O4]2•SO4•2H2OmonoclinicIaa=11.5673 b=27.3352 c=16.6097 β=95.255° Z=125229.81.749colourless [4]
piperazinium magnesium oxalate sulfate hydrateC4H12N2•Mg•[C2O4]•SO4•H2OmonoclinicP21/ca=12.7330 b=8.9240 c=11.8172 β=115.502° Z=41211.951.724colourless [4]
potassium sulphato oxalate?triclinica = 6.37 b = 7.03 c = 10.61 α = 93.96 ̊ β = 101.37 ̊ γ = 100.1 ̊colourless > 300 nm; SHG 1.6×KDP [5]
bapp = 1,4-bis(3-aminopropyl)piperazine(H4bapp)0.5·VO(SO4)(C2O4)triclinicP1a=6.2031 b=8.6599 c=12.1853 α=77.130° β=76.207° γ=82.987° [6]
bipy=4,4′-bipyridine; (μ2-Oxalato-O,O',O'',O''')-tetrakis(2,2'-bipyridine)-di-chromium(iii) disulfate 2,2'-bipyridine solvate monohydrate[Cr2(bipy)4(C2O4)](SO4)·(bipy)0.5·H2OtriclinicP1a=11.610 b=12.668 c=17.155 α=77.297° β=83.957° γ=85.458° [7]
depa = 3-(diethylamino)propylamineH2depa⋅Mn2(SO4)(C2O4)2(H2O)⋅H2OorthorhombicPbcaa=14.6293 b=15.6671 c=17.3579 [6]
hpip = homopiperazineH2hpip·Mn2(SO4)(C2O4)2(H2O)orthorhombicP212121a=9.9066 b=12.4496 c=13.6640 [8]
pip = piperazine; piperazinediium (μ-oxalato)-bis(μ-sulfato)-diaqua-di-manganese(ii) dihydrateH2pip·Mn2(SO4)2(C2O4)(H2O)4triclinicP1a 6.6501(4)Å b 7.7034(4)Å c 9.6810(5)Å, α 69.850(4)° β 70.553(5)° γ 83.921(4)° [9]
ipa = 3,3′-iminobis(N,N-dimethylpropylamine) bis(3-dimethylammoniopropyl)ammonium pentakis(μ-oxalato)-bis(μ-sulfato)-tetra-manganese(ii) dihydrateH3ipa⋅Mn2(SO4)(C2O4)2.5·H2OtriclinicP1a 9.9379(6)Å b 11.2423(6)Å c 11.6390(7)Å, α 86.793(5)° β 81.644(5)° γ 74.481(5)° [9]
dpta = dipropylenetriamine; bis(3-ammoniopropyl)ammonium tris(μ-oxalato)-bis(μ-sulfato)-bis(sulfato)-hexa-aqua-tetra-manganese(ii)H3dpta⋅Mn2(SO4)2(C2O4)1.5(H2O)3triclinicP1a 8.6819(3)Å b 10.1689(3)Å c 13.7456(5)Å, α 70.197(3)° β 73.406(3)° γ 87.636(3)° [9]
dmen = N,N-dimethylethylenediamineH2dmen·Mn(SO4)(C2O4)monoclinicP21/na=9.8603 b=12.6525 c=10.0837 β=113.002° [10]
bis(N,N-dimethylpropane-1,3-diaminium) bis(μ-oxalato)-bis(μ-sulfato)-di-manganesetriclinicP1a=8.5307 b=9.0432 c=9.6913 α=69.632° β=64.639° γ=88.148° [11]
butane-1,4-diaminium bis(μ-oxalato)-(μ-sulfato)-aqua-di-manganesetriclinicP1a=8.5468 b=10.0050 c=10.6532 α=75.445° β=79.787° γ=71.848° [11]
Na2Fe(C2O4)SO4⋅H2Oorange; most air sensitive [12]
(μ-oxalato)-(μ-sulfato)-iron-di-potassiumK2[Fe(C2O4)(SO4)]monoclinicP21/ca=5.8735 b=10.2169 c=13.1491 β=91.226° [13]
tris(μ-oxalato)-bis(μ-sulfato)-tri-iron-tetra-potassiumK4[Fe3(C2O4)3(SO4)2]monoclinicP21/ca 13.739 b 5.496 c 12.774 β 97.677° [13]
acid oxalo-bisulfate of roseocobalt ??Co2(HN3)10(C2O4)(SO4)2 ·H2O·H2C2O4speculative [14]
[Co(NH3)4(C2O4)]2SO4·2H2O [15]
[Co(NH3)4(C2O4)]2S2O6 [15]
tris(μ-aqua)-tris(μ-oxalato)-tris(μ-sulfato)-tri-cobalt-hexa-sodiumNa2[Co(C2O4)(SO4)]·H2OhexagonalP62ma=10.2322 c=6.4774 [13]
tris(μ-oxalato)-bis(μ-sulfato)-bis(2-((2-aminoethyl)amino)ethanaminium)-tetraaqua-tetra-cobalttriclinicP1a=8.6065 b=9.5595 c=9.5987 α=77.884° β=82.744° γ=87.356° [16]
bis(μ-oxalato)-bis(μ-sulfato)-bis(4-(2-aminoethyl)piperazin-1-ium)-tri-cobalttriclinicP1a=8.4331 b=9.4691 c=9.5144 α=71.522° β=64.356° γ=89.622° [16]
1,4-dimethylpiperazinedi-ium bis(μ-oxalato)-hepta-aqua-tri-cobalt bis(sulfate)(H2dmp)(SO4)3Co3(C2O4)2(H2O)7orthorhombicPnmaa=11.1050 b=16.4221 c=13.9815violet [17]
Bis[tris(oxamide dioxime-2N,N')cobalt(III)] oxalate bis(sulfate) dodecahydrate[Co(C2H6N4O2)3]2(C2O4)(SO4)212H2OtriclinicP1a = 9.430 b = 11.782 c = 12.812 α = 65.494° β = 83.088° γ = 86.735° Z=11285.71.698at 193K; red [18]
homopiperazinium dizinc dioxalate sulfate hydrateC5H14N2•Zn2•[C2O4]2•SO4•H2OmonoclinicP21a=15.8356 b=13.5022 c=15.9578 β=109.075° Z=83224.72.154colourless [4]
homopiperazinium dizinc dioxalate sulfate dihydrateC5H14N2•Zn2•[C2O4]2•SO4•2H2OmonoclinicIaa=11.5681 b=27.1755 c=16.5979 β=94.946° Z=125198.42.074colourless [4]
bis(4-(2-aminoethyl)piperazin-1-ium)-bis(μ-oxalato)-bis(μ-sulfato)-tri-zinctriclinicP1a=8.407 b=9.523 c=9.543 α=108.39° β=115.52° γ=90.17° [11]
1,4-dimethylpiperazinedi-ium bis(sulfate) bis(μ-oxalato)-hepta-aqua-tri-zinc(H2dmp)(SO4)3Zn3(C2O4)2(H2O)7orthorhombicPnmaa 11.1058 b 16.3449 c 14.0064colourless [17]
(Hgly)2·Zn(SO4)(C2O4)monoclinicC2a 19.1509 b 5.4000 c 12.8206 β 102.878° [19]
RbFe(SO4)(C2O4)0.5·H2OmonoclinicP21/ca = 7.9193, b = 9.4907, c = 8.8090, β = 95.180°, Z = 4 [20]
bis(μ3-sulfato)-bis(μ2-oxalato)-diaqua-di-yttrium diammonium[NH4][Y(H2O)(SO4)(C2O4)]monoclinicP21/na=6.534 b=8.527 c=13.745 β=92.87° [21]
bis(μ3-Sulfato-O,O,O',O'',O''')-(μ2-oxalato-O,O',O'',O''')-(μ2-piperazine-diium-1,4-diacetato-O,O')-diaqua-di-yttrium(iii)Y2(H2pda)(C2O4)(SO4)2(H2O)2]monoclinicC2/ca 19.392 b 6.2757 c 16.999 β 108.279° [22]
levinsonite-(Y) (Y,Nd,Ce)Al(SO4)2(C2O4) · 12H2OmonoclinicP2/na = 10.289 Å, b = 9.234, c = 11.015

β = 108.50°

992.42.181Biaxial (+) Refractive index:

nα = 1.480 nβ = 1.490 nγ = 1.550

 [23] [24]
thfa = tetrahydrofurfurylamine; bis(tetrahydrofurfurylammonium) tris(μ-oxalato)-(μ-sulfato)-di-indium(iii) dihydrate(Hthfa)2·In2(SO4)(C2O4)3·2H2OmonoclinicP21/ca=10.7581 b=12.9985 c=19.9093 β=92.876° [8]
bapp = N,N′-bis(3-aminopropyl)piperazineH4bapp·[In2(SO4)3(C2O4)2(H2O)2]·H2OmonoclinicI2/aa=13.8931 b=14.6792 c=15.2418 β=111.153° [10]
bis(1-ethylpiperazinedi-ium) tris(μ-oxalato)-bis(sulfato)-di-indiumH2epip·[In2(SO4)2(C2O4)3]tetragonalI41/aa=26.0767 c=8.9467colourless [17]
Piperazinediium bis(μ2-oxalato-O,O',O'',O''')-bis(μ2-sulfato-O,O')-diaqua-di-indium dihydrate[C4N2H12]0.5InSO4C2O4·2H2OmonoclinicP21/ca=6.478 b=11.067 c=14.317 β=100.302° [25]
Hgly·In(SO4)(C2O4)(gly)monoclinicP21a 6.5179(2)Å b 10.9928(3)Å c 18.0301(6)Å, α 90° β 93.9700(10)° [19]
CsMn(SO4)(C2O4)0.5·H2OmonoclinicP21/ca = 8.065, b = 9.610, c = 9.219, β = 94.564°, Z = 4 [20]
CsFe(SO4)(C2O4)0.5·H2OmonoclinicP21/ca = 7.9377, b = 9.5757, c = 9.1474, β = 96.104°, Z = 4 [20]
La2(C2O4)(SO4)2(H2O)3monoclinicP21/na=9.838 b=9.817 c=13.111 β=104.258° [26]
bis(μ3-sulfato)-bis(μ2-oxalato)-diaqua-di-lanthanum diammonium[NH4][La(H2O)(SO4)(C2O4)]monoclinicP21/na=6.629 b=8.673 c=13.867 β=93.35° [21]
(μ4-Piperazine-diium-1,4-diacetato-O,O',O'',O''')-bis(μ3-sulfato-O,O',O'')-(μ2-oxalato-O,O',O'',O''')-diaqua-di-cerium(iii) dihydrateCe2(H2pda)(C2O4)(SO4)2(H2O)2 · 2H2OmonoclinicC2/ca 19.353 b 6.836 c 16.400 β 94.312° [22]
coskrenite-(Ce) (Ce,Nd,La)2(C2O4)(SO4)2 · 12H2Otriclinica = 6.007(1) Å, b = 8.368(2) Å, c = 9.189(2) Å

α = 99.90(2)°, β = 105.55(2)°, γ = 107.71(2)°

2.881Biaxial (-) refractive indices: nα = 1.544 nβ = 1.578 nγ = 1.602; Birefringence: δ = 0.058 [27] [28]
zugshunstite-(Ce) (Ce,Nd,La)Al(SO4)2(C2O4) · 12H2OMonoclinicC2/ca = 8.718 b = 18.313 c = 13.128

β = 93.90°

20912.121Large REE; pink in incandescent light; blue in fluorescent light; Biaxial (+) refractive index: nα = 1.455 nβ = 1.485 nγ = 1.528; [29] [24]
(μ4-Piperazine-diium-1,4-diacetato-O,O',O'',O''')-bis(μ3-sulfato-O,O',O'')-(μ2-oxalato-O,O',O'',O''')-diaqua-di-praseodymium(iii) dihydratePr2(H2pda)(C2O4)(SO4)2(H2O)2 · 2H2OmonoclinicC2/ca 19.295 b 6.8100 c 16.377 β 94.369° [22]
heptakis(μ-oxalato)-bis(μ-sulfato)-tetradecaaqua-hexa-neodymium dihydrateNd6(SO4)2(C2O4)7(H2O)14·H2OtriclinicP1a=6.0817 b=11.8807 c=16.0749 α=73.230° β=80.873° γ=88.976° [30]
N,N'-dimethylethane-1,2-diaminium tetrakis(μ-sulfato)-tris(μ-oxalato)-octaaqua-tetra-neodymium[C4H14N2]·Nd4(SO4)4(C2O4)3(H2O)8triclinicP1a=7.0649 b=11.2771 c=11.8318 α=67.370° β=80.035° γ=82.821° [30]
bis(μ3-Sulfato-O,O,O',O'',O''')-(μ2-oxalato-O,O',O'',O''')-(μ2-piperazine-diium-1,4-diacetato-O,O')-diaqua-di-neodymium(iii)Nd2(H2pda)(C2O4)(SO4)2(H2O)2]monoclinicC2/ca=19.702 b=6.348 c=17.352 β=109.973° [22]
bis(1,4-Diazoniabicyclo[2.2.2]octane) tetrakis(μ2-oxalato-O,O',O'',O''')-tetrakis(μ2-sulfato-O,O',O'')-octa-aqua-tetra-neodymium(iii) dihydrate[C6N2H14][Nd2(C2O4)2(SO4)2(H2O)4]·H2OmonoclinicP21/ca=8.523 b=28.628 c=9.306 β=96.497° [31]
(μ4-Piperazine-diium-1,4-diacetato-O,O',O'',O''')-bis(μ3-sulfato-O,O',O'')-(μ2-oxalato-O,O',O'',O''')-diaqua-di-europium(iii) dihydrateEu2(H2pda)(C2O4)(SO4)2(H2O)2 · 2H2OmonoclinicC2/ca=19.143 b=6.722 c=16.323 β=94.58° [22]
(μ5-Oxalato)-(μ3-sulfato)-(μ2-aqua)-aqua-europium-silverAgEu(μ5-C2O4)(SO4)(H2O)2monoclinicP21/ca=6.627 b=13.848 c=8.983 β=96.985° [32]
tetrakis(μ2-oxalato)-bis(μ2-sulfato)-dodeca-aqua-tetra-erbium monohydrateEr4(SO4)2(C2O4)4(H2O)12·H2OmonoclinicP21/ca=10.5598 b=12.8404 c=12.0835 β=93.327° [30]
bis(μ3-sulfato)-bis(μ2-oxalato)-diaqua-di-samarium diammonium[NH4][Sm(H2O)(SO4)(C2O4)]monoclinicP21/na=6.619 b=8.660 c=13.853 β=93.30° [21]
(μ5-Oxalato)-(μ3-sulfato)-(μ2-aqua)-aqua-samarium-silverAgSm(μ5-C2O4)(SO4)(H2O)2monoclinicP21/ca=6.630 b=13.829 c=9.001 β=97.128° [32]
(NH4)[Gd(C2O4)(SO4)(H2O)]large magnetocaloric effect [33]
K[Gd(C2O4)(SO4)(H2O)]monoclinicP21/ca = 6.5849 b = 8.5660 c = 14.7660(2) Å, β = 112.470° Z=4769.663.439colourless [34]
potassium aquaterbium(III) oxalate sulfateKTb(C2O4)(SO4)(H2O)monoclinica = 6.527 b = 8.507 c = 14.591 β = 112.65° Z=4747.7at 113K; colourless [35]
(μ6-Oxalato)-(μ4-oxalato)-bis(μ3-sulfato)-diaqua-di-silver-di-terbiumAgTb(μ4-C2O4)0.5(μ6-C2O4)0.5(SO4)(H2O)monoclinicC2/ma=13.693 b=6.889 c=9.0885 β=116.73° [32]
(μ6-Oxalato)-(μ4-oxalato)-bis(μ3-sulfato)-diaqua-di-dysprosium-di-silverAgDy(μ4-C2O4)0.5(μ6-C2O4)0.5(SO4)(H2O)monoclinicC2/ma=13.683 b=6.881 c=9.080 β=116.731° [32]
bis(1-ethyl-3-methyl-1H-imidazol-3-ium) (μ-oxalato)-bis(μ-sulfato)-tetraoxo-di-uranium monohydratemonoclinicP21/ca=11.579 b=17.312 c=13.694 β=108.178°yellow [36]
(NH4)4[(UO2)2(C2O4)(SO4)2(NCS)2]⋅6H2OorthorhombicPbama = 12.0177 b = 18.6182 c = 6.757 Z=2 [37]
Tetrapotassium bis(μ2-oxalato)-tetraoxo-bis(sulfato)-di-uranium(vi) hexahydrateK2[UO2(C2O4)SO4] · 3H2OtriclinicP1a=5.743 b=9.544 c=11.845 α=89.49° β=84.95° γ=83.01° [38]
K4[(UO2)2C2O4(SO4)2(NCS)2]orthorhombicPbama = 11.5548 b = 7.0847 c = 13.5172 β = 93.130° Z=21104.90 [39]
Di-rubidium dioxo-(oxalato-O,O')-(μ3-sulfato)-uranium monohydrateRb2[UO2SO4(C2O4)] · H2OorthorhombicPna21a=9.720 b=17.037 c=6.852 [38] [40]
Rb4[(UO2)2C2O4(SO4)2(NCS)2]orthorhombicPbama = 11.5854 b = 7.3841 c = 13.9072 β = 95.754 V = Z=21183.7 [39]
Cs4[(UO2)2(C2O4)(SO4)2(NCS)2] · 4H2OorthorhombicPbama = 11.6539 b = 18.379 c = 6.7216 Z=2 [37]
Tetracesium dioxo-bis(oxalato-O,O')-(sulfato-O)-uranium(vi) hydrateCs4[UO2(C2O4)2SO4] · 2.7H2OorthorhombicPbcaa=9.546 b=21.119 c=21.499 [38]

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An oxalate chloride or oxalato chloride is a mixed anion compound contains both oxalate and chloride anions.

References

  1. ↑ Tiwari, Ranjay K.; Kumar, Jitendra; Behera, J. N. (2017). "Organically templated inorganic–organic hybrid metal (Zn and Cd) Sulfite–oxalates with layered and three-dimensional structures". Dalton Transactions. 46 (45): 15939–15946. doi:10.1039/C7DT03073H. ISSN   1477-9226. PMID   29119180.
  2. ↑ Medrish, I. V.; Peresypkina, E. V.; Virovets, A. V.; Serezhkina, L. B. (August 2008). "Synthesis and crystal structure of Rb2[(UO2)2(C2O4)2(SeO4)] · 1.33H2O". Russian Journal of Coordination Chemistry. 34 (8): 629–634. doi:10.1134/S1070328408080125. ISSN   1070-3284. S2CID   95428499.
  3. 1 2 3 4 Yadav, Harsh; Sinha, Nidhi; Kumar, Binay (April 2015). "Growth and characterization of new semiorganic nonlinear optical and piezoelectric lithium sulfate monohydrate oxalate single crystals". Materials Research Bulletin. 64: 194–199. doi:10.1016/j.materresbull.2014.12.065.
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  5. ↑ Punniyamoorthy, R.; Manimekalai, R.; Uma, K.; Pasupathi, G. (March 2019). "Synthesis and Investigation on Structural, Thermal, Mechanical, Linear Optical, and Nonlinear Optical Nature of Potassium Sulphato Oxalate Single Crystals". Crystal Research and Technology. 54 (3): 1800203. Bibcode:2019CryRT..5400203P. doi:10.1002/crat.201800203. S2CID   104375378.
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  14. ↑ Gibbs, Wolcott (1875). "Researches on the Hexatomic Compounds of Cobalt (Continued)". Proceedings of the American Academy of Arts and Sciences. 11: 1–51. doi:10.2307/20021454. JSTOR   20021454.
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  23. ↑ "Levinsonite-(Y)". www.mindat.org. Retrieved 16 September 2023.
  24. 1 2 Rouse, R.C.; Peacor, D.R.; Essene, E.J.; Coskren, T.D.; Lauf, R.J. (April 2001). "The new minerals levinsonite-(Y) [(Y, Nd,Ce)Al(SO4)2(C2O4) · 12H2O] and zugshunstite-(Ce) [(Ce,Nd,La)Al(SO4)2(C2O4) · 12H2O]: Coexisting oxalates with different structures and differentiation of LREE and HREE>". Geochimica et Cosmochimica Acta. 65 (7): 1101–1115. Bibcode:2001GeCoA..65.1101R. doi:10.1016/S0016-7037(00)00568-8.
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  26. ↑ Yuan, Yan-Ping; Song, Jun-Ling; Mao, Jiang-Gao (January 2004). "Hydrothermal synthesis, crystal structure and characterizations of a lanthanum(III) sulfate oxalate with a 3D network structure". Inorganic Chemistry Communications. 7 (1): 24–26. doi:10.1016/j.inoche.2003.09.018.
  27. ↑ "Coskrenite-(Ce)". Mindat.
  28. ↑ Alpers, Charles N.; Jambor, John L.; Nordstrom, D. (17 December 2018). Sulfate Minerals: Crystallography, Geochemistry, and Environmental Significance. Walter de Gruyter GmbH & Co KG. pp. 89–90. ISBN   978-1-5015-0866-0.
  29. ↑ "Zugshunstite-(Ce)". Mindat.
  30. 1 2 3 Wang, Kangcai; Wang, Yu; Xu, Dingguo; Luo, Daibing; Lin, Zhien (October 2013). "New lanthanide sulfate–oxalate hybrid solids containing different inorganic building blocks". Inorganic Chemistry Communications. 36: 146–149. doi:10.1016/j.inoche.2013.08.040.
  31. ↑ Xu, Ning; Xing, Yan; Liu, Xianchun; Song, Danhui; Ma, Ling; Sun, Xiujuan (March 2009). "Synthesis, Structure and Photoluminescent Properties of [C 6 N 2 H 14 ][Nd 2 (C 2 O 4 ) 2 (SO 4 ) 2 (H 2 O) 4 ]·H 2 O, a New Organically Templated Neodymium(III) Oxalate-sulfate". Zeitschrift für anorganische und allgemeine Chemie. 635 (3): 558–562. doi:10.1002/zaac.200801309.
  32. 1 2 3 4 Xiao, Xueying; Wei, Yongqin; Zheng, Wenxu; Wu, Kechen (May 2011). "Organic-inorganic Hybrid Lanthanide-Silver Heterometallic Coordination Frameworks Constructed from Oxalate and Sulfate Anion: Syntheses, Structures, and Photoluminescent Properties". Zeitschrift für anorganische und allgemeine Chemie. 637 (6): 741–747. doi:10.1002/zaac.201000427.
  33. ↑ Li, Jin-Hua; Liu, Ai-Ju; Ma, Yu-Juan; Han, Song-De; Hu, Ji-Xiang; Wang, Guo-Ming (2019). "A large magnetocaloric effect in two hybrid Gd-complexes: the synergy of inorganic and organic ligands towards excellent cryo-magnetic coolants". Journal of Materials Chemistry C. 7 (21): 6352–6358. doi:10.1039/C9TC01475F. ISSN   2050-7526. S2CID   150134192.
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  35. ↑ Sun, Ya-Guang; Guo, Mei-yan; Xiong, Gang; Jiang, Bing; Wang, Lei (15 July 2009). "Potassium aquaterbium(III) oxalate sulfate". Acta Crystallographica Section E. 65 (7): i48. doi:10.1107/S1600536809019679. ISSN   1600-5368. PMC   2969189 . PMID   21582643.
  36. ↑ Kohlgruber, Tsuyoshi A.; Felton, Daniel E.; Perry, Samuel N.; Oliver, Allen G.; Burns, Peter C. (3 February 2021). "Effect of Ionothermal Conditions on the Crystallization of Organically Templated Uranyl Sulfate Compounds". Crystal Growth & Design. 21 (2): 861–868. doi:10.1021/acs.cgd.0c01198. ISSN   1528-7483. S2CID   234126013.
  37. 1 2 Medrish, I. V.; Virovets, A. V.; Peresypkina, E. V.; Serezhkina, L. B. (July 2008). "Synthesis and structures of Cs4[(UO2)2(C2O4)(SO4)2(NCS)2] · 4H2O and (NH4)4[(UO2)2(C2O4)(SO4)2(NCS)2] · 6H2O". Russian Journal of Inorganic Chemistry. 53 (7): 1034–1039. doi:10.1134/S0036023608070103. ISSN   0036-0236. S2CID   97898160.
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  39. 1 2 Medrish, I. V.; Peresypkina, E. V.; Virovets, A. V.; Serezhkina, L. B. (May 2008). "Crystal structure of M4[(UO2)2C2O4(SO4)2(NCS)2] (M = K+, Rh+) and K4[(UO2)2C2O4(SeO4)2(NCS)2]". Crystallography Reports. 53 (3): 462–465. Bibcode:2008CryRp..53..462M. doi:10.1134/S1063774508030139. ISSN   1063-7745. S2CID   116565834.
  40. ↑ MISTRYUKOV, V. E; MIKHAILOV, YU N.; KANISHCHEVA, A. S.; SEREZHKINA, L. B.; SEREZHKIN, V. N. (1993). "The crystal structure of Rb2UO2(SO4)C2O4.H2O". The Crystal Structure of Rb2UO2(SO4)C2O4.H2O. 38 (9): 1413–1415. ISSN   0036-0236.
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