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 > 300nm; 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]
4-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]
4-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]
4-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]
5-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]
5-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]
6-Oxalato)-(μ4-oxalato)-bis(μ3-sulfato)-diaqua-di-silver-di-terbiumAgTb(μ4-C2O4)0.56-C2O4)0.5(SO4)(H2O)monoclinicC2/ma=13.693 b=6.889 c=9.0885 β=116.73° [32]
6-Oxalato)-(μ4-oxalato)-bis(μ3-sulfato)-diaqua-di-dysprosium-di-silverAgDy(μ4-C2O4)0.56-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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<span class="mw-page-title-main">Potassium ferrioxalate</span> Chemical compound

Potassium ferrioxalate, also called potassium trisoxalatoferrate or potassium tris(oxalato)ferrate(III) is a chemical compound with the formula K3[Fe(C2O4)3]. It often occurs as the trihydrate K3[Fe(C2O4)3]·3H2O. Both are crystalline compounds, lime green in colour.

<span class="mw-page-title-main">Caesium oxalate</span> Chemical compound

Caesium oxalate, or dicesium oxalate, or cesium oxalate is a chemical compound with the chemical formula Cs2C2O4. It is a cesium salt of oxalic acid. It consists of cesium cations Cs+ and oxalate anions C2O2−4.

The sulfate chlorides are double salts containing both sulfate (SO42–) and chloride (Cl) anions. They are distinct from the chlorosulfates, which have a chlorine atom attached to the sulfur as the ClSO3 anion.

The sulfate fluorides are double salts that contain both sulfate and fluoride anions. They are in the class of mixed anion compounds. Some of these minerals are deposited in fumaroles.

Nitrate chlorides are mixed anion compounds that contain both nitrate (NO3) and chloride (Cl) ions. Various compounds are known, including amino acid salts, and also complexes from iron group, rare-earth, and actinide metals. Complexes are not usually identified as nitrate chlorides, and would be termed chlorido nitrato complexes.

The borosulfates are heteropoly anion compounds which have sulfate groups attached to boron atoms. Other possible terms are sulfatoborates or boron-sulfur oxides. The ratio of sulfate to borate reflects the degree of condensation. With [B(SO4)4]5- there is no condensation, each ion stands alone. In [B(SO4)3]3- the anions are linked into a chain, a chain of loops, or as [B2(SO4)6]6− in a cycle. Finally in [B(SO4)2] the sulfate and borate tetrahedra are all linked into a two or three-dimensional network. These arrangements of oxygen around boron and sulfur can have forms resembling silicates. The first borosulfate to be discovered was K5[B(SO4)4] in 2012. Over 75 unique compounds are known.

The borophosphates are mixed anion compounds containing borate and phosphate anions, which may be joined together by a common oxygen atom. Compounds that contain water or hydroxy groups can also be included in the class of compounds.

Sulfidostannates, or thiostannates are chemical compounds containing anions composed of tin linked with sulfur. They can be considered as stannates with sulfur substituting for oxygen. Related compounds include the thiosilicates, and thiogermanates, and by varying the chalcogen: selenostannates, and tellurostannates. Oxothiostannates have oxygen in addition to sulfur. Thiostannates can be classed as chalcogenidometalates, thiometallates, chalcogenidotetrelates, thiotetrelates, and chalcogenidostannates. Tin is almost always in the +4 oxidation state in thiostannates, although a couple of mixed sulfides in the +2 state are known,

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Yttrium oxalate is an inorganic compound, a salt of yttrium and oxalic acid with the chemical formula Y2(C2O4)3. The compound does not dissolve in water and forms crystalline hydrates—colorless crystals.

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<span class="mw-page-title-main">Europium compounds</span> Chemical compounds

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