An oxalate chloride or oxalato chloride is a mixed anion compound contains both oxalate and chloride anions.
Related compounds include oxalate fluorides[1] and oxalate bromides.[2]
Oxalate chlorides may be produced by treating an oxalate salt with concentrated hydrochloric acid, or with a metal oxide dissolved in oxalic acid and hydrochloric acid solutions that are evaporated.[3]
name | formula | crystal | space group | cell | volume | density | comment | ref |
---|---|---|---|---|---|---|---|---|
Novgorodovaite | Ca2(C2O4)Cl2•2H2O | monoclinic | I2/m | a=6.936 b=7.382 c=7.443 β=94.3° | loses water over 205°C; refract: α=1.500 β=1.545 γ=1.568 2V=71° (−) | [4][5][6] | ||
Ca2(C2O4)Cl2•7H2O | triclinic | P1 | a = 7.3928 b = 8.9925 c = 10.484 α = 84.070 β = 70.95 γ = 88.545° | 655.3 | looses water at 25°C to 2H2O; refract: α=1.571 β=1.648 γ=1.718 2V=87° (−) | [4][7] | ||
Ca4(C2O4)3Cl2•8H2O | dubious | [4] | ||||||
octakis(ethyl(dimethyl)ammonium) dodecakis(μ-oxalato)-tetrachloro-tetra-chromium-tetra-manganese | [NH(CH3)2(C2H5)]8[Mn4Cl4Cr4(C2O4)12] | monoclinic | P21 | a=13.8321 b=17.1042 c=20.4209 β=91.874° | [8] | |||
octakis(diethyl(methyl)ammonium) dodecakis(μ-oxalato)-tetrachloro-tetra-chromium-tetra-manganese | [NH(CH3)(C2H5)2]8[Mn4Cl4Cr4(C2O4)12] | monoclinic | P21 | a=14.1863 b=17.3479 c=20.4140 β=91.937° | [8] | |||
DABCO=1,4-diazabicyclo[2.2.2]octane; | (DABCO-H+)2(DABCO-2H2+)[MnII(CH3OH)(Cl−)CrIII(oxalate)3]2−2(CH3OH) | triclinic | P1 | a=8.093 b=9.070 c=19.574 α=83.471° β=89.875° γ=86.765° | [9] | |||
tetrakis(methylammonium) tetrakis(μ-oxalato)-octachloro-tetra-iron(iii) pentahydrate | (MeNH3)2[Fe2(ox)2Cl4]·2.5H2O | monoclinic | P21/c | a 10.7832 b 13.913 c 13.0578 β 104.060° | [10] | |||
methylammonium (μ-hydroxo)-bis(μ-oxalato)-dichloro-di-iron(iii) trihydrate | MeNH3[Fe2(OH)(ox)2Cl2]·2H2O | monoclinic | Cc | a=8.945 b=14.936 c=12.408 β=108.531° | [10] | |||
methylammonium oxonium bis(μ-oxalato)-(μ-oxo)-dichloro-di-iron(iii) dihydrate | (H3O)(MeNH3)[Fe2O(ox)2Cl2]·3H2O | orthorhombic | Fdd2 | a=14.914 b=23.507 c=9.261 | [10] | |||
DMF = dimethylformamide | Fe2(C2O4)Cl4(DMF)4 | triclinic | P1 | a=8.3919 b=8.7834 c=11.2881 α=70.248° β=71.993° γ=64.423° | [11] | |||
(dimim)2[Fe2Cl4(μ-ox)] | ionic liquid | [12] | ||||||
L2=1,4-bis(imidazol-1-ylmethyl)benzene
bis(1,1'-(1,4-Phenylenebis(methylene))bis-1H-imidazol-3-ium) (μ2-oxalato)-tetrachloro-bis(oxalato)-di-iron(iii) |
(H2-L2)2{Fe2(C2O4)3Cl4} | triclinic | P1 | a=10.6758 b=10.7457 c=10.8774 α=113.219° β=109.138° γ=99.294° Z=1 | 1020.8 | 1.624 | emerald | [13] |
tetramelaminium trioxalatoferrate(III) chloride dihydrate | (C3H7N6)4{Fe(C2O4)3}Cl·2H2O | monoclinic | P21/c | a=11.597 b=22.299 c=13.655 β=94.344° Z=4 | 3521 | 1.698 | green | [14] |
methylammonium (μ-aqua)-tris(μ-chloro)-(μ-oxalato)-iron(iii)-potassium | K(MeNH3)[Fe(ox)Cl3(H2O) | monoclinic | P21/m | a=8.725 b=7.508 c=9.026 β=112.421° | [10] | |||
diethylmethylammonium | [NH(CH3)(C2H5)2][FeCl2(C2O4)] | monoclinic | P21/c | a=8.5125 b=10.775 c=14.9703 β=104.798° Z=4 | 1327.6 | 1.516 | yellow; proton conductor | [15] |
bis(Tetramethylammonium) bis(μ2-oxalato)-tetrachloro-di-iron(iii) | Me4N[FeIII(ox)Cl2] | monoclinic | P21/c | a=7.9441 b=8.6093 c=17.8251 β=91.869 | [16] | |||
hexakis(Triethylammonium) hexakis(μ2-oxalato)-dodecachloro-hexa-iron(iii) | Et3NH[FeIII(ox)Cl2] | triclinic | P1 | a=10.9609 b=14.4602 c=14.5780 α=85.006° β=78.845° γ=83.0191 | [16] | |||
Triethylammonium (μ2-oxalato)-dichloro-iron(iii) | Et3NH[FeIII(ox)Cl2] | orthorhombic | Fdd2 | a=13.5878 b=37.972 c=10.8210 | [16] | |||
bis(Tetra-n-butylammonium) bis(μ2-oxalato)-tetrachloro-di-iron(iii) | n-Bu4N[FeIII(ox)Cl2] | monoclinic | P21/c | a=8.8836 b=15.1939 c=17.968 β=91.556° | [16] | |||
[Fe(oxalato)Cl2]3(3,5-dimethylpyrazole)2(3,5- dimethylpyrazolium)2 | monoclinic | C2/c | a=19.527 b=11.867 c=19.429 β=115.66° Z=4 | 4058.20 | 1.684 | green | [17] | |
BETS = Bis(ethylenedithio)tetraselenafulvalene | κ-BETS2[FeIII(C2O4)Cl2] | black; metallic; | [18] | |||||
bis(2-(5,6-dihydro[1,3]dithiolo[4,5-b][1,4]dithiin-2-ylidene)-5,6-dihydro[1,3]dithiolo[4,5-b][1,4]dithiin-1-ium) bis(μ-oxalato)-tetrachloro-di-iron(iii) | [BEDT-TTF][Fe(C2O4)Cl2] | triclinic | P1 | a=8.896 b=11.401 c=11.427 α=112.062° β=103.775° γ=100.328° | [19] | |||
BEDT-TTF = Bis(ethylenedithio)tetrathiafulvalene | (BEDT-TTF)[Fe(C2O4)Cl2](CH2Cl2) | monoclinic | P21/c | a=8.858 b=11.012 c=14.932 β=103.39° | [20] | |||
tris(ethylenediamine)cobalt(III)chloride oxalate trihydrate | [Co(en)3]Cl(C2O4)·3H2O | monoclinic | C2/c | a = 19.932 b = 9.3344 c = 19.088 β = 96.846° Z = 8 | [21] | |||
dpyam=di-2-pyridylamine; (μ2-Oxalato)-bis(di-2-pyridylamine)-dichloro-di-copper(ii) | Cu2(dpyam)2(μ-C2O4)(Cl)2 | triclinic | P1 | a=7.4122 b=8.6586 c=9.8002 α=87.900° β=72.022° γ=71.845° | [22] | |||
L = 3,5-dimethyl-1H-pyrazole | Cu2(C2O4)(L)2Cl2(MeOH)2 | triclinic | P1 | a=7.244 b=8.039 c=8.848 α=92.16° β=92.73° γ=96.21° | [23] | |||
bpy=bipyridine | [Fe(bpy)3]2[NbO(C2O4)3]Cl·11H2O | [24] | ||||||
[Fe(bpy)3]2[NbO(C2O4)3]Cl·12H2O | orthorhombic | P212121 | a=14.975 b=21.708 c=22.351 Z=4 | 7266 | 1.530 | dark red | [24] | |
[Co(bpy)3]2[NbO(C2O4)3]Cl·11H2O | monoclinic | P21/c | a=23.548 b=13.631 c=22.812 β=101.04 | 7187 | 1.536 | orange red | [24] | |
[Co(bpy)3]2[NbO(C2O4)3]Cl·12H2O | orthorhombic | P212121 | a=15.103 b=22.075 c=22.386 Z=4 | 7463 | 1.495 | brown | [24] | |
[Ni(bpy)3]2[NbO(C2O4)3]Cl·11H2O | monoclinic | P21/c | a=23.875 b=13.265 c=23.115 β=101.69 Z=4 | 7169 | 1.539 | pink | [24] | |
[Ni(bpy)3]2[NbO(C2O4)3]Cl·12H2O | orthorhombic | P212121 | 15.058 b=22.039 c=22.398 Z=4 | 7433 | 1.500 | dark pink | [24] | |
[Cu(bpy)3]2[NbO(C2O4)3]Cl·12H2O | orthorhombic | P212121 | a=15.035 b=22.267 c=22.538 Z=4 | 7545 | 1.487 | blue | [24] | |
[Zn(bpy)3]2[NbO(C2O4)3]Cl·11H2O | monoclinic | P21/c | 24.070 b=13.332 c=23.168 β=102.19 Z=4 | 7267 | 1.530 | pink | [24] | |
[Zn(bpy)3]2[NbO(C2O4)3]Cl·12H2O | [24] | |||||||
tris(Tetraethylammonium) tetrakis(μ3-sulfido)-(oxalato-O,O')-trichloro-cyano-tri-iron-molybdenum | (Et4N)5{[C2O4)MoFe3S4Cl2]2(μ-CN)(μ-S)} | monoclinic | P21/n | a=10.331 b=22.580 c=19.083 β=91.97° | double cubane structure | [25] | ||
(μ2-Oxalato)-dichloro-bis(η6-p-cymene)-di-ruthenium | [Ru2(µ-η4-C2O4)Cl2(η6-p-PriC6H4Me)2] | monoclinic | P21/n | a=7.571 b=8.998 c=16.528 β=95.52° Z=2 | 1120.73 | yellow | [26] | |
chloro-(oxalato)-tris(pyridine)-rhodium | mer-[Rh(C2O4)Cl(py)3] | orthorhombic | P212121 | a=9.9999 b=12.0930 c=14.9368 Z=4 | 1806.2 | 1.705 | yellow | [27] |
CHLOROPENTAAMMINECHROMIUM(III) BIS(OXALATO)PALLADATE | [Cr(NH3)5Cl][Pd(C2O4)2] | triclinic | a = 3.225 b = 10.290 c = 11.390 α = 116.5° β = 97.9° γ = 91.2° | 334.5 | [28] | |||
C(NH2)3Cd(C2O4)Cl(H2O)·H2O | triclinic | P1 | a=6.8136 b=7.4890 c=10.0515 α=84.082° β=77.806° γ=88.813° | band gap 3.76 eV | [29] | |||
SnC2O4Cl2 | [30] | |||||||
SnC2O4Cl2 . CuBr2 1/4EtOH | green | [30] | ||||||
SnC2O4Cl2 . CuCl2 . H2O | green | [30] | ||||||
SnC2O4Cl2 . CoBr2 1/8EtOH | rose colour | [30] | ||||||
(Et4N)2C2O4 . SnCl2F2 . 2H2O: | white | [30] | ||||||
(Me4N)2Sn(C2O4)Cl2 | white | [30] | ||||||
(Et4N)2Sn(C2O4)Cl2 .(Et4N)2C2O4(SnCl4)2 . EtOH | white | [30] | ||||||
Sn(C2O4)2 . 2[SnCl4 . (Pyridine)2] | white | [30] | ||||||
(Et4N)2SnCl6 . (Et4N)2C2O4 . 2SnC2O4(OH)2 | white | [30] | ||||||
(NH4)2Sb(C2O4)Cl3 | orthorhombic | P212121 | a=8.6961 b=8.7844 c=13.5956 Z=4 | 1038.57 | 2.253 | [31] | ||
K2Sb(C2O4)Cl3 | orthorhombic | P212121 | a=8.3966 b=8.6023 c=13,6342 Z=4 | 984.80 | 2.660 | [31] | ||
Rb2Sb(C2O4)Cl3 | orthorhombic | P212121 | a=8.6769 b=8.8485 c=13.8014 Z=4 | 1059.64 | 3.053 | birefringence 0.22@546 nm;NLO 2.1 × KH2PO4 | [31] | |
Ba2Mn2Cl2(C2O4)3·4H2O | monoclinic | C2/c | a=22.916 b=8.248 c=9.904 β=99.53° | [32] | ||||
Ba2Fe2Cl2(C2O4)3·4H2O | monoclinic | C2/c | a=22.798 b=8.297 c=9.849 β=99.90° | [32] | ||||
Ba2Co2Cl2(C2O4)3·4H2O | monoclinic | C2/c | a=22.675 b=8.230 c=9.757 β=100.00° | purple | [33][32] | |||
BaCd(C2O4)1.5Cl(H2O)2 | monoclinic | C2/c | a=23.101 b=8.253 c=10.040 β 99.14° | band gap 4.53 eV | [29] | |||
La(C2O4)Cl | monoclinic | P21/n | a=8.489 b=16.19 c=5.880 β=104.14° | [34][35] | ||||
La(C2O4)Cl·3H2O | [36] | |||||||
Ce(C2O4)Cl | [1] | |||||||
Ce(C2O4)Cl·3H2O | [36] | |||||||
Pr(C2O4)Cl·3H2O | stable to 163°C | [36][1] | ||||||
Nd(C2O4)Cl·3H2O | stable to 167°C; dec 510° to NdOCl | [36][1][37] | ||||||
Sm(C2O4)Cl·3H2O | stable to 174°C; dec at 347° to EuC2O4 | [36][1] | ||||||
Eu(C2O4)Cl·3H2O | stable to 178°C | [36][1] | ||||||
Gd(C2O4)Cl·3H2O | [36][38] | |||||||
(Et4N)2Sn(C2O4)Cl2 . (Et4N)2C2O4(SnCl4)2 . EtOH | [30] | |||||||
[(Me4N)2C2O4SnCl4]2 . [(Me4N)2Sn(C2O4)2Cl2]2 . Sn(WO4)2 | [30] | |||||||
[Pt(HC2O4)Cl3]2− | [39] | |||||||
[Pt(HC2O4)(C2O4)Cl]2− | [39] | |||||||
K2[Pt(C2O4)Cl2]·H2O | triclinic | P1 | a=7.136 b=7.308 c=10.130 α=86.75° β=74.58° γ=54.28° Z=2 | 457.7 | 3.27 | [40][39] | ||
[Pt(NH3)5Cl][Cr(C2O4)3] · 4H2O | orthorhombic | Pccn | a=38.901 b=13.7267 c=14.9141 | [41] | ||||
[Pt(NH3)5Cl][Fe(C2O4)3] · 4H2O | orthorhombic | Pccn | a=39.0123 b=13.7232 c=14.8990 | [41] | ||||
[Pt(NH3)5Cl][Co(C2O4)3] · 2H2O | monoclinic | P21 | a=8.5158 b=12.6409 c=8.5726 β=105.000° | [41] | ||||
lead chloride oxalate | Pb2Cl2(C2O4) | monoclinic | C2/m | a=5.9411 b=5.8714 c=9.4212 β=95.232° Z=2 | 327.26 | 5.82 | dec 350°C to Pb, Pb5O2Cl6 and Pb3O2Cl2 | [42] |
Th4Cl4(C2O4)6•20H2O | ||||||||
Plutonium(III) oxalato chloride | ?Pu(C2O4)Cl·3H2O | blue; biaxial (−) | [43] | |||||
Am(C2O4)Cl·3H2O | monoclinic | P21/n | a=5.852 b=15.823 c=8.351 β=104.243° | [44] |