Phosphate phosphite

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A phosphate phosphite is a chemical compound or salt that contains

mixed valence compounds
. Some have third anions.

Phosphate phosphites frequently occur as metal organic framework (MOF) compounds which are of research interest for gas storage, detection or catalysis. In these phosphate and phosphite form bridging ligands to hard metal ions. Protonated amines are templates.[1]

Naming

An phosphate phosphite compound may also be called a phosphite phosphate.

Production

Phosphate phosphite compounds are frequently produced by hydrothermal synthesis, in which a water solution of ingredients is enclosed in a sealed container and heated. Phosphate may be reduced to phosphite or phosphite oxidised to phosphate in this process.

Properties

On heating,

Related

Related to these are the

nitrite nitrates and arsenate arsenites
.

List

name formula ratio

PO4:PO3

mw
 system space group unit cell Å volume density properties references
1,4-diammoniumbutane [(H3N(CH2)4NH3)2][Sc5F4(HPO3)6(H2PO3)2(PO4)] 1:8 1300.8 monoclinic C2/m a=12.888 b=14.835 c=10.531 β=103.093 Z=2 @93K 1961.2 [2]
imidazole [C3N2H5]2[VIII4(H2O)3(HPO3)4(HPO4)3] 3:4 1003.766 trigonal P3c1 a=13.499 c=18.120 Z=12 2280.35 2.143 green [3]
(C3H10NO)6[V8(H2O)6(PO4)2(HPO3)12] 2:12 P3c1 a=13.5393 c=18.2283 2893.8 green [4]
(C4H8N2)3[V8(H2O)6(PO4)2(HPO3)12] 2:12 P3c1 a=13.4922 c=18.3589 2894.3 green [4]
Mn5(μ-OH2)2(PO4)2(HPO3)2·2H2O 2:2 [5]
Iron(III) 2,2'-bipyridine Phosphite−Phosphate [FeIII(2,2'-bipyridine)(HPO3)(H2PO4)] 1:1 monoclinic a=10.5407 b=6.4298 c=10.6172 β=113.890 Z=2 1.878 colourless [6]
FeIII(1,10-phenanthroline)(HPO3)(H2PO3) 1:1 monoclinic P21/m a = 10.180, b = 6.424, c = 11.6668, β = 115.59°, Z = 4, 668.2 1.880 yellow [7]
{[C3H4N2]2[C5NH5]14[H15(Mo2O4)8Co16(PO4)14(HPO3)10(OH)3]}·5H2O 14:10 6685.09 monoclinic C2/m a=29.724 b=24.623 c=20.687 β=126.760 Z=2 12130 1.830 red [8]
tris (4-pyridyl) triazine zinc phosphate–phosphite C54 H60 N18 O42 P10 Zn9 ? 2531.23 hexagonal P63 a=15.6464 c=19.788 Z=2 4195.2 yellow [9]
1-(2-Aminoethyl) piperazine tetrazinc diphosphate diphosphite (C6H17N3)[Zn4(PO4)2(HPO3)2] 2:2 monoclinic Cc a=5.327, b=17.146, c=22.071, β=94.58°, Z=4 2009.5 [10]
Zinc Phosphate-phosphite (trans-C6H15N2)2Zn4(PO4)2(HPO3)2 (C6H15N2)2Zn4(PO4)2(HPO3)2 2:2 841.78 monoclinic P21/n a=9.706 b=9.993 c=27.557 β=96.795 Z=4 2654.0 2.107 [11]
1,3-cyclohexanebis(methylamine); [H2CHBMA][Zn1.5Mn(HPO3)2.5(PO4)]•5H2O 1:5 monoclinic C2/c a=33.929, b=13.045, c=8.971, β=104.37°, Z=2 3846.5 [12]
2-hydroxypropylammonium dizinc hydrogenphosphite phosphate [C3H6(OH)NH3][Zn2(HPO3)(PO4)] 1:1 triclinic P1 a =5.302 b =8.934 c =12.686, α =74.35° β =88.54° γ =73.94° [13]
TJPU-3Mn

(bis(Cyclohexane-1,3-bis(methylammonium)) bis(μ4-phosphato)-tetrakis(μ3-hydrogen phosphito)-manganese-tetra-zinc dihydrate)

[H2CHBMA][Zn2Mn0.5(PO4)(HPO3)2]·H2O 1:2 monoclinic C2/c a = 33.929, b = 13.045, c = 8.971, β = 104.37°, Z = 4 3846 [14]
triethylenetetramine [C6N4H22]0.5[Zn3(PO4)2(HPO3)] 2:1 [15]
zinc potassium phosphitephosphate [16]
N,N,N′,N′-tetramethylenediamine (TMEDA) (C6N2H18)2(C6N2H17)Ga15(OH)8(PO4)2(HPO4)12(HPO3)6·2H2O 14:6 P3 a = 19.046, c = 8.331, Z = 1 2617.1 [17]
Zirconium phosphate phosphite γ-ZrPO4·HPO2(OH)·2H2O 1:1 layered [18]
phen = 1,10-phenanthroline Cd2(phen)2(H2PO4)(H2PO3)(C2O4) 1:1 chains [19]
catena-(tris(hexane-1,6-diaminium) octakis(μ3-phosphonato)-hexakis(μ3-phosphato)-tris(μ2-hydrogen phosphato)-hexa-aqua-nona-indium [In9(H2O)6(HPO3)13(H2PO3)2(PO4)(HPO4)][(C6N2H18)3] 2:15 hexagonal P63/m a=13.7676 c=28.062 [20]
4-bipyridine (C10H10N2)1.5(H3O)3[In18(H2O)12(HPO4)12(HPO3)16(H2PO3)6] 12:16 hexagonal P63/m a = 13.784, c = 28.058 4617 [21]
catena-(bis(propane-1,3-diammonium) octakis(μ3-phosphito)-pentakis(μ2-hydrogen phosphito)-(μ2-dihydrogen phosphato)-hexa-indium) [In6(HPO3)8(H2PO3)5(H2PO4)]·(C3N2H12)2 1:11 orthorhombic Pna21 a = 26.7974, b = 9.8459, c = 18.5441, Z = 4 4892.8 [22]
Pb2Al(HPO3)3(H2PO4) 1:3 orthorhombic Cmcm [23]
Pb2Ga(HPO3)3(H2PO4) 1:3 orthorhombic Cmcm
Pb2Al(HPO3)2(HPO4)(H2PO4) 2:2 orthorhombic Cmcm
Rubidium Uranium(VI/IV) Phosphate-Phosphite Rb2[(UO2)2(UIV)(PO4)2(HPO3)2(H2O)] 2:2 1316.94 monoclinic C2/c a=16.2421 b=10.5049 c=11.0936 β=98.745 1870.8 4.702 orange-yellow [24]
Cesium Uranium(IV) Phosphate-Phosphite Cs2[UIV3(PO4)2(HPO3)4] 2:4 1489.76 monoclinic C2/m a=25.7396 b=5.5906 c=7.6334 β=98.964 Z=2 1085.03 4.560 blue-green [24]
Cesium Uranium(VI/IV) Phosphate-Phosphite Cs2[(UO2)(UIV)(HPO4)2(HPO3)2] 2:2 1123.78 triclinic P1 a=6.8571 b=11.1190 c=12.0391 alpha=63.861 beta=77.481 gamma=79.331 Z=2 800.22 4.664 Yellow-Orange [24]
Cs4[(UO2)8(HPO4)5(HPO3)5]·4H2O 5:5 monoclinic C2/c a 18.5005Å b 10.971 c 14.4752, β 104.513° yellow [25]
Cs4[UIV6(PO4)8(HPO4)(HPO3)] 9:1 orthorhombic Pmmn a 6.9321 b 26.935 c 10.9137 pale green [25]
Cs10[UIV10(PO4)4(HPO4)14(HPO3)5]·H2O 15:5 monoclinic C2/m a 19.2966 b 20.2914 c 13.9293 β 126.839° green [25]
Tl3[(UO2)2(H1.5PO4)(H0.5PO4)(H1.5PO3)2] 2:2 1503.07 tetragonal P42/mbc a=13.5382 c=19.4008 Z=8 3555.8 5.615 Yellow-green [26]
Tl2[(UO2)2(UIV)(H2O)(PO4)2(HPO3)2] 2:2 1550.71 monoclinic C2/c a=16.2360 b=10.4995 c=11.0003 β=99.027 Z=4 1851.99 5.562 light green [26]

References

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  23. ^ 李, 天予 (2020-07-17). "含鉛離子和三價金屬陽離子之混亞磷酸 -磷酸鹽化合物合成及結構和性質探討".
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