Identifiers | |
---|---|
3D model (JSmol) |
|
ChemSpider |
|
| |
| |
Properties | |
BO7P−6 | |
Molar mass | 153.78 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Borate phosphates are mixed anion compounds containing separate borate and phosphate anions. They are distinct from the borophosphates where the borate is linked to a phosphate via a common oxygen atom. The borate phosphates have a higher ratio of cations to number of borates and phosphates, as compared to the borophosphates. [1]
There are also organic esters of both borate and phosphate, e.g. NADH-borate. [2]
In the high temperature method, ingredients are heated together at atmospheric pressure. Products are anhydrous, and production or borophosphates is likely. [3]
The boron flux method involves dissolving ingredients such as an ammonium phosphate and metal carbonate in an excess of molten boric acid. [3]
Borate phosphates are of research interest for their optical, electrooptical or magnetic properties. [3]
chem | mw | crystal system | space group | unit cell Å | volume | density | comment | references | |
---|---|---|---|---|---|---|---|---|---|
Be3(BO3)(PO4) | hexagonal | SHG | [1] [4] | ||||||
α-Mg3[BPO7] | orthorhombic | Immm | a=8·495, b=4·886, c=12·565 Z=4 | [5] | |||||
Mg3[BPO7] | monoclinic | Cm | [3] | ||||||
Mg3[BPO7] | hexagonal | P6_2m | [3] | ||||||
Lüneburgite | Mg3[B2(OH)6](PO4)2 · 6H2O | triclinic | 2.05 | Biaxial (-) nα = 1.520 – 1.522 nβ = 1.540 – 1.541 nγ = 1.545 – 1.548 2V 52° to 60° Max birefringence δ = 0.025 – 0.026 | [6] [7] | ||||
Ca3[BPO7] | monoclinic | a=8.602 b=4.891 c=12.806 β=102.30 | [5] | ||||||
Seamanite | Mn2+3[B(OH)4](PO4)(OH)2 | orthorhombic | Pbnm | a = 7.81 Å, b = 15.11 Å, c = 6.69 Å Z=4 | 789.48 | 3.08 | Biaxial (+) nα = 1.640 nβ = 1.663 nγ = 1.665 2V 40° Max birefringence δ = 0.025 | [8] [9] | |
Laptevite-(Ce) | Ca6(Fe2+,Mn2+)Y3REE7(SiO4)3(PO4)(B3Si3O18)(BO3)F11 | trigonal | R3m | a = 10.804, c = 27.726 Z=3 | 2802.6 | 4.61 | Uniaxial (-) nω = 1.741 nε = 1.720 Max birefringence δ = 0.021 | [10] | |
(CoPO4)4, B5O6(OH)4N(CH3)4(CH3NH3) | 1036.10 | orthorhombic | I222 | a=6.7601 b=7.5422 c=34.822 Z=2 | 1775.4 | 1.938 | red | [11] | |
Co3[BPO7] | monoclinic | Cm | a=9.774, b=12.688, c=4.9057, β=119.749°; Z=4 | 528.2 | purple | [3] | |||
α-Zn3[BPO7] | 349.89 | orthorhombic | a=8.438 b=4.884 c=12.558 | [5] | |||||
α-Zn3[BPO7] | 349.89 | monoclinic | Cm | a=9.725 b=12.720 c=4.874 β=119.80 Z=4 | [3] [12] | ||||
β-Zn3[BPO7] | 349.89 | hexagonal | P-6 | a=8.4624 c=13.0690 Z=6 | 810.51 | 4.301 | colourless | [3] [13] | |
α-Sr3[BPO7] | orthorhombic | a=9.0561, b=9.7984, c=13.9531 | [14] | ||||||
Sr10[(PO4)5.5(BO4)0.5](BO2) | P3_ | a=9.7973, c=7.3056, Z=1 | 607.29 | [15] | |||||
SrCo2(BO3)(PO4) | 359.26 | monoclinic | P21/c | a=6.485 b=9.270 c=10.066 β=111.14 Z=4 | 548.7 | 4.349 | red | [1] [16] | |
Byzantievite | Ba5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4[(PO4, SiO4)]4(BO3)9O22[(OH),F]43(H2O)1.5 | trigonal | R3 | a = 9.1202, c = 102.145 | 7,357.9 | 4.10 | Uniaxial (-) nω = 1.940 nε = 1.860 Max birefringence δ = 0.080 16 different layers in structure | [17] [18] | |
Rhabdoborite | Mg12(V5+,Mo6+,W6+)1 · 5O6{[BO3]6-x[(P,As)O4]xF2-x} (x < 1) | hexagonal | P63 | a = 10.6314, c = 4.5661 | 446.95 | [19] | |||
CsNa2Y2(BO3)(PO4)2 | 605.46 | orthorhombic | Cmcm | a=6.9491 b=14.907 c=10.6201 Z=4 | 1100.2 | 3.655 | colourless | [20] | |
CsZn4(BO3)(PO4)2 | 679.30 | orthorhombic | Pbca | a=14.49 b=10.02 c=16.45 Z=8 | 2388 | 3.779 | colourless | [21] | |
Ba3(BO3)(PO4) | hexagonal | P63mc | a=5.4898, c=14.7551, Z=2 | [1] [22] | |||||
Ba3(BO3)(PO4) | monoclinic | P2/m | a = 11.7947, b = 9.6135, c = 12.9548, β= 111.25° | 1369.08 | [23] | ||||
Ba11B26O44(PO4)2(OH)6 | monoclinic | P21/c | a=6.891, b=13.629, c=25.851, β=90.04° | [24] | |||||
Ba3(ZnB5O10)PO4 | 786.41 | orthorhombic | Pnm21 | a = 10.399 b = 7.064 c = 8.204 Z=2 | 602.6 | 4.334 | [25] | ||
La7O6(BO3)(PO4)2 | monoclinic | a=7.019 b=17.915 c=12.653 β=97.52 | 1577.27 | [1] [26] | |||||
Pr7O6(BO3)(PO4)2 | monoclinic | P121/n1 | a=6.8939 b=17.662 c=12.442 β=97.24 Z=4 | 1502.9 | green | [1] [27] | |||
Nd7O6(BO3)(PO4)2 | monoclinic | a=6.862 b=17.591 c=12.375 β=97.18 | 1482.12 | [1] [26] | |||||
Sm7O6(BO3)(PO4)2 | monoclinic | P121/n1 | a=6.778 b=17.396 c=12.218 β=96.96 Z=4 | 1430.0 | yellow | [1] [27] | |||
CsNa2Sm2(BO3)(PO4)2 | 728.34 | orthorhombic | Cmcm | a=7.0631 b=15.288 c=10.725 Z=4 | 1158.1 | 4.177 | colourless | [28] | |
CsNa2Ho2(BO3)(PO4)2 | [29] | ||||||||
CsNa2Er2(BO3)(PO4)2 | [29] | ||||||||
CsNa2Tm2(BO3)(PO4)2 | [29] | ||||||||
Gd7O6(BO3)(PO4)2 | monoclinic | a=6.704 b=17.299 c=12.100 β=96.94 | 1393.11 | [1] [26] | |||||
Dy7O6(BO3)(PO4)2 | monoclinic | a=6.623 b=17.172 c=11.960 β=96.76 | 1350.84 | [1] [26] | |||||
K3Yb[OB(OH)2]2[HOPO3]2 | R3_ | a=5.6809, c=36.594 Z=3 | 1022.8 | [1] [30] | |||||
CsNa2Yb2(BO3)(PO4)2 | [29] | ||||||||
K3Lu[OB(OH)2]2[HOPO3]2 | R3_ | a=5.6668, c=36.692 Z=3 | 1020.4 | [1] [30] | |||||
CsNa2Lu2(BO3)(PO4)2 | 777.58 | orthorhombic | Cmcm | a = 6.8750 b = 14.6919 c = 10.5581 | 1066.44 | 4.843 | |||
Pb4O(BO3)(PO4) | 998.54 | monoclinic | P21/c | a=10.202 b=7.005 c=12.92 β=113.057 Z=4 | 849.6 | 7.807 | colourless | [31] | |
LiPb4(BO3)(PO4)2 | 1084.85 | orthorhombic | Pbca | a=12.613 b=6.551 c=25.63 Z=8 | 2095 | 6.875 | colourless | [1] | |
Bi4O3(BO3)(PO4) | 1037.70 | orthorhombic | Pbca | a=5.536 b=14.10 c=22.62 Z=8 | 1766 | 7.807 | colourless | [31] | |
Th2[BO4][PO4] | monoclinic | P21/c | a=8.4665, b=7.9552, c=8.2297, β= 103.746° Z = 4 | [32] | |||||
Ba5[(UO2)(PO4)3(B5O9)]·nH2O | interlocking nanotubes; absorbs water from air | [33] | |||||||
U2[BO4][PO4] | 645.84 | monoclinic | P21/c | a = 8.546, b = 7.753, c = 8.163 β = 102.52° Z=4 | 528.0 | 8.12 | generated at 12.5 GPa + 1000 °C; emerald green | [34] | |
[Sr8(PO4)2][(UO2)(PO4)2(B5O9)2] | 1746.97 | monoclinic | P21/n | a = 6.5014, b =22.4302, c =9.7964 β = 90.241° Z=2 | 1428.57 | 4.061 | orange | [35] | |
A borate is any of a range of boron oxyanions, anions containing boron and oxygen, such as orthoborate BO3−3, metaborate BO−2, or tetraborate B4O2−7; or any salt of such anions, such as sodium metaborate, Na+[BO2]− and borax (Na+)2[B4O7]2−. The name also refers to esters of such anions, such as trimethyl borate B(OCH3)3 but they are alkoxides.
Langbeinites are a family of crystalline substances based on the structure of langbeinite with general formula M2M'2(SO4)3, where M is a large univalent cation, and M' is a small divalent cation. The sulfate group, SO2−4, can be substituted by other tetrahedral anions with a double negative charge such as tetrafluoroberyllate, selenate, chromate, molybdate, or tungstates. Although monofluorophosphates are predicted, they have not been described. By redistributing charges other anions with the same shape such as phosphate also form langbeinite structures. In these the M' atom must have a greater charge to balance the extra three negative charges.
The borate fluorides or fluoroborates are compounds containing borate or complex borate ions along with fluoride ions that form salts with cations such as metals. They are in the broader category of mixed anion compounds. They are not to be confused with tetrafluoroborates (BF4) or the fluorooxoborates which have fluorine bonded to boron.
The fluoride phosphates or phosphate fluorides are inorganic double salts that contain both fluoride and phosphate anions. In mineralogy, Hey's Chemical Index of Minerals groups these as 22.1. The Nickel-Strunz grouping is 8.BN.
The borate carbonates are mixed anion compounds containing both borate and carbonate ions. Compared to mixed anion compounds containing halides, these are quite rare. They are hard to make, requiring higher temperatures, which are likely to decompose carbonate to carbon dioxide. The reason for the difficulty of formation is that when entering a crystal lattice, the anions have to be correctly located, and correctly oriented. They are also known as carbonatoborates or borocarbonates. Although these compounds have been termed carboborate, that word also refers to the C=B=C5− anion, or CB11H12− anion. This last anion should be called 1-carba-closo-dodecaborate or monocarba-closo-dodecaborate.
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.
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.
The borotellurates are heteropoly anion compounds which have tellurate groups attached to boron atoms. The ratio of tellurate to borate reflects the degree of condensation. In [TeO4(BO3)2]8- the anions are linked into a chain. In [TeO2(BO3)4]10− the structure is zero dimensional with isolated anions. These arrangements of oxygen around boron and tellurium can have forms resembling silicates. The first borotellurates to be discovered were the mixed sodium rare earth compounds in 2015.
Borate sulfates are mixed anion compounds containing separate borate and sulfate anions. They are distinct from the borosulfates where the borate is linked to a sulfate via a common oxygen atom.
Borate nitrates are mixed anion compounds containing separate borate and nitrate anions. They are distinct from the boronitrates where the borate is linked to a nitrate via a common oxygen atom.
The borate bromides are mixed anion compounds that contain borate and bromide anions. They are in the borate halide family of compounds which also includes borate fluorides, borate chlorides, and borate iodides.
Selenogallates are chemical compounds which contain anionic units of selenium connected to gallium. They can be considered as gallates where selenium substitutes for oxygen. Similar compounds include the thiogallates and selenostannates. They are in the category of chalcogenotrielates or more broadly chalcogenometallates.
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,
The oxalate phosphates are chemical compounds containing oxalate and phosphate anions. They are also called oxalatophosphates or phosphate oxalates. Some oxalate-phosphate minerals found in bat guano deposits are known. Oxalate phosphates can form metal organic framework compounds.
A phosphate phosphite is a chemical compound or salt that contains phosphate and phosphite anions (PO33- and PO43-). These are mixed anion compounds or mixed valence compounds. Some have third anions.
The oxalate phosphites are chemical compounds containing oxalate and phosphite anions. They are also called oxalatophosphites or phosphite oxalates. Oxalate phosphates can form metal organic framework compounds.
Sulfidogermanates or thiogermanates are chemical compounds containing anions with sulfur atoms bound to germanium. They are in the class of chalcogenidotetrelates. Related compounds include thiosilicates, thiostannates, selenidogermanates, telluridogermanates and selenidostannates.
The phosphate sulfates are mixed anion compounds containing both phosphate and sulfate ions. Related compounds include the arsenate sulfates, phosphate selenates, and arsenate selenates.
Terbium compounds are compounds formed by the lanthanide metal terbium (Tb). Terbium generally exhibits the +3 oxidation state in these compounds, such as in TbCl3, Tb(NO3)3 and Tb(CH3COO)3. Compounds with terbium in the +4 oxidation state are also known, such as TbO2 and BaTbF6. Terbium can also form compounds in the 0, +1 and +2 oxidation states.