Selenidogermanates are compounds with anions with selenium bound to germanium. They are analogous with germanates, thiogermanates, and telluridogermanates. [1]
name | formula | formula weight | crystal system | space group | cell dimensions | volume | density | comment | ref |
---|---|---|---|---|---|---|---|---|---|
GeSe2 | [2] | ||||||||
Ge4Se9 | orthorhombic | Pca21 | a 17.8204 b 7.0029 c 12.0854 | [2] | |||||
Li3Ge3Se6 | triclinic | P1 | a 6.7728 b 8.6804 c 10.6300 α 74.519° β 76.334° γ 69.185° | [3] | |||||
[Li4(H2O)16][Ge4Se10]·4.33H2O | monoclinic | P21 | a=10.2246 b=20.4503 c=28.7242 β=97.850° | [4] | |||||
{Li4(thf)12}Ge4Se10 | monoclinic | C2/c | a=24.845 b =12.692 c=25.625 β=119.00° | [4] | |||||
[Li2(H2O)8][MnGe4Se10] | tetragonal | I4 | a=9.103 c =15.130 | [4] | |||||
[NH4]2[H2N(CH3)2]2Ge2Se6 | monoclinic | P21/n | a 13.503 b 7.777 c 19.583 β 106.03° | [5] | |||||
(N2H5)4Ge2Se6 | tetragonal | I41cd | a = 12.708 c = 21.955 Z = 8 | [6] | |||||
[NEt4]2[enH]2[Ge2Se6] | triclinic | P1 | a = 7.805, b = 10.747, c = 11.445, α = 110.33°, β = 97.19°, γ = 92.62° V = | 889.0 | [7] | ||||
tetrakis(Tripropylammonium) hexakis(μ2-selenido)-tetrakis(selenoxo)-tetra-germanium(iv) | monoclinic | P21/c | a 18.759 b 16.104 c 21.211 β 108.52° | [8] | |||||
(C2C1Im)4[Ge4Se10] | 1524.63 | tetragonal | P42/n | a=13.675 c=12.042 Z=2 | 2251.9 | 2.249 | yellowish | [1] | |
1-Ethyl-3-methyl-imidazolium | (C2C1Im)6[Ge8Se19]; | 2747.96 | triclinic | P1 | a=10.2607 b=17.6852 c=21.994 α=100.889 β= 95.600 γ=105.240 Z=2 | 3735.5 | 2.443 | yellowish | [1] |
(C2C1Im)6[Ge8Se19] | 2747.96 | monoclinic | P121/c1 | a=22.206 b=9.544 c=36.823 β=105.37 Z=4 | 7524.8 | 2.426 | yellow | [1] | |
(C2C1Im)8[Ge16Se36] | 4893.34 | monoclinic | C12/c1 | a=20.527 b=28.744 c=19.720 β=94.640 Z=4 | 11597 | 2.803 | yellow | [1] | |
2(C2C1Im)6[Ge12Se27] | 7340.01 | monoclinic | P121/n1 | a=14.834 b=30.647 c=20.465 β=107.603 Z=2 | 8868 | 2.749 | red | [1] | |
(C4C1im)+2{[SnII(GeIV4Se10)]2−} | monoclinic | P21/n | a 9.9685 b 26.2588 c 13.9736 β 98.766° | [9] | |||||
Na2GeSe3 | monoclinic | P21/c | a =7.097 b=16.068 c=6.073 β =113.69° Z=4 | 3.72 | yellow | [10] | |||
Na4GeSe4 | orthorhombic | Pnma | a = 28.518 b=9.447 c=7.128 Z=8 | orange-yellow | [11] | ||||
Na4[Ge4Se10] | orthorhombic | Cmcm | a=13.507 b=13.363 c=11.034 Z=4 | 1881.6 | [12] | ||||
Na4Ge(Se2)4 | red | [13] | |||||||
Na6Ge2Se6 | monoclinic | P21 | a = 8.367 b = 11.924 c = 8.158 β = 118.6° | [14] | |||||
Na6Ge2Se7 | monoclinic | C2/c | a=9.451 b=10.914 c=15.874 β=104.7° | 3.51 | yellow | [15] [16] | |||
Na8Ge4Se10 | triclinic | P1 | a = 7.074 b = 8.098 c = 10.657 α = 73.4° β = 70.8° γ= 81.7° | [14] | |||||
Na8Ge4Se10 | monoclinic | P21/c | a = 13.104 b=12.057 c=14.101 β= 92.9° Z=4 | 3.77 | orange yellow | [10] | |||
[Na4(H2O)14][GeSe4] | monoclinic | C2 | a = 12.862, b = 11.205, c = 8.141 Å, β = 107.40° | [17] | |||||
Na4Ge2Se6 · 16 H2O | monoclinic | P21/c | a = 9.894 b = 11.781 c = 12.225 β = 92.90° Z = 2 | [18] | |||||
Na6Ge2Se6 · 4 CH3OH | [19] | ||||||||
Na3GeSe3Br | [20] | ||||||||
Mg2GeSe4 | 437.05 | orthorhombic | Pnma | a 13.50 b 7.85 c 6.37 Z=4 | 675 | 4.302 | yellow | [21] | |
Li2MgGeSe4 | orthorhombic | Pmn21 | a = 8.2961 b = 7.0069 c = 6.6116, Z = 2 | 384.33 | 3.686 | yellow | [22] | ||
Na4MgGe2Se6 | 735.21 | monoclinic | C2 | a 7.722 b 11.994 c 7.096 β 106.66° Z=2 | 629.7 | 3.878 | orange-yellow | [23] | |
K2GeSe4 | monoclinic | P21/c | a=11.989 b=8.275 c=8.915 β=106.38° Z=4 | 848.8 | 3.65 | orange | [24] | ||
K2Ge4Se8 | monoclinic | P21/c | a=7.3752 b=12.239 c=17.468 β=96.102°, Z=4 | 1156.8 | band gap 1.8 eV | [25] | |||
K4[GeSe4] | cubic | P43n | a=13.1893 | [26] | |||||
[K4(H2O)4][GeSe4] | triclinic | P1 | a 7.8695 b 7.9576 c 12.314, α 80.24° β 87.66° γ 74.07° | [26] | |||||
[K4(H2O)3][Ge2Se6] | monoclinic | P21/c | a 14.583 b 8.3858 c 14.17 β 96.27° | [26] | |||||
[K4(H2O)3][Ge4Se10] | [1] | ||||||||
K6Ge2Se6 | monoclinic | C2/c | a=9.076 b=12.851 c=8.480 β=116.76° | [27] | |||||
[V(en)2(ea)]2[Ge2Se6] | monoclinic | P21/n | a 8.733 b 13.432 c 13.583 β 91.486° Z=4 | 1592.8 | 2.256 | red | [28] | ||
[V(teta)(ea)]2[Ge2Se6] | monoclinic | P21/n | a 9.0574 b 14.209 c 13.1189° β 91.384° Z=4 | 1687.8 | 2.232 | red | [28] | ||
[V2(en)6(μ-O)][Ge2Se6] | triclinic | P1 | a 9.448 b 10.178 c 10.436 α 109.090° β 104.169° γ 111.520° Z=1 | 802.7 | 2.271 | brown | [28] | ||
Na2MnGe2Se6 | 1439.72 | tetragonal | I4/mcm | a = 7.772 c = 19.077 Z = 2 | 1152.3 | 4.150 | @153K band gap 1.93 eV; brown | [29] | |
Na8Mn2(Ge2Se6)2 | monoclinic | C2 | a 7.727 b 11.943 c 7.085 β 106.682° | band gap 1.95 eV | [30] | ||||
K2MnGe2Se6 | tetragonal | I4/mcm | a =8.1315 c =18.877 | [31] | |||||
[Mn(en)3]2Ge2Se6 | monoclinic | P21/n | a 9.058 b 16.319 c 11.628 β 92.264° | [32] | |||||
(enH2)[{Mn(en)2(enH)}2(μ-en)](Ge2Se7)2 | orthorhombic | Pbca | a 15.816 b 13.638 c 24.677 | [33] | |||||
[Mn(dien)2]2Ge2Se7 | monoclinic | P21/c | a 16.489 b 14.524 c 15.860 β 101.03° | [33] | |||||
[{Mn(tepa)}2(μ-Ge2Se6)] | tetragonal | I 41/a | a=26.387 c 9.9435 | [34] | |||||
[K2(H2O)3][MnGe4Se10] | tetragonal | I4 | a=8.988 c=15.49 | [35] | |||||
Bis(trimethylammonium) decaselenidotetragermanatomanganate(II) | [(CH3)3NH]2[MnGe4Se10] | tetragonal | I4 | a 9.559 c 14.808 | [36] | ||||
[Fe(dien)2]2Ge2Se6 | monoclinic | P21/n | a 12.426 b 9.312 c 15.385 β 101.422° | [32] | |||||
[{Fe(tepa)}2(μ-Ge2Se6)] | tetragonal | I 41/a | a 26.285 c 9.882 | [34] | |||||
K2FeGe3Se8 | monoclinic | P21 | a 7.409 b 12.268 c 34.974 β 96.04° | band gap 1.95 eV | [37] | ||||
[Ni(dien)2]2Ge2Se5(Se2) | monoclinic | P21/c | a 15.741 b 14.463 c 16.390 β 103.03° | [5] | |||||
[{Ni(tepa)}2(μ-Ge2Se6)] | tetragonal | I41/a | a=26.001 c=9.708 | [5] | |||||
triethylenetetramine | [Ni(teta)2]2Ge4Se10·0.5H2O | monoclinic | P21/c | a 21.202 b 13.345 c 20.872 β 107.46° | [38] | ||||
(enH2)5[Cu16Ge6Se19(Se2)6]·en | cubic | Pa3 | a=a 20.8113 Z=12 | [39] | |||||
[(CH3)2NH2]6[Cu8Ge6Se19]·0.25H2O | Im3 | a=22.43070 | [39] | ||||||
[NH3CH3]0.75Cu1.25GeSe3 | tetragonal | P421m | a=12.9345 c 8.9057 | [40] | |||||
decakis(1-ethyl-3-methyl-1H-imidazol-3-ium) hexakis(μ-cyanido)-nonatriacontakis(μ-selenido)-selenido-hepta-copper(i)-hexadeca-germanium(iv)-penta-sodium | (C2C1Im)10[Na5(CN)6@Cu6(Ge4Se10)4(Cu)] | triclinic | P1 | a 19.2790 b 20.4268 c 23.2357 α 105.275° β 93.657° γ 115.206° Z=2 | 7822.6 | 2.610 | red | [41] | |
decakis(1-ethyl-3-methyl-1H-imidazol-3-ium) hexakis(μ-cyanido)-nonatriacontakis(μ-selenido)-selenido-hepta-copper(i)-hexadeca-germanium(iv)-penta-sodium | (C2C1Im)10[Na5(CN)6@Cu6(Ge4Se10)4(Cu)] | 6147.36 | triclinic | P1 | a 20.3454 b 20.8202 c 23.120 α 72.172° β 68.184° γ 60.802° Z=2 | 7842.1 | 2.472 | red | [41] |
1,2-dap = 1,2-diaminopropane | [Mn(1,2-dap)2][Cu2GeSe5] | monoclinic | P21/c | a 6.673 b 18.210 c 15.070 β 96.078° | [42] | ||||
[Cu2GeSe5][Mn(Hen)2(en)] | monoclinic | P21/c | a 9.6327 b 20.6934 c 10.3704 β 100.646° | band gap 1.69 eV | [43] | ||||
tren = tris(2-aminoethyl)amine | [Ni(tren)(en)]2∙[Cu2GeSe5]2 | orthorhombic | P212121 | a 9.8574 b 13.0311 c 32.77 | [42] | ||||
[Ni(dien)2]2Ge2Se5(Se2) | monoclinic | P21/c | a=15.741 b=14.463 c=16.390 β=103.03(3)° | [5] | |||||
{Ni(tepa)}2(μ-Ge2Se6) | tetragonal | I41/a | a=26.001 c=9.7079 | [5] | |||||
[NH3CH3]0.75Cu1.25GeSe3 | tetragonal | P421m | a 12.9345 c 8.9057 | [40] | |||||
Na2ZnGe2Se6 | tetragonal | I4/mcm | a 7.757 c 18.734 | band gap 2.36 eV | [44] [45] | ||||
Cu2ZnGeSe4 | tetragonal | I4 | band gap 1.38; air stable; SHG 43 pm/V at λ = 2900 nm | [46] | |||||
Cu4ZnGe2Se7 | monoclinic | C2 | a 12.3443 b 5.6195 c 8.7904 β 98.693° | band gap 0.91 eV; air stable | [46] | ||||
N-(2-aminoethyl)piperazine | (H2NC4H8NCH2CH2NH2)(HNCH2CH2NH2)3Zn2Ge2Se8 | orthorhombic | P21212 | a=18.928 b=30.849 c=6.3954 | [47] | ||||
[NH4]2Ga4Se8Ge4 | monoclinic | P21/c | [48] | ||||||
NaGaGe3Se8 | monoclinic | P21/c | a 7.233 b 11.889 c 17.550 β 101.75° Z=4 | 1477.5 | 4.235 | orange | [49] | ||
K2Ga2Ge2Se8 | monoclinic | P21/c | a 7.3552 b 12.4151 c 17.6213 β 97.026° Z=4 | 1597.02 | 4.136 | yellow | [50] | ||
K3Ga3Ge7Se20 | 2413.79 | monoclinic | P21/c | a 7.0520 b 39.033 c 6.9488 β 90.433° Z=2 | 1912.67 | 4.191 | orange | [49] | |
K3Ga3(Ge4.95Si2.05)Se20 | monoclinic | Pc | a 7.0101 b 38.928 c 6.9594 β 90.531° | [51] | |||||
Rb2GeSe4 | 559.4 | monoclinic | P2/m | a=7.390 b=3.704 c=8.623 β=104.87 Z=1 | 228.1 | 4.07 | orange-brown | [24] | |
Rb4Ge4Se10 | monoclinic | C2/c | a = 16.095 b = 16.09 c = 9.390 β= 105.79° | [52] | |||||
Rb4Ge4Se12 | orthorhombic | Pna21 | a 14.870 b 13.800 c 12.445 Z=4 | 2554 | 4.109 | red | [53] | ||
Rb4Ge4Se10 • CH3OH | 1453.9 | monoclinc | C2 | a=17.099 b=9.287 c=9.503 β=118.49 Z=2 | 1326.3 | 3.64 | yellow | [24] | |
Rb2MnGe3Se8 | orthorhombic | P212121 | a 7.2756 b 12.1668 c 16.8351 | [54] | |||||
Rb2[MnGe4Se10]·3H2O | tetragonal | [55] | |||||||
Rb3(AlSe2)3(GeSe2)7 | monoclinic | P21/c | a = 7.0580 b = 39.419 c = 7.0412 β = 90.360° Z = 2 | #190K; band gap 2.4 eV | [56] | ||||
RbGaGeSe4 | orthorhombic | Pnma | a=17.5750 b= 7.4718 c= 12.4449 Z=8 | 1634.23 | 4.419 | colourless; air sensitive | [50] | ||
γ-Sr2GeSe4 | orthorhombic | Ama2 | a = 10.284 b = 10.543 c = 7.411 Z=4 | [57] [58] | |||||
Strontium Selenogermanate(III) | Sr2Ge2Se5 | monoclinic | P21/n | a=8.445 b=12.302 c=9.179 β=93.75° Z=4 | Ge-Ge bond | [59] | |||
tepa=tetraethylenepentamine | (H2peha)[Y2(μ-OH)2(tepa)2Cl2]{[Y2(μ-OH)2(tepa)2Cl]2(μ-Ge2Se6)}[Ge2Se6]Cl2 | triclinic | P1 | a 9.1861 b 17.3698 c 19.5422 α 103.218° β 95.414° γ 101.439° | [60] | ||||
Y2(tepa)2(μ-OH)2(μ-Ge2Se6)]·H2O | monoclinic | C2/c | a 21.87 b 12.245 c 18.724 β 127.58° | [61] | |||||
AgxNa(6-x)Ge2Se7x=1.76 | [62] | ||||||||
AgxNa(8-x)Ge4Se10 | C2/c | [62] | |||||||
K2Ag2GeSe4 | orthorhombic | Fddd | a 6.613 b 13.776 c 21.822 | [63] | |||||
Ag2FeGeSe4 | orthorhombic | [64] | |||||||
AgGaGeSe4 | tetragonal | I42d | a = 5.8056 c = 10.349 | 348.81 | band gap 2.27 eV | [65] | |||
Rb2Ag2GeSe4 | 1579.76 | orthorhombic | Fddd | a 6.5943 b 13.9740 c 22.627 | [66] | ||||
RbAg3Ga8Se14 | monoclinic | Cm | a 12.9155 b 11.7376 c 9.6693 β 116.367° | [67] | |||||
Ag2Sr3Ge2Se8 | cubic | I43d | [68] | ||||||
Rb3[AgGe4Se10]·2H2O | [55] | ||||||||
Li7Cd4.5Ge4Se16 | orthorhombic | Pna21 | a 14.165 b 8.2990 c 6.6869 | band gap 2.18 eV; melt 985K | [69] | ||||
Na2CdGe2Se6 | monoclinic | Cc | a 7.589 b 13.182 c 12.069 β 98.829° | SHG 2×AgGaS2 at 2.09 μm | [44] | ||||
K2CdGe3Se8 | 1040.05 | monoclinic | P21 | a=7.6069 b=12.4016 c=17.6585 β=95.306° Z=4 | 1658.71 | 4.165 | brownish yellow | [70] | |
SrCdGeSe4 | orthorhombic | Ama2 | a = 10.8245 b = 10.6912 c = 6.6792 Z=4 | red; band gap 1.9 eV; melt 851; SHG 5× AgGaS2 | [71] | ||||
[NH4]2In4Se8Ge4 | monoclinic | P21/c | a 7.642 b 12.470 c 18.222 β 95.214° | [48] | |||||
KInGeSe4 | monoclinic | P21/c | a=7.6108 b=12.4473 c=18.0896 β=97.238° Z=8 | 1700.0 | 4.239 | yellow | [72] | ||
RbInGeSe4 | orthorhombic | Pnma | a=17.9948 b=7.6908 c=12.6003 Z=8 | 1743.8 | 4.475 | yellow | [72] | ||
K3Ga3(Ge6.17Sn0.83)Se20 | monoclinic | Pc | a 7.0843 b 39.404 c 7.0212 β 90.567° | [51] | |||||
Na9Sb(Ge2Se6)2 | monoclinic | C2/c | a = 8.95 b = 24.33 c = 7.066 β = 122.10° Z=2 | 1303 | 3.992 | red | [73] | ||
Sr3GeSb2Se8 | orthorhombic | Pnma | a = 12.633 b = 4.301 c = 28.693 Z = 4 | 1558.8 | band gap 0.75 eV | [74] | |||
Cs4Ge2Se6 | monoclinic | P21/n | a 7.6295 b 9.6884 c 19.773 β=98.78° | [75] | |||||
Cs4Ge2Se8 | 1308.5 | monoclinic | C2 | a=17.503 b=9.549 c=9.751 β=118.16° Z=2 | 1436.8 | 3.87 | orange-yellow | [76] | |
Cs4Ge4Se10 | monoclinic | C2/c | a = 16.348 b = 16.49 c = 9.771 β = 107.10° | [52] | |||||
Cs4Ge4Se10 · 2CH3OH | 1675.7 | monoclinic | C2/m | a=15.278 b=7.624 c=10.090 β=121.71° Z=2 | 999.8 | 4.34 | yellow | [76] | |
Cs4Ge4Se12 | 1769.52 | orthorhombic | Pna21 | a 15.193 b 13.944 c 12.845 Z=4 | 2721.4 | 4.319 | red | [53] | |
(C4C1C1im)+7{[Cs@SnII4(GeIV4Se10)4]7−} | cubic | P43m | a=15.446 | Cs in a tetrahedron | [9] | ||||
heptakis(1-ethyl-3-methyl-1H-imidazol-3-ium) hexatriacontakis(μ-selenido)-tetraselenido-cesium-tetra-germanium(ii)-hexadeca-germanium(iv) | (C2C1Im)7[Cs@GeII4(GeIV4Se10)4] | 4831.2 | orthorhombic | P212121 | a 18.1595 b 18.5017 c 36.632 Z=4 | 12307.8 | 2.980 | yellow | [41] |
Cs2MgGe3Se8 | orthorhombic | P212121 | a 7.6635 b 12.7242 c 17.7724 | [77] | |||||
Cs[Cr(en)2GeSe4] | 693.57 | monoclinic | P21/n | a=11.3115 b=12.3519 c=11.4514 β =93.359 Z=4 | 1597.2 | 2.884 | black | [78] | |
Cs2MnGe3Se8 | orthorhombic | P212121 | a 7.6376 b 12.648 c 17.762 | [54] | |||||
Cs2[MnGe4Se10]·3H2O | tetragonal | [55] | |||||||
Cs2Cu2GeSe4 | monoclinic | C2/c | a 7.8231 b 23.953 c 6.0197 β 113.75° | [66] | |||||
Cs2ZnGe3Se8 | orthorhombic | P212121 | a 7.5756 b 12.6191 c 17.6543 | [77] | |||||
CsGaGeSe4 | orthorhombic | Pnma | a= 17.7666 b= 7.5171 c= 12.6383 Z=8 | 1687.9 | 4.652 | colourless | [50] | ||
Cs2Ge3Ga6Se14 | P3m1 | a = 7.6396 c =13.5866 Z = 1 | 686.72 | dark red | [79] | ||||
(Cs6Cl)2Cs5[Ga15Ge9Se48] | tetragonal | I4/m | a 14.3870 c 28.012 | [80] | |||||
[Cs6Cl][Ga5GeQ12] | band gap 2.89 eV; porous layers | [81] | |||||||
(Cs6Br)2Cs5[Ga15Ge9Se48] | tetragonal | I4/m | a 14.3806 c 27.934 | [80] | |||||
(Cs6I0.6Cl0.5)2Cs5[Ga15Ge9Se48] | tetragonal | I4/m | a 14.4267 c 28.082 | [80] | |||||
(Cs5KCl)2Cs5[Ga15Ge9Se48] | tetragonal | I4/m | a=14.3309 c=27.797 | [80] | |||||
(Rb6Cl)2Cs5[Ga15Ge9Se48] | tetragonal | I4/m | a=14.2193 c=27.410 Z=2 | 5542 | [80] | ||||
(Rb6Br)2Cs5[Ga15Ge9Se48] | tetragonal | I4/m | a=14.4034 c=27.598 Z=2 | 5646.3 | [80] | ||||
Cs3AsGeSe5 | monoclinic | C2/m | a 14.252 b 7.4 c 10.335 β 124.07° | [75] | |||||
CsAg3Ga8Se14 | monoclinic | Cm | a 12.9694 b 11.7931 c 9.7011 β 116.805° | [67] | |||||
Cs3[AgGe4Se10]·2H2O | [55] | ||||||||
Cs2CdGe3Se8 | orthorhombic | P212121 | 7.7048 b 12.6822 c 17.8208 | [77] | |||||
Cs2Ge3In6Se14 | R3m | a = 7.9951 c = 41.726 | band gap 2.08 eV | [82] | |||||
Ba2Ge2Se5 | orthorhombic | Pnma | a=12.594 b=9.174 c=9.160 Z=4 | [59] | |||||
[Ba2(H2O)9][GeSe4] | 825.25 | orthorhombic | Pbca | a 13.916 b 15.097 c 16.116 Z=8 | 3385.9 | 3.238 | light yellow | [83] | |
Ba6Ge2Se12 | monoclinic | P21/c | a = 10.0903 b = 9.3640 c = 25.7643 β = 90.303° | [84] | |||||
Ba7Ge2Se17 | orthorhombic | Pnma | a = 12.652 b = 20.069 c = 12.3067 | [84] | |||||
Ba4Ge3Se9Cl2 | P63 | a 10.0924 b 10.0924 c 12.512 | [85] | ||||||
Ba3[Mn6Ge4Se17]·19H2O | 2716.66 | triclinic | P1 | a 12.184 b 15.089 c 15.868 α 88.73° β 73.68° γ 71.06° Z=2 | 2640.4 | 3.412 | red | [83] | |
Ba3[Mn6Ge4Se17]·30H2O | rhombohedral | R3c | a 20.463 c 25.11 Z=6 | 9109 | 3.188 | orange-red | [83] | ||
BaCu2GeSe4 | P3121 | a 6.5014 c 16.266 | red | [86] | |||||
BaZnGeSe4 | orthorhombic | Ama2 | a = 11.3255 b = 11.2527 c = 6.2917 | band gap 2.46 eV | [87] | ||||
LiBa4Ga5Se12 | orthorhombic | P421c | a 13.0056 b 13.0056 c 6.2671 | band gap 2.44 eV | [88] | ||||
Ba4Ge3Se9Br2 | hexagonal | P63 | a = 10.2345 c = 12.5306 | ||||||
BaCdGeSe4 | orthorhombic | Fdd2 | a=22.167 b=22.768 c=13.303 | band gap 1.67 eV; SHG 0.5 × AgGaS2 | [89] | ||||
Ba4GeSb2Se11 | 1734.01 | orthorhombic | Cmc21 | a = 9.37 b = 25.85, c = 8.80 Z=4 | 2131 | 5.404 | [90] | ||
La4Ge3Se2S10 | rhombohedral | R3c | a=19.5575 c=8.1468 | 2698.6 | 4.605 | Yellow-orange | [91] | ||
La4Ge3Se4S8 | rhombohedral | R3c | 2745.3 | Yellow-orange | [91] | ||||
La4Ge3Se6S6 | rhombohedral | R3c | 2792.6 | orange | [91] | ||||
La4Ge3Se8S4 | rhombohedral | R3c | 2845.3 | red | [91] | ||||
La4Ge3Se10S2 | rhombohedral | R3c | 2912.1 | red | [91] | ||||
lanthanum(III) bis[hexaselenodigermanate] | Na9La[Ge2Se6]2 | monoclinic | C12/m1 | a =7.974 b=12.337 c=7.114 β=107.101° Ζ=1 | 669.0 | orange | [92] | ||
Ba4LaSbGe3Se13 | monoclinic | P21/c | a=16.3330 b=12.5115 c=13.0321 β=103.457° Z=4 | 2590.0 | red; band gap 2.0 eV | [93] | |||
[Ce4(tepa)4(μ-GeSe4)(μ-GeSe5)(μ-Ge2Se6) | triclinic | P1 | a 12.273 b 16.624 c 18.281 α 91.264° β 101.034° γ 96.497° | [60] | |||||
KCeGeSe4 | monoclinic | P21 | a = 6.852 b = 7.025 c = 9.017 β = 108.116° Z = 2 | [94] | |||||
Pr(teta)(tren)Cl]2[Ge2Se6](en) | triclinic | P1 | a 10.3153 b 10.4707 c 14.0511 α 99.606° β 92.679° γ 119.146° | [95] | |||||
Nd(teta)(tren)Cl]2[Ge2Se6](en) | triclinic | P1 | a 10.2840 b 10.4774 c 14.0341 α 99.655° β 92.651° γ 119.161° | [95] | |||||
Na9Sm(Ge2Se6)2 | monoclinic | C2/m | a = 7.916 b = 12.244 c = 7.105 β = 106.99° Z = 1 | 658.6 | [96] [97] | ||||
Sm2(μ-OH)2(tepa)2(μ-Ge2Se6) | monoclinic | P21/n | a 12.10 b 11.41 c 12.71 β 92.81° | [60] | |||||
Sm(teta)(tren)Cl]2[Ge2Se6](en) | triclinic | P1 | a 10.3327 b 10.482 c 14.003 α 77.816° β 87.499° γ 60.62° | [95] | |||||
NaSmGeSe4·0.25Na2Se | monoclinic | C2/c | a 22.508 b 11.0307 c 6.8261 β 103.038° | [98] | |||||
KSmGeSe4 | monoclinic | P21 | a = 6.774 b = 6.994 c = 8.960 β = 108.225° Z = 2 | 403.2 | [99] | ||||
RbSmGeSe4 | orthorhombic | P212121 | a = 6.7347 b = 7.0185 c = 17.723 Z=4 | 837.7 | [99] | ||||
CsSmGeSe | orthorhombic | P212121 | a=6.707 b=7.067 c=18.334 Z=4 | 869.1 | [99] | ||||
Eu2GeSe4 | monoclinic | P21 | a = 6.964 b = 7.055 c = 8.400 β = 108.12° Z = 2 | deep red | [100] | ||||
Eu2GeSe4 | monoclinic | P21/m | a = 6.969 b = 7.059 c = 8.516 β = 107.99° Z = 2 | @673K | [100] | ||||
Eu2Ge2Se5 | monoclinic | P21/n | a = 8.421 b = 12.235 c = 9.127 β = 93.67° Z = 4 | deep red | [100] | ||||
{Eu(en)3}2(μ-OH)2]Ge2Se6 | monoclinic | P21/n | a 10.062 b 11.538 c 15.227 β 98.470° | [101] | |||||
Eu(teta)(tren)Cl]2[Ge2Se6](en) | triclinic | P1 | a 10.364 b 10.549 c 14.1157 α 77.299° β 87.606° γ 60.697° | [95] | |||||
{Eu(tepa)(μ-OH)}2(μ-Ge2Se8) | monoclinic | P21/n | a 12.384 b 11.697 c 12.965 β 94.107° | [102] | |||||
Na2EuGeSe4 | cubic | I43m | a=7.3466 Z=2 | [103] | |||||
Na0.75Eu1.625GeSe4 | cubic | I43d | a=14.7065 Z=16 | [103] | |||||
K2EuGeSe5 | monoclinic | P21/c | a = 11.8056 b = 9.9630 c = 8.9456 β = 91.195° Z = 4 | 1051.9 | 4.404 | @167K; band gap 1.84 eV; Eu(II) | [104] | ||
EuCdGeSe4 | orthorhombic | Ama2 | a 10.7525 b 10.6275 c 6.6740 Z=4 | 762.6 | 5.685 | red; band gap 2.25 eV; SHG 3.8 × AgGaS2 | [105] | ||
Gd(teta)(tren)Cl]2[Ge2Se6](en) | triclinic | P1 | a 10.310 b 10.495 c 14.055 α 77.50° β 87.51° γ 60.81° | [95] | |||||
{Gd(tepa)(μ-OH)}2(μ-Ge2Se8) | monoclinic | P21/n | a 12.316 b 11.667 c 12.868 β 93.70° | [102] | |||||
{Dy(tepa)(μ-OH)}2(μ-Ge2Se8) | monoclinic | P21/n | a 12.329 b 11.627 c 12.882 β 94.177° | [102] | |||||
[{Dy(en)3}2(μ-OH)2]Ge2Se6 | a 10.026 b 11.526 c 15.147 β 99.030° | [102] | |||||||
Tb2(tepa)2(μ-OH)2(μ-Ge2Se8) | monoclinic | P21/n | a 12.228 b 11.587 c 12.782 β 93.458° | [61] | |||||
Tb(teta)(tren)Cl]2[Ge2Se6](en) | triclinic | P1 | a 10.2303 b 10.4499 c 14.0083 α 99.655° β 92.737° γ 119.069° | [95] | |||||
[Tb2(tepa)2(μ-OH)2(μ-Ge2Se6)]·0.5H2O | monoclinic | C2/c | a 22.007 b 12.3363 c 18.2590 β 125.196° | [106] | |||||
[{Ho(en)3}2(μ-OH)2]Ge2Se6 | monoclinic | P21/n | a 9.997 b 11.550 c 15.109 β 99.289° | [101] | |||||
[{Ho(dien)2}2(μ-OH)2]Ge2Se6 | monoclinic | P21/n | a 11.920 b 11.583 c 13.691 β 98.154° | [101] | |||||
Ho2(μ-OH)2(tepa)2(μ-Ge2Se6) | orthorhombic | Pbca | a 12.1791 b 13.487 c 20.346 | [60] | |||||
(H2peha)[Er2(μ-OH)2(tepa)2Cl2]{[Er2(μ-OH)2(tepa)2Cl]2(μ-Ge2Se6)}[Ge2Se6]Cl2 | triclinic | P1 | a 9.1544 b 17.382 c 19.443, α 102.994° β 95.306° γ 101.406° | [60] | |||||
(H3O)[Tm(teta)2][Ge2Se6] | orthorhombic | Pccn | a 13.7846 b 14.3998 c 17.9221 | [95] | |||||
Tm2(tepa)2(μ-OH)2(μ-Ge2Se6) | orthorhombic | Pbca | a 12.1702 b 13.528 c 20.281 | [106] | |||||
Li2HgGeSe4 | 602.90 | orthorhombic | Pna21 | a=14.150 b=8.260 c=6.692 Z=4 | 782.2 | 5.119 | yellow | [107] | |
Na2Hg3Ge2Se8 | 1424.61 | tetragonal | P4c2 | a=9.1938 c=9.5437 Z=2 | 806.69 | 5.865 | red | [107] | |
SrHgGeSe4 | orthorhombic | Ama2 | a 10.8375 b 10.7456 c 6.6377 | NLO 5 × AgGaS2 | [108] | ||||
BaHgGeSe4 | orthorhombic | Ama2 | a 11.255 b 11.033 c 6.685 | NLO 5 × AgGaS2 | [108] | ||||
EuHgGeSe4 | orthorhombic | Ama2 | a 10.6530 b 10.5990 c 6.5986 | band gap; SHG 3.1 × AgGaS2 | [109] | ||||
TlGaGeSe4 | orthorhombic | Pnma | a= 17.4742 b= 7.4105 c= 11.9406 Z=8 | 1546.22 | 5.692 | red | [50] | ||
Tl2Ga2GeSe6 | tetragonal | I4/mmc | a = 8.0770 c = 6.2572 Z = 4 | [110] | |||||
TlInGeSe4 | 702 | monoclinic | P21/c | a= 7.586 b= 12.134 c=18.023 β= 96.037° Z=8 | 1649.8 | 5.653 | yellow | [72] | |
TlInGe2Se6 | trigonal | R3 | a = 10.1798 c = 9.2872 | band gap 2.38 eV | [111] | ||||
α-Pb2GeSe4 | [57] | ||||||||
Na0.5Pb1.75GeSe4 | cubic | I43d | a = 14.662 | [97] | |||||
PbGa2GeSe6 | melt 687 °C; phase transition 522 °C | [112] | |||||||
Pb4Ga4GeSe12 | [112] | ||||||||
Pb3Ga2GeSe8 | P421c | melt incongruently 656 °C | [112] | ||||||
Sr1.31Pb0.69GeSe4 | orthorhombic | Ama2 | a = 10.31220 b = 10.39320 c = 7.42140 | [57] | |||||
Sr0.19Pb1.81GeSe4 | I42d | a = 14.6177 | [57] | ||||||
Sr12.6Pb6.4Ge11Se44 | hexagonal | P63 | a = 19.9867 c = 12.0546 | 4170.28 | black; band gap 1.8 eV | [113] | |||
Ag0.5Pb1.75GeS3Se | band gap 2.0 eV | [114] |
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 selenide iodides are chemical compounds that contain both selenide ions (Se2−) and iodide ions (I−) and one or metal atoms. They are in the class of mixed anion compounds or chalcogenide halides.
The telluride iodides are chemical compounds that contain both telluride ions (Te2−) and iodide ions (I−). They are in the class of mixed anion compounds or chalcogenide halides.
A selenite fluoride is a chemical compound or salt that contains fluoride and selenite anions. These are mixed anion compounds. Some have third anions, including nitrate, molybdate, oxalate, selenate, silicate and tellurate.
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 by the research group of Henning Höppe, although the compound class as such had been postulated already in 1962 by G. Schott and H. U. Kibbel. Over 80 unique compounds are known as of 2024.
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.
The boroselenites are heteropoly anion chemical compounds containing selenite and borate groups linked by common oxygen atoms. They are not to be confused with the boroselenates with have a higher oxidation state for selenium, and extra oxygen. If selenium is replaced by sulfur, it would be a borosulfite. Boroselenites are distinct from selenoborates in which selenium replaces oxygen in borate, or perselenoborates which contain Se-Se bonds as well as Se-B bonds. The metal boroselenites were only discovered in 2012.
Borate sulfides are chemical mixed anion compounds that contain any kind of borate and sulfide ions. They are distinct from thioborates in which sulfur atoms replace oxygen in borates. There are also analogous borate selenides, with selenium ions instead of sulfur.
The borate chlorides are chemical compounds that contain both borate ions and chloride ions. They are mixed anion compounds. Many of them are minerals. Those minerals that crystallise with water (hydrates) may be found in evaporite deposits formed when mineral water has dried out.
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.
Selenide borates, officially known as borate selenides, are chemical mixed anion compounds that contain any kind of borate and selenide ions. They are distinct from selenoborates in which selenium atoms replace oxygen in borates. There are also analogous borate sulfides, with sulfur ions instead of selenium.
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,
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.
Selenidostannates are chemical compounds which contain anionic units of selenium connected to tin. They can be considered as stannates where selenium substitutes for oxygen. Similar compounds include the selenogermanates and thiostannates. They are in the category of chalcogenidotetrelates or more broadly chalcogenometallates.
Tellurogermanates or telluridogermanates are compounds with anions with tellurium bound to germanium. They are analogous with germanates, thiogermanates and selenidogermanates.
Strontium selenide is an inorganic compound with the chemical formula SrSe.
Germanium diselenide is an inorganic compound, with the chemical formula of GeSe2.
A selenophosphate is a chemical compound containing phosphate anions substituted with selenium. Over 7000 compounds are known with a bond between selenium and phosphorus. Compared to phosphorus-sulfur compounds selenophosphates are less thermally stable, and more easily destroyed by water. However they are more stable than tellurophosphates which have an even weaker phosphorus-tellurium bond. Selenophosphates have an oxidation number for phosphorus of +5. But in many there are bonds between phosphorus atoms, reducing the oxidation state to +4, Some may be termed selenophosphites.