Selenidogermanate
Type of chemical compound
Selenidogermanates are compounds with anions with selenium bound to germanium. They are analogous with germanates, thiogermanates, and telluridogermanates.[1]
List
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)Ge2Se7 x=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]
|
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