Carbide iodide

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Carbide iodides are mixed anion compounds containing iodide and carbide anions. Many carbide iodides are cluster compounds, containing one, two or more carbon atoms in a core, surrounded by a layer of metal atoms, and encased in a shell of iodide ions. These ions may be shared between clusters to form chains, double chains or layers.

The metal in carbide iodides is most often a rare earth element. Similar formulas tend to have similar structures. Where R is a rare earth element: R12C6I17 contains chains of R6 octahedra with a C26− core and a shell of iodide. R4I5C contains similar chains, but with a single C4 carbide atom. Double chain structures with single carbon atom cores include R6I7C2 and R3I3C. Layers of joined octahedra include R2I2C2 with an ethanide C24− core; R2I2C and R2IC with one carbide per octahedron. [1]

Related compounds include carbide chlorides, and carbide bromides. Carbon may be substituted by hydrogen, boron or nitrogen in the core of cluster compounds.

This list does not include cyanides, carbonyls, cyanamides or carbido borates, where carbon has bonds to other non-metals. However, there are carbide iodides that also contain nitride, oxide or other halides.

List

Do not confuse Cl for chlorine, and CI for carbon and iodine.

formulasystemspace groupunit cellvolumedensitycommentreference
Sc2I3CtriclinicP1a=10.793, b=10.803, c=13.959, α=87.8, β=73.04, γ=60.84,76black [2]
Sc4C2I6triclinicP1a=10.803 b=13.959 c=10.793 α=106.96° β=119.20° γ=87.80° Z=4linear chains [3]
Sc6C2I11triclinicP1a=10.046 b=14.152 c=9.030 α=104.36° β=110.45° γ=89.27° Z=24.83black [3]
Sc7CI12trigonalR3a=14.717 c=9.847 Z=34.99dark purple; dissolves in N,N-dimethylacetamide [4] [5]
Sc24C10I30trigonalPa3a=25.5182, c=25.51824.00black; supertetrahedron of C10 [6]
Y2C2I2monoclinicC12/m1a=7174, b=3.866, c=10.412 β=92.98,5.25bronze; superconductor Tc=9.97K [2] [7]
Y2I2CtrigonalP3m1a=3.922 c=10.4045.32olive green [2]
Y4I5CmonoclincC2/ma=18.479 b=3.947 c=8.472 β=103.22°5.53dark red; chains [8]
Y5C2I9monoclinicC12/c1a=18.479, b=3947, c=8472, β=103.22°4.97black [2]
Y6C2I7monoclincC2/ma=21.557 b=3.909 c=12.374 β=123.55°5.53black; twin chain [8] [9]
Y10C2I13monoclincC2/ma=21.317 b=3.95 c=19.889 β=97.40° Z=2black [9]
Y19C6I34triclinicP1a=9.3683,b=10.341, c=22.173, α=79.104, β=88.175, γ=69.277 Z=11970.85.12black [2]
Y10C2I13monoclinicC12/m1a=21.317, b=3.957, c19.899, β=97.4°5.11black [2]
Y19C6I34triclinicP1a=93683, b=10.341, c=22.173, α=79.104°, β=88.175°, γ=69.277°5.12black [2]
Y16B4C8I19triclinicP1a=12.311, b=13.996, c=19.695, α=74.96, β=89.51, γ=67.034.40blue [10]
Y21B7C14I18triclinicP1a=10.66, b=15.546, c=18.416, α=82.49, β=85.01, γ=82.92 Z=229954.87 [10] [11]
Y6C2I9NhexagonalP6a=20.275, c=13.0254.91brown [12]
Y7C2I12NtriclinicP1a=9.7124, b=10.3038, c=16.7358, α=101.366, β=92.758, γ=112.7994.84olive green [12]
Y7C3I6OorthorhombicPmmaa=22.494, b=3.837, c=10.7915.12bronze [12]
[Y9C4O]I8orthorhombicPmmna = 29.127, b = 3.8417, c = 10.80.29, Z = 25.16black [13] [14]
Y16C7I14O2monoclinicC2/ma=51.6, b=3.84, c=10.8, β=935.15 [12]
YCI0.75l0.25CmonoclinicC2/ma=7.127, b=3.839, c=10.441, β=93.844.78 [15]
YI0.75CBr0.25monoclinicC2/ma=7.131, b=3.847, c=10.358, β=93.735.06 [16]
Zr6CI12trigonalR3a=14.508, c=10.0075.69 [2]
Zr6CI14orthorhombicCmcea=15.69, b=14.218, c=12.8085.43 [2]
K0.58Zr6CI14orthorhombicCmcaa=15.727, b=14.278, c=127985.54 [12]
RbZr6I14CorthorhombicCmcaa=15.768, b=14.296, c=12.8495.55 [12]
CsY10C4I18triclinicP1a=11.138, b=11.201, c=11.325, α=66.92, β=87.26, γ=60.87 Z=11117.24.99black [17]
Cs2Zr7I18CtrigonalR3ca=10.744, c=29.4095.42 [18]
CsZr6I14CorthorhombicCmcaa=15.803, b=14.305, c=12.9345.61 [18]
Cs2Zr7I18CtrigonalR3a = 10.744, c = 29.409 Z=34.99black [19]
LaICmonoclinicC12/m1a=7.619, b=4.1252, c=10.7513, β=93.1435.47bronze [20]
LaICmonoclinicC12/m1a=7.6132, b=4.1324, c=10.859, β=100.8355.50bronze [20]
La3I5CtriclinicP1a=7.955, b=9.687, c=9.728, α=107.81, β=97.34, γ=105.565.28violet [2]
La3C2I3orthorhombicC2221a=12.026 b=17.739 c=17.7355.77black [2]
La4C1.5I5monoclinicC2/ma = 19.849, b = 4.1410, c = 8.956, β = 103.86°5.62metallic grey [21]
La4C2I5orthorhombicImmma = 19.907, b = 4.1482, c = 8.963, β = 104.36° [21]
La5C2I9orthorhombicPbcaa = 8.025, b = 16.887, c = 35.886 Z=848635.08>850° metallic green [22]
La5C2I9triclinicP1a = 8.006, b = 10.088, c = 14.383, α = 79.34°, β = 80.75° and γ = 85.07° Z=21124.95.494<800 °C; dark red; air sensitive [22] [23]
La6I10(C2)triclinicP1a = 9.687, b = 9.728, c = 7.955, α = 97.34°, β = 105.56° and γ = 107.81° Z=1699.335.276violet; air sensitive [23]
La7C3I10triclinicP1a=9.761, b=11.79, c=14.055, α=79.6, β=71.49, γ=65.795.42greenish black [2]
La10C4I15triclinicP1a=9.747, b=10.655, c=11.736, α=93.68, β=114.44, γ=109.285.45dark red [20]
La10I15(C2)2triclinicP1a = 9.747, b = 10.655, c = 11.736, α = 93.68°, β = 114.44° and γ = 109.28° Z=11018.395.447dark red; air sensitive [23]
La12I17(C2)3monoclinicC12/c1a= 19.927, b= 12.636, c = 19.399, β = 90.24(1)°, Ζ = 44884.65.30black [24]
La14(C2)3I20triclinicP1a = 9.761, b = 11.790, c = 14.055, α = 79.60°, β = 71.49°, γ = 65.79°greenish black [25]
La4B2I5Cmonoclinica=23.303, b=4.299, c=18.991, β=126.225.30black [26]
La9B3C6I5orthorhombica=3.9481, b=33.857, c=8.2186.01 [10]
La4I6CNtetragonala=13.953 c=9.8114.67olive green [27]
LaCI0.75l0.25CmonoclinicC2/ma=7.5764, b=4.0758, c=10.7266, β=93.3845.12bronze [15]
LaI0.75CBr0.25monoclinicC2/ma=75857, b=4.0981, c=10.6782, β=93.2725.33bronze [16]
Ce3I5CtriclinicP1a=7.875, b=9.588, c=9.648, α=107.69, β=97.24, γ=105.325.43violet [28]
Ce5C2I9orthorhombicPbcaa = 7.9284, b = 16.714, c = 35.5305.27red [22]
Ce6I10C2triclinicP1a=9.588 b=9.648 c=7.875 α = 97.24°, β = 105.32° and γ = 107.69 Z=1652.35.432violet [23]
Ce7C3I10triclinicP1a=9.688, b=11.67, c=13.932, α=80.16, β=71.81, γ=65.885.57greenish black [28]
Ce12C6I17monoclinicC12/c1a=19.731, b=12.495, c=19.182, β=90.365.49black; chains [28]
Ce14(C2)3I20triclinicP1a = 9.688, b = 11.670, c = 13.932, α = 80.16°, β = 71.81°, γ = 65.88°greenish back; semiconductor [25]
Ce4B2I5Cmonoclinica=23.194, b=4.29, c=18.822, β=126.55.42black [26]
Ce8I6(C2)(N)2
Ce4I6CNtetragonalP42/mnma = 13.877, c = 9.665 Z=41861.34.810brown [29]
Ce6I9C2NhexagonalP6/ma = 41.774, c = 13.719 Z=32207345.179black; moisture sensitive [29]
Ce6I9C2NhexagonalP6/ma = 20.958, c = 13.793 Z=852465.117black [29]
Pr{Pr6C}I12black [30]
Pr7C3I10triclinicP1a=9663, b=11.619, c=13.866, α=80.31, β=71.79, γ=65.95.64black [2]
Pr12(C2)3I17monoclinicC2/ca=19.610, b=12.406, c=19.062, β=90.45°5.62metallic grey [2] [31]
Nd2C2I2monoclinicC2/mlayered [32]
Nd12(C2)3I17monoclinicC2/ca=19.574, b=112.393, c=19.003(5) Å, β=90.41°5.71black [2] [31]
Rb{Pr6C2}I12triclinicP1a = 9.601, b = 9.570, c = 10.034, α = 71.74, β = 70.69, γ = 72.38°, Z = 1805.65.11black [33]
Cs2[Pr6(C2)]I12triclinicP1a=9.481, b=9.536, c=10.052; α=71.01; β=84,68, γ=89.37°; Z=1515.35.16black [34]
Cs4[Pr6(C2)]I13tetragonalI41/amda = 18.049; c = 12.5954.94blue-black with brassy lustre [35]
Gd2IChexagonalP63/mmca=3.801, c=14.7928.14 [36]
Gd3I3CmonoclinicP121/m1a=8.658, b=3.926, c=11.735, β=92.267.20bronze; twin chains [36]
Gd4I5CmonoclinicC2/ma=18.587 b=3.978 c=8.561 β=103.3chains [37]
Gd6C2I7monoclinicC2/ma=21.767 b=3.947 c=12.459 β=123.6twin chains [37]
Gd7I12CtrigonalR3a=15.288 c=10.291 [37]
Gd10C4I16triclinicP1a=10.463 b=16.945 c=11.220 α=99.16 β=92.68 γ=88.066.18black [38]
Gd12(C2)3I17monoclinicC2/ca = 19.297, b = 12.201, c = 18.635, β = 90.37°6.13black; Gd6 octahedra containing C2 [39]
Gd4I6CNtetragonala=13.578 c=9.3135.48brown red; air sensitive [27]
Gd4I6CNhexagonala=40.806 c=9.2325.65brown red [27]
Gd19(C2)3I34triclinicP1a = 9.4172, b = 10.339, c = 22.371, α = 79.00°, β = 88.32°, γ = 69.25° Z=12007.66.10black; air sensitive [40]
[Gd4(C2)](Cl, I)6tetragonalP4/mbma = 13.475, c = 12.125, Z = 2black [41]
Gd6C3I4.56Cl4.44tetragonalP4/mbma=13.475, c=12.1255.18black [15]
Tb2IChexagonalP63/mmca=3.7707, c=14.668.40 [2]
Tb2C2I2monoclinicC2/mlayered [42]
Dy2I3CorthorhombicPnnma=13.622, b=14.335, c=8.3965.82 [43]
Dy5C2I9monoclinicP121/c1a=10.47, b=17.152, c=13.983, β=121.146.12black [43]
Dy7C2I12trigonalR3a=15.233, c=10.6496.25black [43]
Dy12(C2)3I17monoclinicC2/ca=19.149, b=12.069, c=18.595, β=90.546.46black [43] [31]
{(C2)2O2Dy12}I18hexagonalP6/ma = 20.2418, c = 12.9921, Z = 84610.16.22black [44]
{(C2)2O2Dy14}I24triclinicP1a = 9.730, b = 10.330, c = 16.770, α = 101.42°, β = 92.72°, γ = 112.75°, Z = 21509.35.94black [44]
Ho7C2I12NtriclinicP1a=9.688, b=10.287, c=16.678, α=101.31, β=92.78, γ=112.86.06brown red [45]
[Ho9C4O]I8orthorhombicPmmna=3.8157, b=28.867, c=10.7487.19 [45] [14]
Er4I5CmonoclinicC2ma=18.521 b=4.015 c=8.478 β=103.07 [37]
Er6C2I7monoclinicC2/ma=21.375 b=3.869 c=12.319 β=123.50twin chains [37]
[Er9C4O]I8orthorhombicPmmna=3.8037, b=28.818, c=10.73817.29 [46] [14]
Cs[Er6C]I12trigonalR3a=11.120 c=20.638 Z=3443.716.02black [47]
[Er14(C2)2(N)2]l24triclinicP1a = 9.663, b = 10.276, c = 16.634, α =101.374°, β = 92.85°, γ = 112.83°, Z =21477.86.14red brown [48]
CsEr10(C2)2I18triclinicP1a=11.052 b=11.120 c=11.229 α=66.01° β=87.14° γ=60.80° Z=1656.66.29black [47]
[Lu9C4O]I8orthorhombicPmmna=3.7575, b=28.333, c=10.63777.78 [12] [14]

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  13. Meyer, H.-Jürgen (August 1993). "Zur elektronischen Struktur von [Y9C4O]I8". Zeitschrift für anorganische und allgemeine Chemie (in German). 619 (8): 1389–1392. doi:10.1002/zaac.19936190812. ISSN   0044-2313.
  14. 1 2 3 4 Mattfeld, Heiner; Krämer, Karl; Meyer, Gerd (August 1993). "[M9C4O]I8 (M = Y, Ho, Er, Lu), reduzierte Selten-Erd-Iodide mit gewellten Metall-Doppelschichten und zwei verschiedenen interstitiellen Atomen". Zeitschrift für anorganische und allgemeine Chemie (in German). 619 (8): 1384–1388. doi:10.1002/zaac.19936190811. ISSN   0044-2313.
  15. 1 2 3 Villars, Pierre; Cenzual, Karin; Gladyshevskii, Roman (2014-12-17). Handbook of Inorganic Substances 2015. Walter de Gruyter GmbH & Co KG. p. 934. ISBN   978-3-11-031174-7.
  16. 1 2 Villars, Pierre; Cenzual, Karin; Gladyshevskii, Roman (2014-12-17). Handbook of Inorganic Substances 2015. Walter de Gruyter GmbH & Co KG. p. 924. ISBN   978-3-11-031174-7.
  17. Hinz, D. J.; Meyer, G., eds. (1995-12-01). "Crystal structure of caesium yttrium carbide iodide (1-10-4-18), Cs[Y 10 (C 2 ) 2 ]I 18". Zeitschrift für Kristallographie - Crystalline Materials. 210 (12): 958. doi:10.1524/zkri.1995.210.12.958. ISSN   2194-4946.
  18. 1 2 Villars, Pierre; Cenzual, Karin; Gladyshevskii, Roman (2014-12-17). Handbook of Inorganic Substances 2015. Walter de Gruyter GmbH & Co KG. p. 937. ISBN   978-3-11-031174-7.
  19. Payne, Martin W.; Corbett, John D. (February 1993). "The Synthesis and Structure of a New Zirconium Iodide Carbide Cluster Phase, Cs2Zr7I18C". Journal of Solid State Chemistry. 102 (2): 553–556. doi:10.1006/jssc.1993.1066.
  20. 1 2 3 Villars, Pierre; Cenzual, Karin; Gladyshevskii, Roman (2014-12-17). Handbook of Inorganic Substances 2015. Walter de Gruyter GmbH & Co KG. p. 362. ISBN   978-3-11-031174-7.
  21. 1 2 Mattausch, Hansjürgen; Schaloske, Manuel C.; Hoch, Constantin; Zheng, Chong; Simon, Arndt (March 2008). "Seltenerdhalogenide Ln4X5Z. Teil 1: C und/oder C2 in Ln4X5Z". Zeitschrift für anorganische und allgemeine Chemie (in German). 634 (3): 491–497. doi:10.1002/zaac.200700500.
  22. 1 2 3 Mattausch, Hansjürgen; Hoch, Constantin; Simon, Arndt (April 2008). "Das Lanthaniodidethanido-La5I9(C2) – Die orthorhombische Hochtemperaturmodifikation". Zeitschrift für anorganische und allgemeine Chemie (in German). 634 (4): 641–645. doi:10.1002/zaac.200700477.
  23. 1 2 3 4 Mattausch, Hansjürgen; Hoch, Constantin; Simon, Arndt (June 2005). "Drei neue Ethanidiodide des Lanthans: La5I9(C2), La6I10(C2) und La10I15(C2)2". Zeitschrift für anorganische und allgemeine Chemie (in German). 631 (8): 1423–1429. doi:10.1002/zaac.200500022. ISSN   0044-2313.
  24. Mattausch, Hj.; Simon, A. (April 2005). "Crystal structure of dodecalanthanum heptadecaiodide triethanide, La12I17(C2)3". Zeitschrift für Kristallographie - New Crystal Structures. 220 (1–4): 319–320. doi: 10.1524/ncrs.2005.220.14.319 . ISSN   2197-4578. S2CID   201120291.
  25. 1 2 Mattausch, Hansjürgen; Simon, Arndt; Kienle, Lorenz; Hoch, Constantin; Zheng, Chong; Kremer, Reinhard K. (August 2006). "EYPHKAMEN: Ln-Oktaedertripel in Ln14(C2)3I20 mit Ln = La, Ce". Zeitschrift für anorganische und allgemeine Chemie (in German). 632 (10–11): 1661–1670. doi:10.1002/zaac.200500493. ISSN   0044-2313.
  26. 1 2 Villars, Pierre; Cenzual, Karin; Gladyshevskii, Roman (2014-12-17). Handbook of Inorganic Substances 2015. Walter de Gruyter GmbH & Co KG. p. 843. ISBN   978-3-11-031174-7.
  27. 1 2 3 Mattausch, Hansjürgen; Borrmann, Horst; Eger, Roland; Kremer, R. K.; Simon, Arndt (November 1994). "Gd4I6CN: Ein Carbidnitrid mit Ketten aus Gd6(C2)-Oktaedern und Gd6N2-Tetraederdoppeln". Zeitschrift für anorganische und allgemeine Chemie (in German). 620 (11): 1889–1897. doi:10.1002/zaac.19946201109. ISSN   0044-2313.
  28. 1 2 3 Villars, Pierre; Cenzual, Karin; Gladyshevskii, Roman (2014-12-17). Handbook of Inorganic Substances 2015. Walter de Gruyter GmbH & Co KG. p. 352. ISBN   978-3-11-031174-7.
  29. 1 2 3 Schaloske, Manuel C.; Kienle, Lorenz; Mattausch, Hansjürgen; Duppel, Viola; Simon, Arndt (September 2011). "Disorder in Rare Earth Metal Halide Carbide Nitrides". European Journal of Inorganic Chemistry. 2011 (26): 4049–4056. doi:10.1002/ejic.201100201. ISSN   1434-1948.
  30. Meyer, Gerd (February 2008). "Reduced rare-earth iodides without and with carbon". Journal of Alloys and Compounds. 451 (1–2): 666–668. doi:10.1016/j.jallcom.2007.04.083.
  31. 1 2 3 Ryazanov, Mikhail; Mattausch, Hansjürgen; Simon, Arndt (April 2007). "The extended chain compounds Ln12(C2)3I17 (Ln=Pr, Nd, Gd, Dy): Synthesis, structure and physical properties". Journal of Solid State Chemistry. 180 (4): 1372–1380. doi:10.1016/j.jssc.2007.01.029.
  32. Ahn, K.; Gibson, B.J.; Kremer, R.K.; Simon, A. (2002-12-01). "Magnetic ordering within the layered neodymium carbide iodides, Nd 2 C 2 I 2". Applied Physics A: Materials Science & Processing. 74: s920–s922. doi:10.1007/s003390101164. ISSN   0947-8396. S2CID   96028929.
  33. Wiglusz, Rafał; Pantenburg, Ingo; Meyer, Gerd (August 2007). "Rb{Pr 6 C 2 }I 12 , an Iodide with a 13‐Electron Isolated Octahedral {Pr 6 C 2 } Cluster". Zeitschrift für anorganische und allgemeine Chemie. 633 (9): 1317–1319. doi:10.1002/zaac.200700081. ISSN   0044-2313.
  34. Artelt, Holger M.; Meyer, Gerd (January 1993). "Cs2[Pr6(C2)]I12 - das erste quaternäre reduzierte Halogenid mit isolierten [M6(C2)]-Clustern". Zeitschrift für anorganische und allgemeine Chemie (in German). 619 (1): 1–6. doi:10.1002/zaac.19936190103. ISSN   0044-2313.
  35. Artelt, Holger M.; Schleid, Thomas; Meyer, Gerd (September 1994). "Cs4[Sc6C]Cl13 und Cs4[Pr6(C2)]I13 ? zwei Beispiele für das fehlende Bindeglied bei der Verknüpfung der Baueinheiten [M6Z]X12iX6a". Zeitschrift für anorganische und allgemeine Chemie (in German). 620 (9): 1521–1526. doi:10.1002/zaac.19946200905. ISSN   0044-2313.
  36. 1 2 Villars, Pierre; Cenzual, Karin; Gladyshevskii, Roman (2014-12-17). Handbook of Inorganic Substances 2015. Walter de Gruyter GmbH & Co KG. p. 360. ISBN   978-3-11-031174-7.
  37. 1 2 3 4 5 Handbook on the Physics and Chemistry of Rare Earths volume 15. Elsevier. 1991. p. 195. ISBN   9780444889669.
  38. Simon, Arndt (March 1985). "Empty, filled, and condensed metal clusters". Journal of Solid State Chemistry. 57 (1): 2–16. doi:10.1016/S0022-4596(85)80055-4.
  39. Simon, A.; Warkentin, E. (February 1983). "Gd 12 C 6 I 17 - eine Verbindung mit kondensierten, C 2 -gefüllten Gd 6 I 12 -Clustern". Zeitschrift für anorganische und allgemeine Chemie. 497 (2): 79–92. doi:10.1002/zaac.19834970208.
  40. Schaloske, Manuel C.; Kienle, Lorenz; Duppel, Viola; Mattausch, Hansjürgen; Simon, Arndt (January 2010). "SE 19 (C 2 ) 3 I 34 ( SE = Y, Gd): Verbindungen mit diskreten SE 6 I 12 -Clustern und isolierten SE -Atomen". Zeitschrift für anorganische und allgemeine Chemie. 636 (1): 188–195. doi:10.1002/zaac.200900483.
  41. Ließ, Henning; Meyer, H.-Jürgen; Meyer, Gerd (March 1996). "[Gd4(C2)](Cl, I)6, an Interstitially Stabilized Heteroleptic Gadolinium Sesquihalide". Zeitschrift für anorganische und allgemeine Chemie (in German). 622 (3): 494–500. doi:10.1002/zaac.19966220318. ISSN   0044-2313.
  42. Ahn, K; Gibson, B.J; Kremer, R.K; Mattausch, Hj; Keller, L; Simon, A (July 2001). "Magnetic ordering within the layered terbium carbide iodide, Tb2C2I2". Journal of Alloys and Compounds. 323–324: 400–403. doi:10.1016/S0925-8388(01)01096-9.
  43. 1 2 3 4 Villars, Pierre; Cenzual, Karin; Gladyshevskii, Roman (2014-12-17). Handbook of Inorganic Substances 2015. Walter de Gruyter GmbH & Co KG. p. 357. ISBN   978-3-11-031174-7.
  44. 1 2 Daub, Kathrin; Meyer, Gerd (September 2010). "Isolated and Edge-Connected Tetramers {(C2)2O2Dy14} in the Crystal Structures of {(C2)2O2Dy14}I24 and {(C2)2O2Dy12}I18". Zeitschrift für anorganische und allgemeine Chemie. 636 (9–10): 1716–1719. doi:10.1002/zaac.201000128. S2CID   93581620.
  45. 1 2 Villars, Pierre; Cenzual, Karin; Gladyshevskii, Roman (2014-12-17). Handbook of Inorganic Substances 2015. Walter de Gruyter GmbH & Co KG. p. 947. ISBN   978-3-11-031174-7.
  46. Villars, Pierre; Cenzual, Karin; Gladyshevskii, Roman (2014-12-17). Handbook of Inorganic Substances 2015. Walter de Gruyter GmbH & Co KG. p. 938. ISBN   978-3-11-031174-7.
  47. 1 2 Artelt, Holger M.; Meyer, Gerd (1992). "Synthesis and crystal structures of two new reduced iodides of erbium with isolated monomeric and dimeric clusters, Cs[Er6C]I12 and Cs[Er10(C2)2]I18". Journal of the Chemical Society, Chemical Communications (18): 1320. doi:10.1039/c39920001320. ISSN   0022-4936.
  48. Steffen, Frank; Meyer, Gerd (1995-10-01). "[Er 14 (C 2 ) 2 (N) 2 ]l 24 – ein Iodid mit einem oligomeren, heterointerstitiellen Cluster / [Er 14 (C 2 ) 2 (N) 2 ]l 24 – an Iodide with an Oligomeric, Heterointerstitial Cluster". Zeitschrift für Naturforschung B. 50 (10): 1570–1574. doi:10.1515/znb-1995-1024. ISSN   1865-7117. S2CID   95276145.