Carbide bromide

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Carbide bromides are mixed anion compounds containing bromide and carbide anions. Many carbide bromides are cluster compounds, containing on, two or more carbon atoms in a core, surrounded by a layer of metal atoms, encased in a shell of bromide ions. These ions may be shared between clusters to form chains, double chains or layers. [1]

The great majority of these carbide bromide compounds contain rare earth elements. Since these elements have similar properties, similar structures can be made by substituting the elements. R2CBr2 forms a structure with layers of R6C clusters that contain one carbon atom. Each layer has bromide coating the top and bottom. Very similar is R2CBr2 which has layers of R6C2 clusters containing pairs of carbon atoms. This dicarbon is an ethenide (C24−), and contains a double bond. Layers have bromide on both sides, and so they are only weakly held together by van der Waals forces. If these layers are aligned with each other a 1T- form results with a small c measurement on the unit cell. In some compounds the layers are not quite aligned, but repeat after three layers giving a 3R form, with a larger c unit cell height. Where the layers align, the crystal system is trigonal. But if the layers never quite align at any height, a monoclinic crystal results. The C2 unit sits at an angle to the layers, and thus reduces symmetry compared to compounds with single carbon atoms in the cluster. [1]

In R2CBr there are layers of R6C that share bromide between layers. [1]

List

formulasystemspace groupunit cellvolumedensitycommentreference
Sc7CBr12trigonalR3a=13.628, c=9.2034.33 [2]
Y2CBr2trigonalR3ma=3.7545, c=29.1254.90bronze [2]
Y2C2Br2monoclinicC12/m1a=6.953, b=3.764, c=9.938, β=99.983.85superconductor Tc=5.04K [2] [3]
Y2C0.7Br2trigonalP3m1a=3.73 c=9.8644.83grey [2]
Y10Br18(C2)2monoclinicP21/na=9.729 b=16.323 c=13.229 β =121.131° Z=241798.3black [4]
Na0.23Y2C2Br2monoclinicC2/ma=7.061, b=3.724, c=10.464, β=92.964.43copper red [5]
Zr6CBr14orthorhombicCmcea=14.69 b=13.229 c=11.991 [2]
NaZr6CBr14orthorhombicCmcaa=14.6876, b=13.2266, c=11.9864 [5]
K4Zr6Br18CtriclinicP1a=10.114, b=10.283, c=10.374, α=118.54, β=99.98, γ=104.08, Z=1 [6]
RbZr6CBr14orthorhombicCmcaa=14.719, b=13.287, c=12.043 [5]
Cs2Zr6Br10CtrigonalR3ca=13.0862 c=35.823 Z=65312.8 [7]
CsZr6Br9CtrigonalR3ca=13.1031 c=35.800 Z=65321.5 [7]
Cs3Zr6Br15CtrigonalR3ca=13.116 c=35.980 Z=6 [7]
Cs4Zr6Br15CtrigonalR3ca=13.098 c=35.756 Z=65312 [7]
La2C2BrmonoclinicC12/c1a=15.313, b=4.193, c=6.842, β=100.53,905.87 [8]
La3CBr5monoclinicC12/c1a=14.234, b=10.858, c=14.588, β =106.85.10yellow [8]
La3C2Br3orthorhombicC2221a=11.533, b=17.0698, c=17.0545.38bronze [8]
La4C2Br5orthorhombicImmma = 3.9950, b = 8.277, c = 18.1015.43black [9]
La5C2Br9orthorhombicPnmaa=11.309, b=9.9477, c=16.49115.15red [2]
La5C6Br3monoclinicC12/m1a=22.809, b=3.9855, c=16.599, β=123.325.30bronze [2]
La6C2Br9monoclinicC2/ca=14,234 b=10.858 c=14.588 β=106.80 Z=42158.44.85yellow insulator [10]
La10(C2)6Br6monoclinicC2/ma = 22.809, b = 3.9855, c = 16.599, β = 123.32° Z=21260.95.301bronze; air sensitive [11]
La3Br2C2BPnmaf =15.323, b = 3.973, c =11.567black [12]
Ce2C2BrmonoclinicC2/ca = 15.120, b = 4.179, c = 6.743, β = 101.09 ° [13]
Ce4CBr5monoclinicC2/ma = 18.306, b = 3.9735, c = 8.378, β=104.91° [14]
Ce4C1.5Br5monoclinicC2/ma = 18.996, b = 3.9310, c = 8.282, β = 106.74° [14]
Ce4C2Br5orthorhombicImmma = 3.9835, b = 8.186, c = 18.0175.54violet [9]
Ce4Br3C4triclinicP 1a = 4.227, b = 11.034, c = 11.268, α = 77.15°, β = 90.13° and γ = 84.42° [15]
Ce10(C2)6Br6monoclinicC2/ma = 22.483, b = 3.9253, c = 16.375, β = 123.15° Z=21209.95.558bronze; air sensitive [11]
Ce6Br3C3B2monoclinicP21/ma = 8.602, b = 3.829, c = 10.220, β = 112.53black [12]
Pr2CBrhexagonalP63/mmca=3.8071, c=14.77876.69black [2]
Pr2C2BrmonoclinicC12/c1a=15.054, b=4.139, c=6.713, β=101.086.24 [2]
Pr3CBr3cubicI4131a=11.615.73 [2]
Pr3CBr5triclinicP1a=7.571, b=9.004, c=9.062, α=108.57, β=97.77, γ=106.285.09black [2]
Pr4C1.3Br5monoclinicC2/ma = 18.467, b = 3.911, c = 8.258, β = 105.25° [14]
Pr4C1.5Br5monoclinicC2/ma = 19.044, b = 3.9368, c = 8.254, β = 106.48° [14]
Pr5C2Br8triclinicP1a=9.096, b=12.185, c=16.688, α=79.57, β=89.86, γ=84.385.02black [2]
Pr5C2Br9monoclinicP21/na = 10.069; b = 18.861; c = 10.459; β = 108.130° Z = 45.09dark red [2]
Pr5C6Br3monoclinicC12/m1a=22.36, b=3.895, c=16.269, β=90,123.445,71 [2]
Pr6C2Br10triclinicP1a=7.571 b=9.004 c=9.062 α=108.57° β=97.77° γ=106.28° Z=1544.85.09black [16]
Pr7C3Br10a=9.054, b=11.1265, c=13.352, α=79.641, β=72.57, γ=64.675.22black [2]
Pr10C4Br15triclinicP1a=9.098 b=10.127 c=10.965 α=70.38° β=66.31° γ=70.84° Z=1849.35.19silver [16]
Pr10(C2)2Br16triclinicP1a = 9.096, b = 12.185, c = 16.688, α = 79.57°, β = 89.86°, γ = 84.38°metallic black [17]
Pr10(C2)6Br6monoclinicC2/ma = 22.36, b = 3.895, c = 16.269, β = 123.44° Z=2bronze; air sensitive [11]
Pr14C6Br20triclinicP1a=9.098 b=10.935 c=13.352 α=86.27° β=75.57° γ=66.88° Z=11157.85.23black [16]
Pr6C2Cl5Br5monoclinicC2/ca = 13.689(1) Å, b = 10.383(1) Å, c = 14.089(1) Å, β = 106.49(1)°yellow to green [18]
Gd2CBrhexagonalP63/mmca=3.7858, c=14.2097.65dark grey [8]
Gd2Br2CtrigonalP3m1a=3.8209, c=9.824black [19]
3s-Gd2C2Br2monoclinicC2/ma = 7.066, b = 3.827, c = 9.967, β = 99.95°5.69black; contains C24− [20] [21] [22]
Gd2C2Br2monoclinicC2/ma=7.025, b=3.8361, c=9.868, β =94.476.24gold [8]
Gd4C2Br3orthorhombicPnmaa = 10.844, b = 3.730, c = 20.3616.58bronze [23]
Gd10C4Br18monoclinicP21/na=9.7406 b=16.4817 c=11.8604 β =104.394° Z=24contains C24− [4]
Gd10(C2)6Br6monoclinicC2/ma = 21.507, b = 3.7193, c = 15.331, β = 123.34° Z=21024.56.254bronze; air sensitive [11]
Gd4Br3C2BmonoclinicP21/ma=9.547, b=3.693, c=l2.44,5, β=106.68black [12]
K2[Gd10(C2)2]Br19orthorhombicPbcna=12.751, b=23.17, c=14.4235.01black [24]
K2[Gd10(C2)2]Br20orthorhombicPbcaa=1.2751, b=2.317, c=1.44234.70black [24]
Rb2[Gd10(C2)2]Br19orthorhombicPbcna=1.2737, b=2.325, c=1.44125.15black [24]
Cs2[Gd10(C2)2]Br19orthorhombic [24]
TbCBrmonolinicC12/m1a=7.015, b=3.801, c=9.948, β=100.056.28 [2]
Tb2CBrhexagonalP63/mmca=3.6915, c=14.0438.21 [2]
Tb2CBrHhexagonalP63mca=3.7376, c=14.3157.88 [5]
Tb4C2Br3orthorhombicPnmaa = 10.743, b = 3.706, c = 20.1947.31bronze [23]
Tb10Br18(C2)2monolinicP121/c1a=9.7562 b=16.4254 c=13.3043 β =120.675°1833.75.57dark red [4] [2]
Rb2[Tb10(C2)2]Br19orthorhombica=1.2664, b=2.3105, c=1.4303black [24]
Dy10Br18(C2)2monolinicP21/ca = 9.740 b = 16.340 c = 13.247 β = 120.869° Z = 21809.6black [25]
Ho10Br18(C2)2monolinicP21/na=9.6838 b=16.2436 c=11.6374 β =104.427° Z=241772.8 [4]
[Er10(C2)2]Br18monoclinicP21/na = 9.718, b = 16.234, c = 11.638, β = 104.00°; Z = 25.89black [26]
Lu2CBr2trigonalR3ma= 3.6663, c=28.7997.75gold [2]
La0.9Lu0.1CBrmonoclinicC2/ma=7.434, b=4.0568, c=10.046, β=93.75.15 [5]
W30C2(Cl,Br)68triclinicP1a = 12.003, b = 14.862, c = 15.792, α = 88.75°, β = 68.85°, γ = 71.19° Z=12472.96.35black [27]
Th6CBr15orthorhombicCmcea=15.764, b=14.16, c=13.1245.72green [28]
Y0.8Th0.2CBrmonoclinicC2/ma=7.061, b=3.776, c=9.983, β=100.365.31 [5]

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References

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  3. ↑ Henn, R. W.; Schnelle, W.; Kremer, R. K.; Simon, A. (1996-07-08). "Bulk Superconductivity at 10 K in the Layered Compounds Y 2 C 2 I 2 and Y 2 C 2 Br 2". Physical Review Letters. 77 (2): 374–377. Bibcode:1996PhRvL..77..374H. doi:10.1103/PhysRevLett.77.374. ISSN   0031-9007. PMID   10062435.
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  6. ↑ Qi, Ru-Yi; Corbett, John D (August 1998). "Comparative Zirconium Bromide Cluster Chemistry. A New Structure in K4Zr6Br18C". Journal of Solid State Chemistry. 139 (1): 85–92. Bibcode:1998JSSCh.139...85Q. doi:10.1006/jssc.1998.7814.
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  9. 1 2 Mattausch, Hansjürgen; Schaloske, Manuel C.; Hoch, Constantin; Simon, Arndt (March 2008). "Halogenide der Seltenerdmetalle Ln4X5Z. Teil 2: Eine orthorhombische Verknüpfungsvarianteo-Ln4X5Z". Zeitschrift für anorganische und allgemeine Chemie. 634 (3): 498–502. doi:10.1002/zaac.200700478.
  10. ↑ Mattausch, Hansjürgen; Hoch, Constantin; Simon, Arndt (2007-02-01). "La 6 C 2 Br 9 : La-Tetraederdoppel mit endohedralen C 4– -Ionen / La 6 C 2 Br 9 : La Bitetrahedral Clusters with Endohedral C 4− Ions". Zeitschrift für Naturforschung B. 62 (2): 143–147. doi: 10.1515/znb-2007-0201 . ISSN   1865-7117. S2CID   98503059.
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  12. 1 2 3 Mattausch, Hansjürgen; Simon, Arndt (1995-08-18). "Bromides of Rare Earth Metal Boride Carbides—A System of Building Blocks". Angewandte Chemie International Edition in English. 34 (15): 1633–1635. doi:10.1002/anie.199516331. ISSN   0570-0833.
  13. ↑ Mattausch, Hansjürgen; Simon, Arndt (July 2011). "Variationen modulo 4-4+, 4+3-3+4-, 4-5+, 5-4+4-5+4-4+ bei Seltenerdcarbidhalogeniden". Zeitschrift für anorganische und allgemeine Chemie. 637 (9): 1093–1100. doi:10.1002/zaac.201100055.
  14. 1 2 3 4 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.
  15. ↑ Mattausch, Hansjürgen; Oeckler, Oliver; Kremer, Reinhard K.; Simon, Arndt (2000). "Struktur, Verzwillingung und Eigenschaften von Ce4Br3C4". Zeitschrift für Anorganische und Allgemeine Chemie. 626 (2): 518–523. doi:10.1002/(SICI)1521-3749(200002)626:2<518::AID-ZAAC518>3.0.CO;2-2.
  16. 1 2 3 Schaloske, Manuel Christian; Mattausch, Hansjürgen; Duppel, Viola; Kienle, Lorenz; Simon, Arndt (2009-08-01). "The Starting Members of the Series Pr 4n+2 (C 2 ) n Br 5n+5 (n = 1, 2, 3)". Zeitschrift für Naturforschung B. 64 (8): 922–928. doi: 10.1515/znb-2009-0808 . ISSN   1865-7117. S2CID   197260171.
  17. ↑ Schaloske, Manuel Christian; Mattausch, Hansjürgen; Kienle, Lorenz; Simon, Arndt (October 2008). "Pr 10 (C 2 ) 2 Br 16 : Eine neue Struktur mit diskreten Pr 10 -Doppeloktaedern". Zeitschrift für anorganische und allgemeine Chemie. 634 (12–13): 2246–2254. doi:10.1002/zaac.200800204.
  18. ↑ Schaloske, Manuel C.; Mattausch, Hansjürgen; Kienle, Lorenz; Simon, Arndt (August 2008). "Pr6C2-Doppeltetraeder in Pr6C2Cl10 und Pr6C2Cl5Br5". Zeitschrift für anorganische und allgemeine Chemie. 634 (9): 1493–1500. doi:10.1002/zaac.200800026.
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  21. ↑ Villars, Pierre; Cenzual, Karin; Gladyshevskii, Roman (2014-12-17). Handbook of Inorganic Substances 2015. Walter de Gruyter GmbH & Co KG. p. 353. ISBN   978-3-11-031174-7.
  22. ↑ Mattausch, Hj.; Kremer, R. K.; Eger, R.; Simon, A. (March 1992). "3s-Gd2C2Br2: Eine neue Stapelvariante". Zeitschrift für anorganische und allgemeine Chemie (in German). 609 (3): 7–11. doi:10.1002/zaac.19926090302. ISSN   0044-2313.
  23. 1 2 Bauhofer, Christine; Mattausch, Hansjürgen; Kremer, Reinhard K.; Simon, Arndt (September 1995). "Die Gadoliniumcarbidhalogenide Gd4C2X3 (X = Cl, Br)". Zeitschrift für anorganische und allgemeine Chemie (in German). 621 (9): 1501–1507. doi:10.1002/zaac.19956210911. ISSN   0044-2313.
  24. 1 2 3 4 5 Ließ, Henning; Steffen, Frank; Meyer, Gerd (January 1997). "Quaternary chlorides and bromides with interstitially stabilized double octahedra, A2[Gd10(C2)2]Cl19 (A = Rb, Cs), A2[Gd10(C2)2]Br19 (A = K,Rb), Rb2[Tb10(C2)2]Br19, and K2[Gd10(C2)2]Br20". Journal of Alloys and Compounds. 246 (1–2): 242–247. doi:10.1016/S0925-8388(96)02476-0.
  25. ↑ Daub, Kathrin; Meyer, Gerd (2008-01-15). "Octadecabromidobis(dicarbido)decadysprosium, [Dy 10 Br 18 (C 2 ) 2 ]". Acta Crystallographica E. 64 (1): i4. doi:10.1107/S1600536807066111. ISSN   1600-5368. PMC   2914882 . PMID   21200454.
  26. ↑ Uhrlandt, Stefan; Meyer, Gerd; Artelt, Holger M. (September 1994). "Cs[Er10(C2)2]I18 und [Er10(C2)2]Br18: zwei neue Beispiele für "reduzierte" Halogenide der Lanthanide mit isolierten [M10(C2)2]-Clustern". Zeitschrift für anorganische und allgemeine Chemie (in German). 620 (9): 1532–1536. doi:10.1002/zaac.19946200907. ISSN   0044-2313.
  27. ↑ Ströbele, Markus; Meyer, H.-Jürgen (2010-07-05). "The Trigonal Prismatic Cluster Compound W 6 CCl 15 and a Carambolage of Tungsten Clusters in the Structure of the Heteroleptic Cluster Compound W 30 C 2 (Cl,Br) 68". Inorganic Chemistry. 49 (13): 5986–5991. doi:10.1021/ic100516t. ISSN   0020-1669. PMID   20521794.
  28. ↑ Simon, Arndt; Böttcher, Fred; Cockcroft, Jeremy Karl (January 1991). "Th6Br15H7—Stabilization of a Th6Br12 Cluster by Seven Hydrogen Atoms". Angewandte Chemie International Edition in English. 30 (1): 101–102. doi:10.1002/anie.199101011. ISSN   0570-0833.
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