Template:Infobox copernicium

	child table, as reused in {IB-Cn} v; e; h;
Main isotopes of copernicium
SF4%	–
ε?	283Rg

Copernicium, ₁₁₂Cn
Copernicium
Pronunciation	/ˌkoʊpərˈnɪsiəm/ (KOH-pər-NISS-ee-əm)
Mass number	[285]
Copernicium in the periodic table
	roentgenium ← copernicium → nihonium
Atomic number (Z)	112
Group	group 12
Period	period 7
Block	d-block
Electron configuration	[Rn] 5f14 6d10 7s2 (predicted)
Electrons per shell	2, 8, 18, 32, 32, 18, 2 (predicted)
Physical properties
Phase at STP	liquid (predicted)
Melting point	283 ± 11 K (10 ± 11 °C, 50 ± 20 °F) (predicted)
Boiling point	340 ± 10 K (67 ± 10 °C, 153 ± 18 °F) (predicted)
Density (near r.t.)	14.0 g/cm3 (predicted)
Triple point	283 K, 25 kPa (predicted)
Atomic properties
Oxidation states	0, (+1), +2, (+4), (+6) (parenthesized: prediction)
Ionization energies	1st: 1155 kJ/mol ; 2nd: 2170 kJ/mol ; 3rd: 3160 kJ/mol ; (more) (all estimated);
Atomic radius	calculated: 147 pm (predicted)
Covalent radius	122 pm (predicted)
Other properties
Natural occurrence	synthetic
Crystal structure	hexagonal close-packed (hcp) ; (predicted)
CAS Number	54084-26-3
History
Naming	after Nicolaus Copernicus
Discovery	Gesellschaft für Schwerionenforschung (1996)
Isotopes of copernicium v; e;
SF4%	–
ε?	283Rg
	Category: Copernicium; view; talk; edit; \| references

Cn · Copernicium
Rg ← ibox Rg	^iso ₁₁₂Cn [e] IB-Cn [e] IBisos [e]	→ Nh ibox Nh
cat:Cn (3) cat:Cn-isotopes (14) Commons Wikidata:Q1278 Wiktionary
indexes by PT (page) v e

Data sets read by {{Infobox element}}
Name and identifiers	view edit
Symbol etymology (11 non-trivial)	view edit
Top image (caption, alt)	view edit
Pronunciation	view edit
Allotropes (overview)	view edit
Group (overview)	view edit
Period (overview)	view edit
Block (overview)	view edit
Natural occurrence	view edit
Phase at STP	view edit
Oxidation states	view edit
Spectral lines image	view edit
Electron configuration (cmt, ref)	view edit
Isotopes
Standard atomic weight	view edit
most stable isotope	view edit
Wikidata
Wikidata *	view edit
* Not used in {{Infobox element}} (2023-01-01) See also {{Index of data sets}} · Cat:data sets (12) · (this table: v )

References

^ ^1.0 ^1.1 ^1.2 ^1.3 Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 978-1-4020-3555-5.
^ Soverna S 2004, 'Indication for a gaseous element 112,' in U Grundinger (ed.), GSI Scientific Report 2003, GSI Report 2004-1, p. 187, ISSN 0174-0814
^ ^3.0 ^3.1 ^3.2 ^3.3 ^3.4 ^3.5 Mewes, J.-M.; Smits, O. R.; Kresse, G.; Schwerdtfeger, P. (2019). "Copernicium is a Relativistic Noble Liquid". Angewandte Chemie International Edition. doi:10.1002/anie.201906966.
^ Gäggeler, Heinz W.; Türler, Andreas (2013). "Gas Phase Chemistry of Superheavy Elements". The Chemistry of Superheavy Elements. Springer Science+Business Media. pp. 415–483. doi:10.1007/978-3-642-37466-1_8. ISBN 978-3-642-37465-4. Retrieved 2018-04-21.
^ ^5.0 ^5.1 Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. Structure and Bonding. 21: 89–144. doi:10.1007/BFb0116498. ISBN 978-3-540-07109-9. Retrieved 4 October 2013.
^ Hu, Shu-Xian; Zou, Wenli (23 September 2021). "Stable copernicium hexafluoride (CnF₆) with an oxidation state of VI+". Physical Chemistry Chemical Physics. 2022 (24): 321–325. doi:10.1039/D1CP04360A. PMID 34889909.
^ Chemical Data. Copernicium - Cn, Royal Chemical Society
^ ^8.0 ^8.1 Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.
^ ^9.0 ^9.1 Oganessian, Yu. Ts.; Utyonkov, V. K.; Ibadullayev, D.; et al. (2022). "Investigation of ⁴⁸Ca-induced reactions with ²⁴²Pu and ²³⁸U targets at the JINR Superheavy Element Factory". Physical Review C. 106 (24612). Bibcode:2022PhRvC.106b4612O. doi:10.1103/PhysRevC.106.024612. S2CID 251759318.

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[Haire-1] 1.0 ^1.1 ^1.2 ^1.3 Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 978-1-4020-3555-5.

[2] Soverna S 2004, 'Indication for a gaseous element 112,' in U Grundinger (ed.), GSI Scientific Report 2003, GSI Report 2004-1, p. 187, ISSN 0174-0814

[CRNL-3] 3.0 ^3.1 ^3.2 ^3.3 ^3.4 ^3.5 Mewes, J.-M.; Smits, O. R.; Kresse, G.; Schwerdtfeger, P. (2019). "Copernicium is a Relativistic Noble Liquid". Angewandte Chemie International Edition. doi:10.1002/anie.201906966.

[superheavy_chemistry-4] Gäggeler, Heinz W.; Türler, Andreas (2013). "Gas Phase Chemistry of Superheavy Elements". The Chemistry of Superheavy Elements. Springer Science+Business Media. pp. 415–483. doi:10.1007/978-3-642-37466-1_8. ISBN 978-3-642-37465-4. Retrieved 2018-04-21.

[Fricke1975-5] 5.0 ^5.1 Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. Structure and Bonding. 21: 89–144. doi:10.1007/BFb0116498. ISBN 978-3-540-07109-9. Retrieved 4 October 2013.

[VI-6] Hu, Shu-Xian; Zou, Wenli (23 September 2021). "Stable copernicium hexafluoride (CnF₆) with an oxidation state of VI+". Physical Chemistry Chemical Physics. 2022 (24): 321–325. doi:10.1039/D1CP04360A. PMID 34889909.

[rsc-7] Chemical Data. Copernicium - Cn, Royal Chemical Society

[NUBASE2020-8] 8.0 ^8.1 Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.

[PuCa2022-9] 9.0 ^9.1 Oganessian, Yu. Ts.; Utyonkov, V. K.; Ibadullayev, D.; et al. (2022). "Investigation of ⁴⁸Ca-induced reactions with ²⁴²Pu and ²³⁸U targets at the JINR Superheavy Element Factory". Physical Review C. 106 (24612). Bibcode:2022PhRvC.106b4612O. doi:10.1103/PhysRevC.106.024612. S2CID 251759318.

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