Roentgenium

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Roentgenium Quick Reference

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Notes

Symbol

Rg

Atomic Number

111

Oxidation States

 3

predicted

-1

predicted

Electron Configuration

Orbital Occupancy

[Rn] 5f14 6d10 7s1

[Rn] represents the closed-shell electron configuration of radon

Orbital Filling Order

[Rn] 7s1 5f14 6d10

[Rn] represents the closed-shell electron configuration of radon

see expanded configuration ...

Ionization Energies

I (1)

10.5 eV

Pyykkö Covalent Radius

single bond

121 pm

double bond

116 pm

triple bond

118 pm

Quantity

Roentgenium Atomic Structure

Notes

Ionization Energies

I (1)

10.5 eV

Electron Configuration

Orbital Occupancy

[Rn] 5f14 6d10 7s1

[Rn] represents the closed-shell electron configuration of radon

Orbital Filling Order

[Rn] 7s1 5f14 6d10

[Rn] represents the closed-shell electron configuration of radon

see expanded configuration ...

Quantity

Roentgenium Atomic Interaction

Notes

Oxidation States

 3

predicted

-1

predicted

Quantity

Roentgenium Atomic Size

Notes

Pyykkö Covalent Radius

single bond

121 pm

double bond

116 pm

triple bond

118 pm

Quantity

Roentgenium History

Notes

Discovery

date of discovery

1994

discoverer

S. Hofmann

discoverer

V. Ninov

discoverer

F. P. Heßberger

discoverer

P. Armbruster

discoverer

H. Folger

discoverer

G. Münzenberg

discoverer

H.-J. Schött

discoverer

A. G. Popeko

discoverer

A. V. Yeremin

discoverer

A. N. Andreyev

discoverer

S. Saro

discoverer

R. Janik

discoverer

M. E. Leino

location of discovery

Gesellschaft für Schwerionenforschung mbH (GSI), Darmstadt, Germany

Origin of Element Name

origin

Wilhelm Conrad Roentgen

origin description

person—German physicist who won the first Nobel Prize in Physics in 1901

Origin of Element Symbol

symbol: Rg

origin

roentgenium

origin description

element name

Formerly Used or Proposed Element Names and Symbols

name

unununium

matching symbol

Uuu

name

eka-gold

no matching symbol specified

Quantity

Roentgenium Nomenclature

Notes

Anions or Anionic Substituent Groups

roentgenide

Cations or Cationic Substituent Groups

roentgenium

Ligands

roentgenido

Heteroatomic Anion

roentgenate

'a' Term—Substitutive Nomenclature

roentgena

'y' Term—Chains and Rings Nomenclature

roentgeny

References    (Click the button next to a value above to see complete citation information for that entry)

Connelly, Neil G., Ture Damhus, Richard M. Hartshorn, and Alan T. Hutton. Nomenclature of Inorganic Chemistry: IUPAC Recommendations 2005. Cambridge: RSC Publishing, 2005.

Corish, J., and G. M. Rosenblatt. "Name and Symbol of the Element with Atomic Number 111 (IUPAC Recommendations 2004)." Pure and Applied Chemistry, volume 76, number 12, 2004, pp. 2101–2103. doi:10.1351/pac200476122101

Hoffman, Darleane C., Albert Ghiorso, and Glenn T. Seaborg. The Transuranium People: The Inside Story. London, England: Imperial College Press, 2000.

Hofmann, S., V. Ninov, F. P. Heßberger, P. Armbruster, H. Folger, G. Münzenberg, H. J. Schött, A. G. Popeko, A. V. Yeremin, A. N. Andreyev, S. Saro, R. Janik, and M. Leino. "Production and Decay of 269110." Zeitschrift für Physik A Hadrons and Nuclei, volume 350, number 4, 1995, pp. 277–280. doi:10.1007/BF01291181

Hofmann, S., V. Ninov, F. P. Heßberger, P. Armbruster, H. Folger, G. Münzenberg, H. J. Schött, A. G. Popeko, A. V. Yeremin, A. N. Andreyev, S. Saro, R. Janik, and M. Leino. "The New Element 111." Zeitschrift für Physik A Hadrons and Nuclei, volume 350, number 4, 1995, pp. 281–282. doi:10.1007/BF01291182

Hofmann, S., V. Ninov, F. P. Heßberger, P. Armbruster, H. Folger, G. Münzenberg, H. J. Schött, A. G. Popeko, A. V. Yeremin, S. Saro, R. Janik, and M. Leino. "The New Element 112." Zeitschrift für Physik A Hadrons and Nuclei, volume 354, number 3, 1996, pp. 229–230. doi:10.1007/s002180050036

Keller, Jr., O. Lewin, and Glenn T. Seaborg. "Chemistry of the Transactinide Elements." pp. 139–166 in Annual Review Of Nuclear Science. Edited by Emilio Segre. Palo Alto, California: Annual Reviews Inc., 1977.

Miessler, Gary L., and Donald A. Tarr. Inorganic Chemistry, 3rd edition. Upper Saddle River, NJ: Pearson Prentice Hall, 2004.

Münzenberg, G., P. Armbruster, F. P. Heßberger, S. Hofmann, K. Poppensieker, W. Reisdorf, J. H. R. Schneider, W. F. W. Schneider, K.-H. Schmidt, C.-C. Sahm, and D. Vermeulen. "Observation of One Correlated α-Decay in the Reaction 58Fe on 209Bi → 267109." Zeitschrift für Physik A Hadrons and Nuclei, volume 309, number 1, 1982, pp. 89–90. doi:10.1007/BF01420157

Münzenberg, G., P. Armbruster, H. Folger, F. P. Heßberger, S. Hofmann, J. Keller, K. Poppensieker, W. Reisdorf, K.-H. Schmidt, H.-J. Schött, M. E. Leino, and R. Hingmann. "The Identification of Element 108." Zeitschrift für Physik A Hadrons and Nuclei, volume 317, number 2, 1984, pp. 235–236. doi:10.1007/BF01421260

Münzenberg, G., S. Hofmann, F. P. Heßberger, W. Reisdorf, K. H. Schmidt, J. H. R. Schneider, P. Armbruster, C. C. Sahm, and B. Thuma. "Identification of Element 107 by α Correlation Chains." Zeitschrift für Physik A Hadrons and Nuclei, volume 300, number 1, 1981, pp. 107–108. doi:10.1007/BF01412623

Pekka Pyykkö. Self-Consistent, Year-2009 Covalent Radii. http://www.chem.helsinki.fi/~pyykko/Radii09.pdf. Accessed on November 20, 2010.

Pyykkö, Pekka, and Michiko Atsumi. "Molecular Double-Bond Covalent Radii for Elements Li-E112." Chemistry - A European Journal, volume 15, number 46, 2009, pp. 12770–12779. doi:10.1002/chem.200901472

Pyykkö, Pekka, and Michiko Atsumi. "Molecular Single-Bond Covalent Radii for Elements 1-118." Chemistry - A European Journal, volume 15, number 1, 2009, pp. 186–197. doi:10.1002/chem.200800987

Pyykkö, Pekka, Sebastian Riedel, and Michael Patzschke. "Triple-Bond Covalent Radii." Chemistry - A European Journal, volume 11, number 12, 2005, pp. 3511–3520. doi:10.1002/chem.200401299

Seaborg, Glenn T., and Walter D. Loveland. The Elements Beyond Uranium. New York: John Wiley & Sons, Inc., 1990.