Template:Infobox rhenium

	child table, as reused in {IB-Re} v; e; h;
Main isotopes of rhenium
ε	186W
β−	186Os

Rhenium, ₇₅Re
Rhenium
Pronunciation	/ˈriːniəm/ (REE-nee-əm)
Appearance	silvery-grayish
Standard atomic weight Ar°(Re)
	186.207±0.001; 186.21±0.01 (abridged);
Rhenium in the periodic table
	tungsten ← rhenium → osmium
Atomic number (Z)	75
Group	group 7
Period	period 6
Block	d-block
Electron configuration	[Xe] 4f14 5d5 6s2
Electrons per shell	2, 8, 18, 32, 13, 2
Physical properties
Phase at STP	solid
Melting point	3459 K (3186 °C, 5767 °F)
Boiling point	5903 K (5630 °C, 10,170 °F)
Density (at 20° C)	21.010 g/cm3
when liquid (at m.p.)	18.9 g/cm3
Heat of fusion	60.43 kJ/mol
Heat of vaporization	704 kJ/mol
Molar heat capacity	25.48 J/(mol·K)
Atomic properties
Oxidation states	−3, −1, 0, +1, +2, +3, +4, +5, +6, +7 (a mildly acidic oxide)
Electronegativity	Pauling scale: 1.9
Ionization energies	1st: 760 kJ/mol ; 2nd: 1260 kJ/mol ; 3rd: 2510 kJ/mol ; (more) ;
Atomic radius	empirical: 137 pm
Covalent radius	151±7 pm
	Spectral lines of rhenium
Other properties
Natural occurrence	primordial
Crystal structure	hexagonal close-packed (hcp) (hP2)
Lattice constants	a = 276.10 pm; c = 445.84 pm (at 20 °C)
Thermal expansion	5.61×10−6/K (at 20 °C)
Thermal conductivity	48.0 W/(m⋅K)
Electrical resistivity	193 nΩ⋅m (at 20 °C)
Magnetic ordering	paramagnetic
Molar magnetic susceptibility	+67.6×10−6 cm3/mol (293 K)
Young's modulus	463 GPa
Shear modulus	178 GPa
Bulk modulus	370 GPa
Speed of sound thin rod	4700 m/s (at 20 °C)
Poisson ratio	0.30
Mohs hardness	7.0
Vickers hardness	1350–7850 MPa
Brinell hardness	1320–2500 MPa
CAS Number	7440-15-5
History
Naming	after the river Rhine (German: Rhein)
Discovery	Masataka Ogawa (1908)
First isolation	Masataka Ogawa (1919)
Named by	Walter Noddack, Ida Noddack, Otto Berg (1925)
Isotopes of rhenium v; e;
ε	186W
β−	186Os
	Category: Rhenium; view; talk; edit; \| references

Re · Rhenium
W ← ibox W	^iso ₇₅Re [e] IB-Re [e] IBisos [e]	→ Os ibox Os
cat:Re (5) cat:Re-isotopes (42) Commons Wikidata:Q737 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 (11) · (this table: v )

Notes

^ The thermal expansion of Rh is anisotropic: the parameters for each crystal axis (at 20 °C) are α_a = 6.07×10⁻⁶/K, α_c = 4.69×10⁻⁶/K, and α_average = α_V/3 = 5.61×10⁻⁶/K.^[3]

References

^ "Standard Atomic Weights: Rhenium". CIAAW. 1973.
^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.
^ ^3.0 ^3.1 ^3.2 Arblaster, John W. (2018). Selected Values of the Crystallographic Properties of Elements. Materials Park, Ohio: ASM International. ISBN 978-1-62708-155-9.
^ Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
^ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
^ ^6.0 ^6.1 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.

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[4] The thermal expansion of Rh is anisotropic: the parameters for each crystal axis (at 20 °C) are α_a = 6.07×10⁻⁶/K, α_c = 4.69×10⁻⁶/K, and α_average = α_V/3 = 5.61×10⁻⁶/K.^[3]

[1] "Standard Atomic Weights: Rhenium". CIAAW. 1973.

[CIAAW2021-2] Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.

[Arblaster_2018-3] 3.0 ^3.1 ^3.2 Arblaster, John W. (2018). Selected Values of the Crystallographic Properties of Elements. Materials Park, Ohio: ASM International. ISBN 978-1-62708-155-9.

[5] Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.

[6] Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.

[NUBASE2020-7] 6.0 ^6.1 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.

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