Name

Rhenium

Atomic Number

75

Appearance

Silvery-greyish

Phase At STP

Solid

Spectrum Image

Source

CAS Number

7440-15-5

CID Number

CID23947

RTECS Number

RTECSVI0780000

Mendeleev Number

57

Pettifor Number

59

Space Group Number

194

Glawe Number

58

Atomic Mass

186.2071 Da

Uncertainty

0.001

X Position

7

Y Position

6

Period

6

Group

7

Block

d

Category

Transition Metal

Goldschmidt

Siderophile

Electrical Type

Conductive

Seawater

4e-12 kg/L

Earth Crust

7e-10 g

Solar System

5e-8 mole ratio to silicon

Meteorites

0.0000049 %

Jmol

Molcas Gv

CPK

Empirical

135

Calculated

188

Batsanov

205

Rahm

249

Uff

295.4

Mm3

237

Alvarez

249

Covalent (Single Bound)

159

Covalent (Triple Bound)

110

Covalent (Cordero)

151

Covalent (Pyykko)

131

Covalent (Pyykko Double)

119

Covalent (Pyykko Triple)

110

Mendeleev

128

C12

137

Metallic

137

Melting/Freeze (USE)

3459 °K

Melting/Freeze (WEL)

3459 °K

Melting/Freeze (CRC)

3459 °K

Melting/Freeze (LNG)

3453 °K

Boiling/Density (USE)

5869 °K

Boiling/Density (WEL)

5869 °K

Boiling/Density (CRC)

5869 °K

Boiling/Density (LNG)

5951 °K

Boiling/Density (Zhang)

5903 °K

Superconducting Point

1.7 °K

STP

21.02 kg/cm³

Solid (WEL)

21020 kg/cm³

Solid (CRC)

20800 kg/cm³

Solid (LNG)

21020 kg/cm³

Liquid (CR2)

18900 kg/cm³

Molar Volume

8.86 cm³/mol

Atomic Volume

8.85 cm³

Heat Of Fusion USE

34 kJ/mol

Heat Of Fusion CRC

60.43 kJ/mol

Heat Of Fusion LNG

60.43 kJ/mol

Heat Of Fusion WEL

33 kJ/mol

Evaporation USE

704 kJ/mol

Evaporation LNG

704 kJ/mol

Evaporation WEL

705 kJ/mol

Evaporation Zhang

707 kJ/mol

Molar Heat

25.48 J/molK

Heat Capacity USE

0.138 J/gK

Heat Capacity CRC

25.48 J/gK

Heat Capacity LNG

25.5 J/gK

Heat Capacity WEL

25.5 J/gK

Thermal Conductivity

48 W/m*K

Thermal Expansion

0.0000062 1/K

Adiabatic Index

N/A

Extensional

4700 m/s

273k

172 nΩm

293k

193 nΩm

Order

paramanyetic

Susceptibility

4.6e-9 m3/kg

Shear Modulus

178 GPa

Bulk Modulus

370 GPa

Poisson Ratio

0.3 ν

Youngs Modulus

463 GPa

Mohs

7

Brinell

1320–2500

Vickers

1350-7850

Observed/Predicted By

M. stream

Observed/Discovery Year

1908

Discovery Location

Isolated Sample By

M. stream

Isolated Sample Year

1919

Named By

Walter Noddack

Half Life

Stable

Lifetime

Stable

Neutron Mass Absorption

0.016

Neutron Cross Section

90

Electron Affinity (eV)

0.15

Electron Affinity (kJ/mol)

5.8273

Electron Affinity (pauling)

1.9

Electron Affinity (allen)

9.46

Electron Affinity (ghosh)

0.2435164

Accepted

62

Uncertainty

3

C6 GB

663

Constant Internal Default Radius

2.76

Strucutre

HEX

Angles

π/2, π/2, 2 π/3

Oxidation States

−3,−1,0,1,2,3,4,5,6,7

Electron Configuration

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d5

Quantum Number

Tsakh/A

Electron Configuration Semantic

[Rook] 4f14 5d5 6s2

Shells-0

2

Shells-1

8

Shells-2

18

Shells-3

32

Shells-4

13

Shells-5

2

Ionization Energies-0

760

Ionization Energies-1

1260

Ionization Energies-2

2510

Ionization Energies-3

3640