Name

Xenon

Atomic Number

54

Gas Phase

Monatomic

Appearance

Colorless gas glows blue when placed in a high voltage electric field

Refractive Index

1.000702

Phase At STP

Gas

Spectrum Image

Source

CAS Number

7440-63-3

CID Number

CID23991

DOT Number

2591

RTECS Number

RTECSZE1280000

Mendeleev Number

116

Pettifor Number

5

Eu Number

Joa 1-172-7

Space Group Number

225

Glawe Number

5

Atomic Mass

131.2936 Da

Uncertainty

0.006

X Position

18

Y Position

5

Period

5

Group

18

Block

p

Category

Noble Gas

Geochemical

Volatile

Goldschmidt

Atmospheric

Seawater

5e-11 kg/L

Earth Crust

3e-11 g

Solar System

0.0000048 mole ratio to silicon

Meteorites

N/A %

Jmol

Molcas Gv

CPK

Calculated

108

Van Der Waals

216

Bonding

216

Rahm

232

Uff

440.4

Mm3

228

Alvarez

228

Covalent (Single Bound)

130

Covalent (Triple Bound)

122

Covalent (Cordero)

140

Covalent (Pyykko)

131

Covalent (Pyykko Double)

135

Covalent (Pyykko Triple)

122

Melting/Freeze (USE)

161.4 °K

Melting/Freeze (WEL)

161.4 °K

Melting/Freeze (CRC)

161.205 °K

Melting/Freeze (LNG)

161.2 °K

Boiling/Density (USE)

165.051 °K

Boiling/Density (WEL)

165.1 °K

Boiling/Density (CRC)

164.901 °K

Boiling/Density (LNG)

164.96 °K

Boiling/Density (Zhang)

165 °K

Critical Temperature

289.77 °K

Critical Pressure

5.841 MPa

STP

5.894 kg/cm³

Gas

5.894 kg/cm³

Molar Volume

34.71 cm³/mol

Atomic Volume

42.9 cm³

Heat Of Fusion CRC

2.27 kJ/mol

Heat Of Fusion LNG

1.81 kJ/mol

Heat Of Fusion WEL

2.3 kJ/mol

Evaporation USE

12.65 kJ/mol

Evaporation CRC

12.57 kJ/mol

Evaporation LNG

12.64 kJ/mol

Evaporation WEL

12.64 kJ/mol

Evaporation Zhang

12.6 kJ/mol

Heat Capacity USE

0.158 J/gK

Heat Capacity CRC

20.786 J/gK

Heat Capacity LNG

20.786 J/gK

Heat Capacity WEL

20.786 J/gK

Thermal Conductivity

0.0057 W/m*K

Adiabatic Index

42799

Fluid

1090 m/s

Order

Diamagnetic

Susceptibility

-4.3e-9 m3/kg

Observed/Predicted By

W. Ramsay ve W. Travers

Observed/Discovery Year

1898

Discovery Location

Isolated Sample By

W. Ramsay ve W. Travers

Isolated Sample Year

1898

Half Life

Stable

Lifetime

Stable

Neutron Mass Absorption

0.0083

Neutron Cross Section

25

Proton Affinity

499.6

Electron Affinity (eV)

-0.056

Electron Affinity (kJ/mol)

-77

Electron Affinity (pauling)

2.6

Electron Affinity (allen)

15.27

Electron Affinity (ghosh)

0.2333511

Accepted

27.32

Uncertainty

0.2

C6 GB

302

Constant Internal Default Radius

6.2

Constant

620.23, 620.23, 620.23

Strucutre

FCC

Angles

p/2, p/2, p/2

Oxidation States

0,1,2,4,6,8

Electron Configuration

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6

Quantum Number

1S0

Electron Configuration Semantic

[Kr] 4d10 5s2 5p6

Shells-0

2

Shells-1

8

Shells-2

18

Shells-3

18

Shells-4

8

Ionization Energies-0

1170.4

Ionization Energies-1

2046.4

Ionization Energies-2

3099.4