Rhenium (Re)

chemical element with symbol Re and atomic number 75

Atomic Number	75
Atomic Weight	186.207
mass number	187

Group	7
Period	6
Block	d

proton	75 p⁺
neutron	112 n⁰
electron	75 e^-

Āhuatanga Ōkiko

Atomic Radius	135 pm 249 pm
molar volume	8.85 cm³/mol
covalent radius	131 pm 119 pm 110 pm 151 pm
Metallic Radius	128 pm 137 pm
ionic radius	63 pm 58 pm 55 pm 38 pm 53 pm
Crystal Radius	77 pm 72 pm 69 pm 52 pm 67 pm
Van der Waals radius	205 pm 216 pm 237 pm 295.4 pm
density	20.8 g/cm³ 18,900 kg/m³

Chemical Property

{ERROR}

energy

proton affinity
electron affinity	0.15 eV/particle
ionization energy	7.83352 eV/particle 16.6 eV/particle 27 eV/particle 39.1 eV/particle 51.9 eV/particle 67 eV/particle 82.71 eV/particle 144.4 eV/particle 165 eV/particle 187 eV/particle 208 eV/particle 236 eV/particle 268 eV/particle 291 eV/particle 330 eV/particle 377 eV/particle 403 eV/particle 429 eV/particle 476 eV/particle 520 eV/particle 570 eV/particle 620 eV/particle 670 eV/particle 720 eV/particle 760 eV/particle 810 eV/particle 860 eV/particle 910 eV/particle 953 eV/particle 1,194 eV/particle 1,242 eV/particle 1,294 eV/particle 1,349 eV/particle 1,402 eV/particle 1,454 eV/particle 1,530 eV/particle 1,583 eV/particle 1,641 eV/particle 1,696 eV/particle 1,912 eV/particle 1,966 eV/particle 2,025 eV/particle 2,080 eV/particle 2,240 eV/particle 2,302 eV/particle 2,450 eV/particle 2,514.54 eV/particle 4,214 eV/particle 4,335 eV/particle 4,468 eV/particle 4,609 eV/particle 4,745 eV/particle 4,877 eV/particle 5,099 eV/particle 5,236 eV/particle 5,388 eV/particle 5,528 eV/particle 5,919 eV/particle 6,042 eV/particle 6,176 eV/particle 6,300 eV/particle 6,810 eV/particle 6,952 eV/particle 7,230 eV/particle 7,366 eV/particle 16,080 eV/particle 16,410 eV/particle 16,780 eV/particle 17,120 eV/particle 19,000 eV/particle 19,420 eV/particle 19,950 eV/particle 20,297.4 eV/particle 81,556.9 eV/particle 83,162.3 eV/particle

enthalpy of vaporization	704 kJ/mol
enthalpy of fusion	34 kJ/mol
standard enthalpy of formation	774 kJ/mol
electron

electron shell	2, 8, 18, 32, 13, 2

valence electron	2 ⓘ

electron configuration	[Xe] 4f¹⁴ 5d⁵ 6s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁴ 5d⁵ 6s²

oxidation number	-3, -1, 0, 1, 2, 3, 4, 5, 6, 7
electronegativity	9.46 eV/particle 0.2435164 1.9
Electrophilicity Index	1.0369041726708592 eV/particle
fundamental state of matter

phase of matter
gaseous state of matter
Boiling Point	5,863.15 K
Melting Point	3,458.15 K
critical pressure
critical temperature
triple point
appearance
color	Black #ff1493 #267dab #267dab
appearance	silvery-grayish
refractive index
thermodynamic material property
Thermal Conductivity	48 W/(m K)
thermal expansion	0.0000062 1/K
molar heat capacity	25.48 J/(mol K)
Specific Heat Capacity	0.137 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	5.6 MS/m
electrical resistivity	0.00000018 Ω*m
superconductivity	1.7 K
magnetism
type	paramagnetic
magnetic susceptibility (Mass)	0.00000000456 m³/Kg
magnetic susceptibility (Molar)	0.000000000849 m³/mol
magnetic susceptibility (Volume)	0.0000959
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal Structure	{ERROR}
lattice constant	2.76 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
hardness	1,320 MPa 7 MPa 2,450 MPa
bulk modulus	370 GPa
shear modulus	178 GPa
Young's modulus	463 GPa
Poisson's ratio	0.3
speed of sound	4,700 m/s
classification
Category	Actinides, Transition metals
CAS Group	VIIA
IUPAC Group	VIIB
Glawe Number	58
Mendeleev Number	57
Pettifor Number	59
Geochemical Class
Goldschmidt classification	siderophile

other

Gas Basicity
polarizability	62 ± 3 a₀
C6 Dispersion Coefficient	663 a₀
allotrope
Neutron cross section	90
Neutron Mass Absorption	0.016
quantum number	6S5/2
space group	194 (P63/mmc)

Isotopes of Rhenium

Stable Isotopes	1
Unstable Isotopes	40
Natural Isotopes	2

¹⁵⁹Re

mass number	159
neutron number	84
Relative Atomic Mass	158.984106 ± 0.000327 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	2006
parity	+

decay mode	intensity
p (proton emission)
α (α emission)

¹⁶⁰Re

mass number	160
neutron number	85
Relative Atomic Mass	159.98188 ± 0.000322 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	611 ± 7 us
spin	4
nuclear quadrupole moment
time of discovery or invention	1992
parity	-

decay mode	intensity
p (proton emission)	89%
α (α emission)	11%

¹⁶¹Re

mass number	161
neutron number	86
Relative Atomic Mass	160.977624313 ± 0.00016093 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	440 ± 1 us
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	1979
parity	+

decay mode	intensity
p (proton emission)	100%
α (α emission)

¹⁶²Re

mass number	162
neutron number	87
Relative Atomic Mass	161.975896 ± 0.000215 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	107 ± 13 ms
spin	2
nuclear quadrupole moment
time of discovery or invention	1979
parity

decay mode	intensity
α (α emission)	94%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

¹⁶³Re

mass number	163
neutron number	88
Relative Atomic Mass	162.972085434 ± 0.000019897 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	390 ± 70 ms
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	1979
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
α (α emission)	32%

¹⁶⁴Re

mass number	164
neutron number	89
Relative Atomic Mass	163.970507122 ± 0.000058566 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	719 ± 89 ms
spin	2
nuclear quadrupole moment
time of discovery or invention	1979
parity

decay mode	intensity
α (α emission)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

¹⁶⁵Re

mass number	165
neutron number	90
Relative Atomic Mass	164.967085831 ± 0.000025328 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	1.6 ± 0.6 s
spin	1/2
nuclear quadrupole moment	0
time of discovery or invention	1981
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	86%
α (α emission)	14%

¹⁶⁶Re

mass number	166
neutron number	91
Relative Atomic Mass	165.965821216 ± 0.000094731 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	2.25 ± 0.21 s
spin	7
nuclear quadrupole moment
time of discovery or invention	1978
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	88%
α (α emission)	12%

¹⁶⁷Re

mass number	167
neutron number	92
Relative Atomic Mass	166.962604 ± 0.000043 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	3.4 ± 0.4 s
spin	9/2
nuclear quadrupole moment
time of discovery or invention	1992
parity	-

decay mode	intensity
α (α emission)	100%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

¹⁶⁸Re

mass number	168
neutron number	93
Relative Atomic Mass	167.961572607 ± 0.000033087 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	4.4 ± 0.1 s
spin	7
nuclear quadrupole moment
time of discovery or invention	1992
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
α (α emission)	0.005%

¹⁶⁹Re

mass number	169
neutron number	94
Relative Atomic Mass	168.958765979 ± 0.000012204 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	8.1 ± 0.5 s
spin	9/2
nuclear quadrupole moment
time of discovery or invention	1978
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
α (α emission)	0.005%

¹⁷⁰Re

mass number	170
neutron number	95
Relative Atomic Mass	169.958234844 ± 0.000012267 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	8
nuclear quadrupole moment
time of discovery or invention	1974
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁷¹Re

mass number	171
neutron number	96
Relative Atomic Mass	170.955716 ± 0.00003 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	15.2 ± 0.4 s
spin	9/2
nuclear quadrupole moment
time of discovery or invention	1987
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁷²Re

mass number	172
neutron number	97
Relative Atomic Mass	171.955376165 ± 0.000038183 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	55 ± 5 s
spin	2
nuclear quadrupole moment
time of discovery or invention	1977
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁷³Re

mass number	173
neutron number	98
Relative Atomic Mass	172.953243 ± 0.00003 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	2 ± 0.3 m
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1986
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁷⁴Re

mass number	174
neutron number	99
Relative Atomic Mass	173.953115 ± 0.00003 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	2.4 ± 0.04 m
spin	3
nuclear quadrupole moment
time of discovery or invention	1972
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁷⁵Re

mass number	175
neutron number	100
Relative Atomic Mass	174.951381 ± 0.00003 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	5.89 ± 0.05 m
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1967
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁷⁶Re

mass number	176
neutron number	101
Relative Atomic Mass	175.951623 ± 0.00003 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	5.3 ± 0.3 m
spin	3
nuclear quadrupole moment
time of discovery or invention	1967
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁷⁷Re

mass number	177
neutron number	102
Relative Atomic Mass	176.950328 ± 0.00003 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	14 ± 1 m
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1957
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁷⁸Re

mass number	178
neutron number	103
Relative Atomic Mass	177.950989 ± 0.00003 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	13.2 ± 0.2 m
spin	3
nuclear quadrupole moment
time of discovery or invention	1957
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁷⁹Re

mass number	179
neutron number	104
Relative Atomic Mass	178.949989686 ± 0.00002645 Da
g-factor	1.12 ± 0.16
natural abundance
radioactivity	☢️ radioactive element
half-life	19.5 ± 0.1 m
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1960
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸⁰Re

mass number	180
neutron number	105
Relative Atomic Mass	179.950791568 ± 0.000022965 Da
g-factor	1.6 ± 0.2
natural abundance
radioactivity	☢️ radioactive element
half-life	2.46 ± 0.03 m
spin	1
nuclear quadrupole moment
time of discovery or invention	1955
parity

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸¹Re

mass number	181
neutron number	106
Relative Atomic Mass	180.950061507 ± 0.000013471 Da
g-factor	1.276 ± 0.028
natural abundance
radioactivity	☢️ radioactive element
half-life	19.9 ± 0.7 h
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1957
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸²Re

mass number	182
neutron number	107
Relative Atomic Mass	181.95121156 ± 0.000109483 Da
g-factor	0.40571428571429 ± 0.0085714285714286
natural abundance
radioactivity	☢️ radioactive element
half-life	64.2 ± 0.5 h
spin	7
nuclear quadrupole moment
time of discovery or invention	1950
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸³Re

mass number	183
neutron number	108
Relative Atomic Mass	182.950821306 ± 0.000008625 Da
g-factor	1.2632 ± 0.006
natural abundance
radioactivity	☢️ radioactive element
half-life	70 ± 1.4 d
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1950
parity	+

decay mode	intensity
ϵ (electron capture)	100%

¹⁸⁴Re

mass number	184
neutron number	109
Relative Atomic Mass	183.952528073 ± 0.00000459 Da
g-factor	0.84333333333333 ± 0.016666666666667
natural abundance
radioactivity	☢️ radioactive element
half-life	35.4 ± 0.7 d
spin	3
nuclear quadrupole moment
time of discovery or invention	1940
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁸⁵Re

mass number	185
neutron number	110
Relative Atomic Mass	184.95295832 ± 0.000000879 Da
g-factor
natural abundance	37.4 ± 0.05
radioactivity	stable isotope
half-life	Not Radioactive ☢️
spin	5/2
nuclear quadrupole moment	2.07 ± 0.05
time of discovery or invention	1931
parity	+

¹⁸⁶Re

mass number	186
neutron number	111
Relative Atomic Mass	185.954989172 ± 0.00000088 Da
g-factor	1.734 ± 0.003
natural abundance
radioactivity	☢️ radioactive element
half-life	3.7185 ± 0.0005 d
spin	1
nuclear quadrupole moment
time of discovery or invention	1939
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	92.53%
ϵ (electron capture)	7.47%

¹⁸⁷Re

mass number	187
neutron number	112
Relative Atomic Mass	186.955752217 ± 0.000000791 Da
g-factor
natural abundance	62.6 ± 0.05
radioactivity	☢️ radioactive element
half-life	41.6 ± 0.02 Gy
spin	5/2
nuclear quadrupole moment	1.94 ± 0.05
time of discovery or invention	1931
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
α (α emission)	0%

¹⁸⁸Re

mass number	188
neutron number	113
Relative Atomic Mass	187.958113658 ± 0.000000792 Da
g-factor	1.783 ± 0.005
natural abundance
radioactivity	☢️ radioactive element
half-life	17.005 ± 0.003 h
spin	1
nuclear quadrupole moment
time of discovery or invention	1939
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁸⁹Re

mass number	189
neutron number	114
Relative Atomic Mass	188.959227764 ± 0.000008793 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	24.3 ± 0.4 h
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1963
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁹⁰Re

mass number	190
neutron number	115
Relative Atomic Mass	189.961800064 ± 0.000005227 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	3 ± 0.2 m
spin	2
nuclear quadrupole moment
time of discovery or invention	1955
parity

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁹¹Re

mass number	191
neutron number	116
Relative Atomic Mass	190.963123322 ± 0.000011019 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	9.8 ± 0.5 m
spin	3/2
nuclear quadrupole moment
time of discovery or invention	1963
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁹²Re

mass number	192
neutron number	117
Relative Atomic Mass	191.966088 ± 0.000076 Da
g-factor	0
natural abundance
radioactivity	☢️ radioactive element
half-life	15.4 ± 0.5 s
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1965
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁹³Re

mass number	193
neutron number	118
Relative Atomic Mass	192.967545 ± 0.000042 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1999
parity	+

decay mode	intensity
β⁻ (β⁻ decay)

¹⁹⁴Re

mass number	194
neutron number	119
Relative Atomic Mass	193.970735 ± 0.000215 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	5 ± 1 s
spin	1
nuclear quadrupole moment
time of discovery or invention	1999
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁹⁵Re

mass number	195
neutron number	120
Relative Atomic Mass	194.97256 ± 0.000322 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	6 ± 1 s
spin	5/2
nuclear quadrupole moment
time of discovery or invention	2008
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁹⁶Re

mass number	196
neutron number	121
Relative Atomic Mass	195.975996 ± 0.000322 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life	2.4 ± 1.5 s
spin
nuclear quadrupole moment
time of discovery or invention	2008
parity

decay mode	intensity
β⁻ (β⁻ decay)

¹⁹⁷Re

mass number	197
neutron number	122
Relative Atomic Mass	196.978153 ± 0.000322 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	5/2
nuclear quadrupole moment
time of discovery or invention	2009
parity	+

decay mode	intensity
β⁻ (β⁻ decay)

¹⁹⁸Re

mass number	198
neutron number	123
Relative Atomic Mass	197.98176 ± 0.000429 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin
nuclear quadrupole moment
time of discovery or invention	2009
parity

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

¹⁹⁹Re

mass number	199
neutron number	124
Relative Atomic Mass	198.984187 ± 0.000429 Da
g-factor
natural abundance
radioactivity	☢️ radioactive element
half-life
spin	5/2
nuclear quadrupole moment
time of discovery or invention	2012
parity	+

decay mode	intensity
β⁻ (β⁻ decay)

kōrero nehe

discoverer or inventor	Walter Noddack, Ida Tacke, Otto Berg
location of discovery	Germany
time of discovery or invention	1925
etymology	Latin: Rhenus, the Rhine River.
pronunciation	REE-ni-em (Ingarihi)

source

Abundance
Abundance in Earth's crust	0.0007 mg/kg
natural abundance (Moana nui)	0.000004 mg/L
natural abundance (human body)
natural abundance (meteoroid)	0.0000049 %
natural abundance (Te Rā)	0.00000001 %
Abundance in Universe	0.00000002 %

Nuclear Screening Constants

1	s	1.4522
2	p	4.438
2	s	19.5902
3	d	13.5453
3	p	21.5655
3	s	22.3515
4	d	36.9456
4	f	39.0752
4	p	34.6268
4	s	33.6436
5	d	57.617
5	p	52.856
5	s	50.643
6	s	64.884

Rhenium on ChemicalAid

rhenium

Rhenium (Re)

Āhuatanga Ōkiko

Chemical Property

other

Isotopes of Rhenium

159Re

160Re

161Re

162Re

163Re

164Re

165Re

166Re

167Re

168Re

169Re

170Re

171Re

172Re

173Re

174Re

175Re

176Re

177Re

178Re

179Re

180Re

181Re

182Re

183Re

184Re

185Re

186Re

187Re

188Re

189Re

190Re

191Re

192Re

193Re

194Re

195Re

196Re

197Re

198Re

199Re

kōrero nehe

source

Nuclear Screening Constants

¹⁵⁹Re

¹⁶⁰Re

¹⁶¹Re

¹⁶²Re

¹⁶³Re

¹⁶⁴Re

¹⁶⁵Re

¹⁶⁶Re

¹⁶⁷Re

¹⁶⁸Re

¹⁶⁹Re

¹⁷⁰Re

¹⁷¹Re

¹⁷²Re

¹⁷³Re

¹⁷⁴Re

¹⁷⁵Re

¹⁷⁶Re

¹⁷⁷Re

¹⁷⁸Re

¹⁷⁹Re

¹⁸⁰Re

¹⁸¹Re

¹⁸²Re

¹⁸³Re

¹⁸⁴Re

¹⁸⁵Re

¹⁸⁶Re

¹⁸⁷Re

¹⁸⁸Re

¹⁸⁹Re

¹⁹⁰Re

¹⁹¹Re

¹⁹²Re

¹⁹³Re

¹⁹⁴Re

¹⁹⁵Re

¹⁹⁶Re

¹⁹⁷Re

¹⁹⁸Re

¹⁹⁹Re