Manganeso (Mn)

chemical element, symbol Mn and atomic number 25

Atomic Number	25
Atomic Weight	54.938044
Numero masico	55

Group	7
Period	4
Block	d

Protón	25 p⁺
Neutrón	30 n⁰
Electrón	25 e^-

Animated Modelo atomico de Bohr of Mn (Manganeso)

Physical Property

Radio Atomico	140 pm 242 pm
molar volume	7.39 cm³/mol
Radio covalent	119 pm 105 pm 103 pm 147 pm 150 pm
Metallic Radius	118 pm 127 pm
Radio ionico	66 pm 75 pm 67 pm 83 pm 90 pm 96 pm 58 pm 58 pm 64.5 pm 39 pm 53 pm 33 pm 25.5 pm 25 pm 46 pm
Crystal Radius	80 pm 89 pm 81 pm 97 pm 104 pm 110 pm 72 pm 72 pm 78.5 pm 53 pm 67 pm 47 pm 39.5 pm 39 pm 60 pm
Radio de van der Waals	205 pm 205 pm 224 pm 296.1 pm
density	7.3 g/cm³ 5950 kg/m³

Chemical Property

enerchía

proton affinity	797.3 kJ/mol
Afinidat electronica
ionization energy	7.434018 eV/particle 15.63999 eV/particle 33.668 eV/particle 51.2 eV/particle 72.4 eV/particle 95.6 eV/particle 119.203 eV/particle 195.47 eV/particle 221.89 eV/particle 248.64 eV/particle 286.14 eV/particle 314.4 eV/particle 343.6 eV/particle 403 eV/particle 435.17 eV/particle 1133.72 eV/particle 1224.1 eV/particle 1320.3 eV/particle 1430.9 eV/particle 1537.22 eV/particle 1643.21 eV/particle 1788.7 eV/particle 1879.87 eV/particle 8140.7869 eV/particle 8571.948 eV/particle

Entalpía de vaporización	221 kJ/mol
entalpía de fusión	13.4 kJ/mol
standard enthalpy of formation	283.3 kJ/mol
Electrón

electron shell	2, 8, 13, 2

valence electron	2 ⓘ

electron configuration	[Ar] 3d⁵ 4s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵ 4s²

Numero d'oxidación	-3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7
Electronegatividat	10.34 eV/particle 0.1352844 1.55
Electrophilicity Index
fundamental state of matter

phase of matter	Solid
gaseous state of matter
Boiling Point	2334.15 K
Melting Point	1519.15 K
critical pressure
critical temperature	4325.15 K
Punto triple
appearance
Color	Silver #808090 #9c7ac7 #9c7ac7
appearance	silvery metallic
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion	0.0000217 1/K
molar heat capacity	26.32 J/(mol K)
Specific Heat Capacity	0.479 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	0.62 MS/m
electrical resistivity	0.0000016 Ω*m
superconductivity
magnetism
type	paramagnetic
magnetic susceptibility (Mass)	0.000000121 m³/Kg
magnetic susceptibility (Molar)	0.0000000066475 m³/mol
magnetic susceptibility (Volume)	0.00090387
magnetic ordering
Curie temperature
Néel temperature	100 K
structure
Crystal Structure	Body Centered Cubic (CUB)
lattice constant	8.89 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
hardness	196 MPa 6 MPa
bulk modulus	120 GPa
shear modulus
Young's modulus	198 GPa
Poisson's ratio
speed of sound	5150 m/s
classification
Category	Transition metals, Transition metals
CAS Group	VIIA
IUPAC Group	VIIB
Glawe Number	72
Mendeleev Number	55
Pettifor Number	60
Geochemical Class	first series transition metal
Goldschmidt classification	siderophile

other

Gas Basicity	774.4 kJ/mol
polarizability	68 ± 9 a₀
C6 Dispersion Coefficient	552 a₀ 635 a₀
allotrope
Neutron cross section	13.3
Neutron Mass Absorption	0.0083
quantum number	6S5/2
space group	217 (I_43m)

Isotopes of Manganese

Stable Isotopes	1
Unstable Isotopes	30
Natural Isotopes	1

⁴³Mn

Numero masico	43
neutron number	18
Relative Atomic Mass	43.018647 ± 0.000429 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración
spin	5/2
nuclear quadrupole moment
time of discovery or invention
parity	-

decay mode	intensity
p (proton emission)

⁴⁴Mn

Numero masico	44
neutron number	19
Relative Atomic Mass	44.008009 ± 0.000322 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración
spin	2
nuclear quadrupole moment
time of discovery or invention
parity	-

decay mode	intensity
p (proton emission)

⁴⁵Mn

Numero masico	45
neutron number	20
Relative Atomic Mass	44.994654 ± 0.000322 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración
spin	5/2
nuclear quadrupole moment
time of discovery or invention
parity	-

decay mode	intensity
p (proton emission)

⁴⁶Mn

Numero masico	46
neutron number	21
Relative Atomic Mass	45.986669 ± 0.000093 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	36.2 ± 0.4 ms
spin	4
nuclear quadrupole moment
time of discovery or invention	1987
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	57%
2p (2-proton emission)	18%
β⁺α (β⁺-delayed α emission)

⁴⁷Mn

Numero masico	47
neutron number	22
Relative Atomic Mass	46.975774 ± 0.000034 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	88 ± 1.3 ms
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1987
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	1.7%

⁴⁸Mn

Numero masico	48
neutron number	23
Relative Atomic Mass	47.96854876 ± 0.000007191 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	158.1 ± 2.2 ms
spin	4
nuclear quadrupole moment
time of discovery or invention	1987
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	0.28%
β⁺α (β⁺-delayed α emission)	6%

⁴⁹Mn

Numero masico	49
neutron number	24
Relative Atomic Mass	48.95961335 ± 0.000002377 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	382 ± 7 ms
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1970
parity	-

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

⁵⁰Mn

Numero masico	50
neutron number	25
Relative Atomic Mass	49.954238157 ± 0.000000123 Da
g-factor	0
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	283.21 ± 0.07 ms
spin	0
nuclear quadrupole moment	0
time of discovery or invention	1952
parity	+

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

⁵¹Mn

Numero masico	51
neutron number	26
Relative Atomic Mass	50.94820877 ± 0.000000326 Da
g-factor	1.43 ± 0.0016
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	45.81 ± 0.21 m
spin	5/2
nuclear quadrupole moment	0.41 ± 0.08
time of discovery or invention	1938
parity	-

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

⁵²Mn

Numero masico	52
neutron number	27
Relative Atomic Mass	51.94555909 ± 0.000000138 Da
g-factor	0.51036666666667 ± 0.0002
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	5.591 ± 0.003 d
spin	6
nuclear quadrupole moment	0.5 ± 0.07
time of discovery or invention	1938
parity	+

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

⁵³Mn

Numero masico	53
neutron number	28
Relative Atomic Mass	52.941287497 ± 0.000000371 Da
g-factor	1.438 ± 0.0014285714285714
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	3.7 ± 0.4 My
spin	7/2
nuclear quadrupole moment	0.17 ± 0.03
time of discovery or invention	1955
parity	-

decay mode	intensity
ϵ (electron capture)	100%

⁵⁴Mn

Numero masico	54
neutron number	29
Relative Atomic Mass	53.940355772 ± 0.00000108 Da
g-factor	1.099 ± 0.001
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	312.081 ± 0.032 d
spin	3
nuclear quadrupole moment	0.37 ± 0.03
time of discovery or invention	1938
parity	+

decay mode	intensity
ϵ (electron capture)	100%
β⁻ (β⁻ decay)	0.93%
e⁺ (positron emission)	1.28%

⁵⁵Mn

Numero masico	55
neutron number	30
Relative Atomic Mass	54.93804304 ± 0.000000279 Da
g-factor
natural abundance	100
Radioactividat	stable isotope
Periodo de semidesintegración	Not Radioactive ☢️
spin	5/2
nuclear quadrupole moment	0.33 ± 0.01
time of discovery or invention	1923
parity	-

⁵⁶Mn

Numero masico	56
neutron number	31
Relative Atomic Mass	55.938902816 ± 0.000000314 Da
g-factor	1.08 ± 0.00066666666666667
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	2.5789 ± 0.0001 h
spin	3
nuclear quadrupole moment	0.24 ± 0.08
time of discovery or invention	1934
parity	+

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

⁵⁷Mn

Numero masico	57
neutron number	32
Relative Atomic Mass	56.938285944 ± 0.000001615 Da
g-factor	1.3924 ± 0.0008
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	85.4 ± 1.8 s
spin	5/2
nuclear quadrupole moment	0.37 ± 0.03
time of discovery or invention	1954
parity	-

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

⁵⁸Mn

Numero masico	58
neutron number	33
Relative Atomic Mass	57.940066643 ± 0.0000029 Da
g-factor	2.623 ± 0.002
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	3 ± 0.1 s
spin	1
nuclear quadrupole moment	0.03 ± 0.08
time of discovery or invention	1961
parity	+

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

⁵⁹Mn

Numero masico	59
neutron number	34
Relative Atomic Mass	58.940391111 ± 0.0000025 Da
g-factor	1.3976 ± 0.0012
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	4.59 ± 0.05 s
spin	5/2
nuclear quadrupole moment	0.34 ± 0.03
time of discovery or invention	1976
parity	-

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

⁶⁰Mn

Numero masico	60
neutron number	35
Relative Atomic Mass	59.943136574 ± 0.0000025 Da
g-factor	2.488 ± 0.007
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	280 ± 20 ms
spin	1
nuclear quadrupole moment	0.1 ± 0.2
time of discovery or invention	1978
parity	+

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

⁶¹Mn

Numero masico	61
neutron number	36
Relative Atomic Mass	60.944452541 ± 0.0000025 Da
g-factor	1.4132 ± 0.0008
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	709 ± 8 ms
spin	5/2
nuclear quadrupole moment	0.36 ± 0.03
time of discovery or invention	1980
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

⁶²Mn

Numero masico	62
neutron number	37
Relative Atomic Mass	61.947907384 ± 0.000007023 Da
g-factor	2.384 ± 0.007
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	92 ± 13 ms
spin	1
nuclear quadrupole moment	0.1 ± 0.2
time of discovery or invention	1983
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

⁶³Mn

Numero masico	63
neutron number	38
Relative Atomic Mass	62.949664672 ± 0.000004 Da
g-factor	1.3756 ± 0.0012
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	275 ± 4 ms
spin	5/2
nuclear quadrupole moment	0.48 ± 0.04
time of discovery or invention	1985
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

⁶⁴Mn

Numero masico	64
neutron number	39
Relative Atomic Mass	63.953849369 ± 0.0000038 Da
g-factor	2.085 ± 0.003
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	88.8 ± 2.4 ms
spin	1
nuclear quadrupole moment
time of discovery or invention	1985
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	2.7%

⁶⁵Mn

Numero masico	65
neutron number	40
Relative Atomic Mass	64.956019749 ± 0.000004 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	91.9 ± 0.7 ms
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1985
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	7.9%

⁶⁶Mn

Numero masico	66
neutron number	41
Relative Atomic Mass	65.960546833 ± 0.000012 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	63.8 ± 0.9 ms
spin	1
nuclear quadrupole moment
time of discovery or invention	1992
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	7.4%
2n (2-neutron emission)

⁶⁷Mn

Numero masico	67
neutron number	42
Relative Atomic Mass	66.96395 ± 0.000215 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	46.7 ± 2.3 ms
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1997
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	10%
2n (2-neutron emission)

⁶⁸Mn

Numero masico	68
neutron number	43
Relative Atomic Mass	67.968953 ± 0.000322 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	33.7 ± 1.5 ms
spin	3
nuclear quadrupole moment
time of discovery or invention	1995
parity

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	18%
2n (2-neutron emission)

⁶⁹Mn

Numero masico	69
neutron number	44
Relative Atomic Mass	68.972775 ± 0.000429 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	22.1 ± 1.6 ms
spin	5/2
nuclear quadrupole moment
time of discovery or invention	1995
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	40%
2n (2-neutron emission)

⁷⁰Mn

Numero masico	70
neutron number	45
Relative Atomic Mass	69.978046 ± 0.000537 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración	19.9 ± 1.7 ms
spin	4
nuclear quadrupole moment
time of discovery or invention	2009
parity

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁷¹Mn

Numero masico	71
neutron number	46
Relative Atomic Mass	70.982158 ± 0.000537 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración
spin	5/2
nuclear quadrupole moment
time of discovery or invention	2010
parity	-

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁷²Mn

Numero masico	72
neutron number	47
Relative Atomic Mass	71.988009 ± 0.000644 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración
spin
nuclear quadrupole moment
time of discovery or invention	2013
parity

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁷³Mn

Numero masico	73
neutron number	48
Relative Atomic Mass	72.992807 ± 0.000644 Da
g-factor
natural abundance
Radioactividat	☢️ radioactive element
Periodo de semidesintegración
spin	5/2
nuclear quadrupole moment
time of discovery or invention	2017
parity	-

decay mode	intensity
β⁻ (β⁻ decay)

historia

discoverer or inventor	Johann Gahn
location of discovery	Sweden
time of discovery or invention	1774
Etimolochía	Latin: magnes (magnet); Italian: manganese.
pronunciation	MAN-ge-nees (English)

source

Abundance
Abundance in Earth's crust	950 mg/kg
natural abundance (ocián)	0.0002 mg/L
natural abundance (human body)	0.00002 %
natural abundance (meteoroid)	0.27 %
natural abundance (Sol)	0.001 %
Abundance in Universe	0.0008 %

Nuclear Screening Constants

1	s	0.6043
2	p	3.916
2	s	7.2062
3	d	14.4718
3	p	12.8908
3	s	11.9821
4	s	19.7168

Manganeso on ChemicalAid

Manganeso (Mn)

Physical Property

Chemical Property

other

Isotopes of Manganese

43Mn

44Mn

45Mn

46Mn

47Mn

48Mn

49Mn

50Mn

51Mn

52Mn

53Mn

54Mn

55Mn

56Mn

57Mn

58Mn

59Mn

60Mn

61Mn

62Mn

63Mn

64Mn

65Mn

66Mn

67Mn

68Mn

69Mn

70Mn

71Mn

72Mn

73Mn

historia

source

Nuclear Screening Constants

⁴³Mn

⁴⁴Mn

⁴⁵Mn

⁴⁶Mn

⁴⁷Mn

⁴⁸Mn

⁴⁹Mn

⁵⁰Mn

⁵¹Mn

⁵²Mn

⁵³Mn

⁵⁴Mn

⁵⁵Mn

⁵⁶Mn

⁵⁷Mn

⁵⁸Mn

⁵⁹Mn

⁶⁰Mn

⁶¹Mn

⁶²Mn

⁶³Mn

⁶⁴Mn

⁶⁵Mn

⁶⁶Mn

⁶⁷Mn

⁶⁸Mn

⁶⁹Mn

⁷⁰Mn

⁷¹Mn

⁷²Mn

⁷³Mn