164Er Isotope Properties
Isotopic abundance 1.61(1)%

Ground state properties:
&mu = 0
Q = 0

Excited state properties:
E = 91.38(2) keV
ER = 2.7342(6) 10-2 eV
&mu = 0.697(15) nm
T1/2 = 1.47(3) ns
W = 2.0(3) mm/s


Unit Conversion:
1mm/s = 73.70(2) MHz
1mm/s = 3.0481(7) 10-7eV
Decay Diagram

166Er Isotope Properties
Isotopic abundance 33.6(2)%

Ground state properties:
&mu = 0
Q = 0

Excited state properties:
E = 80.574(8) keV
ER = 2.1001(2) 10-2 eV
&mu = 0.635(11) nm
T1/2 = 1.82(3) ns
W = 1.9(2) mm/s


Unit Conversion:
1mm/s = 64.987(6) MHz
1mm/s = 2.6877(3) 10-7eV
Decay Diagram

167Er Isotope Properties
Isotopic abundance 22.95(13)%

Ground state properties:
&mu = -0.56385(12)
Q = 3.565(29)?

Excited state properties:
E = 79.3221(13) keV
ER = 2.02320(3) 10-2 eV
&mu = ?
T1/2 = 1.47(3) ns
W = 2.0(3) mm/s


Unit Conversion:
1mm/s = 73.70(2) MHz
1mm/s = 3.0481(7) 10-7eV
Decay Diagram

168Er Isotope Properties
Isotopic abundance 1.61(1)%

Ground state properties:
&mu = 0
Q = 0

Excited state properties:
E = 91.38(2) keV
ER = 2.7342(6) 10-2 eV
&mu = 0.697(15) nm
T1/2 = 0.112(9) ns
W = 30(16) mm/s


Unit Conversion:
1mm/s = 63.978(1) MHz
1mm/s = 2.64590(4) 10-7eV
Decay Diagram

170Er Isotope Properties
Isotopic abundance 14.9(1)%

Ground state properties:
&mu = 0
Q = 0

Excited state properties:
E = 79.599(22) keV
ER = 2.0013(6) 10-2 eV
&mu = 0.633(13) nm
Q = -1.94(23) b
T1/2 = 1.891(23) ns
W = 1.8(1) mm/s


Unit Conversion:
1mm/s = 64.20(2) MHz
1mm/s = 2.6551(7) 10-7eV
Decay Diagram
Mössbauer Effect Data Center – July 2010