element

Information about Mercury-199:


Wikipedia	Neutron Cross Sections	X-Ray Transitions	X-Ray Attenuation

Mass-Energy Data:

Atomic Mass:	198.968262	±	0.000003	amu
Excess Mass (Δ):	-29.563297	±	0.002932	MeV
Binding Energy:	1573.168263	±	0.002943	MeV
β^- Decay Energy:	-1.445071	±	0.098504	MeV

"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.

Radioactive Decay Data:

Atomic Percent Abundance: 16.87%
Spin: 1/2-
Stable Isotope
Meta state at 0.532 Mev
Spin: 13/2+
Half life: 42.6 min ( 2556 sec., λ = 0.000271184 s^-1)
Mode of decay: γ (IT) (Q = 0.532 MeV)
Possible parent nuclides:
β^- from
199
79
Au

E.C. from
199
81
Tl

R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)

Magnetic Dipole Moments and Electric Quadrupole Moments
Ex(kev)	T_1/2	Spin	m(nm)	Q(b)	Ref. Std.	Method	Reference
0	stable	1/2-	+0.5058855(9)		[1H]	NMR/OP	AnP 6 467 (61)
158	2.45 ns	5/2-	+0.88(3)			TDPAC	ZP A283 337 (77)
			+0.91(9)			IPAC	ZP A283 337 (77)
			+0.60(15)		[198Hg 412]	TF	NP A448 123 (86)
				+0.8(4)		"ME, R"	HFI 23 259 (85)/ZP A293 219 (79)
				+0.85(12) a		Mu-X	PR C27 816 (83)
				+0.95(7) a		Mu-X	NP A314 361 (79)
				0.70(9) st	[201Hg]	"TDPAC, Q"	JCP 59 3339 (73)
208	69 ps	3/2-	-0.56(9)		[199Hg 158]	TF	HFI 59 129 (90)
			-0.29(15)		[198Hg 412]	TF	NP A448 123 (86)
			-0.47(8)			IMPAC	NP A448 123 (86)
				+0.50(12) a		Mu-X	PR C27 816 (83)
				+0.62(15) a		Mu-X	NP A314 361 (79)
414	97 ps	5/2-	+0.80(9)		[199Hg 158]	TF	HFI 59 129 (90)
			-0.7(3)		[198Hg 412]	TF	NP A448 123 (86)
532	42.6 m	13/2+	-1.014703(3)		[199Hg]	b-NMR/OP	PR C7 2065 (73)
				+1.2(5) st	[201Hg]	b-NMR/OP	ZP A325 247 (86)

N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published. 2000 Courtesy of T. Burrows at BNL/NNDC.