ایزوتوپ‌های فرانسیم

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جدول

نماد هسته	Z(p)	N(n)	جرم ایزوتوپ (u)	نیمه عمر	اسپین هسته	representative isotopic composition (mole fraction)	range of natural variation (mole fraction)
	انرژی تحریک
199Fr	87	112	199.00726(4)	16(7) ms	1/2+#
200Fr	87	113	200.00657(8)	24(10) ms	3+#
200mFr	60(110) keV			650(210) ms	10-#
201Fr	87	114	201.00386(8)	67(3) ms	(9/2-)
202Fr	87	115	202.00337(5)	290(30) ms	(3+)
202mFr	330(90)# keV			340(40) ms	(10-)
203Fr	87	116	203.000925(17)	0.55(2) s	(9/2-)#
204Fr	87	117	204.000653(26)	1.7(3) s	(3+)
204m1Fr	50(4) keV			2.6(3) s	(7+)
204m2Fr	326(4) keV			1.7(6) s	(10-)
205Fr	87	118	204.998594(8)	3.80(3) s	(9/2-)
206Fr	87	119	205.99867(3)	~16 s	(2+,3+)
206m1Fr	190(40) keV			15.9(1) s	(7+)
206m2Fr	730(40) keV			700(100) ms	(10-)
207Fr	87	120	206.99695(5)	14.8(1) s	9/2-
208Fr	87	121	207.99714(5)	59.1(3) s	7+
209Fr	87	122	208.995954(16)	50.0(3) s	9/2-
210Fr	87	123	209.996408(24)	3.18(6) min	6+
211Fr	87	124	210.995537(23)	3.10(2) min	9/2-
212Fr	87	125	211.996202(28)	20.0(6) min	5+
213Fr	87	126	212.996189(8)	34.6(3) s	9/2-
214Fr	87	127	213.998971(9)	5.0(2) ms	(1-)
214m1Fr	123(6) keV			3.35(5) ms	(8-)
214m2Fr	638(6) keV			103(4) ns	(11+)
214m3Fr	6477+Y keV			108(7) ns	(33+)
215Fr	87	128	215.000341(8)	86(5) ns	9/2-
216Fr	87	129	216.003198(15)	0.70(2) µs	(1-)
217Fr	87	130	217.004632(7)	16.8(19) µs	9/2-
218Fr	87	131	218.007578(5)	1.0(6) ms	1-
218m1Fr	86(4) keV			22.0(5) ms
218m2Fr	200(150)# keV				high
219Fr	87	132	219.009252(8)	20(2) ms	9/2-
220Fr	87	133	220.012327(4)	27.4(3) s	1+
221Fr	87	134	221.014255(5)	4.9(2) min	5/2-
222Fr	87	135	222.017552(23)	14.2(3) min	2-
223Fr	87	136	223.0197359(26)	22.00(7) min	3/2(-)
224Fr	87	137	224.02325(5)	3.33(10) min	1-
225Fr	87	138	225.02557(3)	4.0(2) min	3/2-
226Fr	87	139	226.02939(11)	49(1) s	1-
227Fr	87	140	227.03184(11)	2.47(3) min	1/2+
228Fr	87	141	228.03573(22)#	38(1) s	2-
229Fr	87	142	229.03845(4)	50.2(4) s	(1/2+)#
230Fr	87	143	230.04251(48)#	19.1(5) s
231Fr	87	144	231.04544(50)#	17.6(6) s	(1/2+)#
232Fr	87	145	232.04977(69)#	5(1) s

یادداشت‌ها

• Values marked # are not purely derived from experimental data, but at least partly from systematic trends. Spins with weak assignment arguments are enclosed in parentheses.
• Uncertainties are given in concise form in parentheses after the corresponding last digits. Uncertainty values denote one standard deviation, except isotopic composition and standard atomic mass from IUPAC which use expanded uncertainties.

منابع

• Isotope masses from Ame2003 Atomic Mass Evaluation بایگانی‌شده در ۲۳ سپتامبر ۲۰۰۸ توسط Wayback Machine by G. Audi، A.H. Wapstra، C. Thibault، J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
• Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report). Pure Appl. Chem. Vol. 75، No. 6، pp. 683-800، (2003) and Atomic Weights Revised (2005) بایگانی‌شده در ۵ مارس ۲۰۰۸ توسط Wayback Machine.
• Half-life، spin، and isomer data selected from these sources. Editing notes on this article's talk page.
  • Audi، Bersillon، Blachot، Wapstra. The Nubase2003 evaluation of nuclear and decay properties، Nuc. Phys. A 729، pp. 3-128 (2003).
  • National Nuclear Data Center، Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (retrieved Sept. 2005).
  • David R. Lide (ed.)، Norman E. Holden in CRC Handbook of Chemistry and Physics، 85th Edition، online version. CRC Press. Boca Raton، Florida (2005). Section 11، Table of the Isotopes.