𬬻的同位素

注意：本页有Unihan扩展B区汉字：“𨧀”，这些字符可能会错误显示，详见Unicode扩展汉字。

𬬻的同位素均具有放射性。

主要的𬬻同位素

同位素 衰变 丰度 半衰期 (t1/2) 方式 能量 （MeV） 产物 261Rf 人造 2.1 秒 SF — — α 8.51[1] 257No 261mRf 人造 74 秒 α 8.29[1] 257No 263Rf 人造 11 分钟 SF — — 265Rf 人造 1.1 分钟[2] SF — — 267Rf 人造 48 分钟[3] SF — —

←Lr（103） Db（105）→

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图表

符号	Z	N	同位素质量（u）[4] [n 1][n 2]	半衰期[5] [n 1][n 2]	衰变 方式[5]	衰变 产物	原子核 自旋[5][n 1]
	激发能量[n 1][n 2]
252Rf[6]	104	148		6992600000000000000♠60+90 −30 ns	SF	(various)	0+
252mRf[6]				6995129999999999999♠13+4 −3 µs	SF (≤90%)	(various)	(6+)
					IT (≥10%)	252Rf
253Rf[7]	104	149	253.10053(44)#	6997990000000000000♠9.9(12) ms	SF (83%)	(various)	(1/2+)
					α (17%)	249No
253m1Rf[n 3]	200(150)# keV			6995527999999999999♠52.8(44) µs[7]	SF	(various)	(7/2+)
253m2Rf[7]	>1020 keV			6996660000000000000♠660+400 −180 µs	IT	253m1Rf
254Rf	104	150	254.10006(30)#	6995228999999999999♠22.9(10) µs	SF	(various)	0+
254m1Rf	1300(200)# keV			6994429999999999999♠4.3(7) µs	IT	254Rf	8−#
254m2Rf	2000(500)# keV			6996247000000000000♠247(73) µs	IT	254m1Rf	16+#
255Rf[8]	104	151	255.10127(19)#	1.69(3) s	SF (50.9%)	(various)	(9/2−)
					α (49.1%)	251No
					β+ (<6%)	255Lr
255m1Rf	150 keV			50(17) μs	IT	255Rf	(5/2+)
255m2Rf	1103 keV			6995290000000000000♠29+7 −5 µs	IT	255Rf	(19/2+)
255m3Rf	1303 keV			6995490000000000000♠49+13 −10 µs	IT	255Rf	(25/2+)
256Rf	104	152	256.101151(19)	6997660000000000000♠6.60(5) ms	SF (99.69%)	(various)	0+
					α (0.31%)	252No
256m1Rf	1120(100)# keV			6995249999999999999♠25(2) µs	IT	256Rf	4−#
256m2Rf	1400(100)# keV			6995170000000000000♠17(2) µs	IT	256m1Rf	8−#
256m3Rf	2400(200)# keV			6995270000000000000♠27(5) µs	IT	256m2Rf
257Rf	104	153	257.102917(12)	7000620000000000000♠6.2+1.2 −1.0 s[9]	α (89.3%)	253No	(1/2+)
					β+ (9.4%)	257mLr
					SF (1.3%)	(various)
257m1Rf[9]	74 keV			4.37(5) s	α (80.54%)	253No	(11/2−)
					IT (14.2%)	257Rf
					β+ (4.86%)	257Lr
					SF (0.4%)	(various)
257m2Rf	1155(11) keV			6996106000000000000♠106(6) µs	IT	257m1Rf	21/2+#
258Rf	104	154	258.103430(17)	6998125000000000000♠12.5(5) ms	SF (95.1%)	(various)	0+
					α (4.9%)	254No
258m1Rf	1200(300)# keV			6997239999999999999♠2.4+2.4 −0.8 ms [6997340000000000000♠3.4(17) ms]	IT	258Rf
258m2Rf	1500(500)# keV			6995150000000000000♠15(10) µs	IT	258m1Rf
259Rf	104	155	259.10560(8)#	7000263000000000000♠2.63(26) s	α (85%)	255No	3/2+#
					β+ (15%)	259Lr
260Rf	104	156	260.10644(22)#	6998210000000000000♠21(1) ms	SF	(various)	0+
					α (<20%)[10]	256No
261Rf	104	157	261.10877(7)	7000210000000000000♠2.1(2) s	SF (82%)	(various)	3/2+#
					α (18%)	257No
261mRf[n 3]	70(100)# keV			7001740000000000000♠74(5) s	α	257No	11/2−#
262Rf	104	158	262.10992(24)#	6999210000000000000♠210+128 −58 ms [6999250000000000000♠250(100) ms]	SF	(various)	0+
262mRf	1000(400)# keV			6998470000000000000♠47(5) ms	SF	(various)	(8−,9−)#
263Rf	104	159	263.11246(16)#	7002660000000000000♠11(3) min	SF	(various)	3/2+#
263mRf[n 4]				7000509999999999999♠5.1+4.6 −1.7 s[11]	SF	(various)	1/2#
265Rf[n 5]	104	161	265.11668(39)#	7001780000000000000♠1.3+0.8 −0.3 min[12]	SF	(various)	9/2+#
266Rf[n 6][n 7]	104	162	266.11824(44)#	23 s#[13][14]	SF	(various)	0+
267Rf[n 8]	104	163	267.12179(62)#	7003288000000000000♠48+23 −12 min[3]	SF	(various)	13/2−#
268Rf[n 6][n 9]	104	164	268.12397(71)#	1.4 s#[14][15]	SF	(various)	0+
270Rf[16][n 6][n 10]	104	166		20 ms#[14][17]	SF	(various)	0+

1. 画上#号的数据代表没有经过实验的证明，仅为理论推测。
2. 用括号括起来的数据代表不确定性。
3. Order of ground state and isomer is uncertain.
4. Not directly synthesized, occurs in decay chain of ²⁷¹Hs
5. Not directly synthesized, occurs in decay chain of ²⁸⁵Fl
6. Discovery of this isotope is unconfirmed
7. Not directly synthesized, occurs in decay chain of ²⁸²Nh
8. Not directly synthesized, occurs in decay chain of ²⁸⁷Fl
9. Not directly synthesized, occurs in decay chain of ²⁸⁸Mc
10. Not directly synthesized, occurs in decay chain of ²⁹⁴Ts

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铹的同位素	𬬻的同位素	𨧀的同位素