IBr

Iodine Monobromide

Parameter 127I79Br 127I81Br Ref.
Y01  [MHz] 1703.798 26(30) 1677.859 57(30) 80060
Y11 [MHz] -5.904 13(41) -5.769 82(40)
Y21 [kHz] -13.66(15) -13.25(15)
Y31 [kHz] -0.14(2) -0.13(2)
Y02 [kHz] -0.304 91(2) -0.295 70(2)
Y12 [Hz] -1.50(2) -1.44(2)
Y03 (10-5 Hz) -3.9868(11) -3.8075(11)
eQq0(I) [MHz] a -2731(60) -2731(60)
eQq0(Br) [MHz] a 722(15) 603(15)
Be [MHz] 1703.8172(6) 1677.8780(6)
ωe [cm-1] 268.69(9) 266.64(9)
ωeχe [cm-1] 0.826(6)  0.814(6)
µ0 [C · m]
     µ0 [D]		 2.458(33) b x 10-30 
     0.737(10) b		  
µr [u] 48.658 7948 49.411 0354  
re [10-10 m] c 2.468 9735(6) 2.468 9735(6)  

a From [60007].

b From [77011].

c Recalculated as re = [505 379.006(51) / µrBe]1/2 with units as given in table.

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