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Ziurys Group Rotational Spectroscopy Research

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Spectroscopic Parameters

FeC: Iron monocarbide

Electronic State: X3Di

Reference: M. D. Allen, T. C. Pesch, and L. M. Ziurys, Astrophys. J. (Letters) 472, L57 (1996). Reference: P.M. Sheridan, L.M. Ziurys, and T. Hirano, Astrophys. J. (Letters) 593, L141 (2003).


Parameter 56FeC 54FeC
B 20 152.761 9(14)
BW=3 20 075.397 6(66) 20 205.588(11)
BW=2 20 171.962 5(67)
D 0.049 633 4(56)
DW=3 0.048 394(31) 0.049 049(42)
DW=2 0.050 025(31)
A -4 969 000 (39 000)
AD 9.35(30)
l 1 285 000 (43 000)
lD 18.2 (1.0)
rms of fit 0.015 a) 0.043

a) Applies to global fit.