C5H   -   Radical

Molecular constants for the X 2Π C5H radical
Parameter Value Ref.
Aeff [MHz] 710 039.(33) 86004
B [MHz] 2395.131(1)
D [MHz] 0.129(1) x 10-3
p + 2q [MHz] 3.72(7)
q [MHz] -0.304(2)
Beff (X 2Π1/2) [MHz] 2387.003(2)
Beff (X 2Π3/2) [MHz] 2403.241(6)
Deff (X 2Π1/2) [MHz] 0.041(1) x 10-3
Deff (X 2Π3/2) [MHz] 0.211(2) x 10-3
Hyperfine parameters
a′ = a - [(b+c)/2] [MHz] 20.04(15) 87012
d [MHz] 10.9(6)

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