C2H4   -   Ethylene

Molecular constants for deuterated ethylene
Parameter CH2CD2
[MHz]		 CH2CHD
[MHz]		 cis-CHDCHD
[MHz]		 Ref.
A 97 496.7(18) a 120 093.521(70) a 99 667.262(89) 81042
B 25 675.260(44) 27 470.737(26) 25 417.208(41)
C 20 268.791(40) 22 297.745(14) 20 199.073(24)
ΔK (1.224) b 2.1164(34) 1.4589(63)
ΔJK 0.1919(28) 0.1804(45) 0.117(11)
ΔJ 0.032 73(5) 0.039 03(53) 0.0359(12)
δJ 0.007 88(13) 0.008 405(63) 0.008 648(98)
δK 0.206(22) 0.2438(43) 0.1966(66)
µ [C · m]
     µ [D]		 0.0304(13) x 10-30 
     0.0091(4)		        
 
a Uncertainties in parentheses are 2.5 standard deviations.
 
b Value from J.L. Duncan, D.C. McKear, and P.S. Mallinson, J. Mol. Spectrosc. 45, 221 (1973).

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