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. 2025 Apr 29;9(5):1267–1276. doi: 10.1021/acsearthspacechem.5c00067

Table 3. Spectroscopic Parameters Determined for the aGg′ Species of Doubly Deuterated Ethylene Glycola.

constant unit this work (exp) ref (39) (theo) ref (22) (exp) constant unit this work (exp) ref (22) (exp)
A MHz 14380.069(5) 14403.1 14380.07(9) E* MHz 293.206(4) 293.20(5)
B MHz 5288.8171(9) 5267.8 5288.81(8) E*J kHz –1.395(8)  
C MHz 4325.1514(7) 4319.3 4325.17(2) E*K kHz –60.28(4) –69.(4)
DJ kHz 6.9017(5) 6.837 7.2(2) E*JK kHz –0.01355(10)  
DJK kHz –30.596(7) –25.918 –29.6(8) E*JJ Hz –0.082(7)  
DK kHz 71.6(1) 58.613 69.(3) E*JJK Hz –0.00261(6)  
d1 kHz –2.2437(5) –2.143 –2.2(2) E*2 Hz 80.(2)  
d2 kHz –0.2086(9) –0.155   E*2K Hz –5.7(1)  
HJ mHz –16.12(7) –31.2   E*2JK mHz –0.00301(10)  
HJK mHz 734.(2) 251.4   Fbc MHz –37.955(8) –38.1(1)
HKJ Hz –3.082(5) –1.005   Fbc,J MHz 0.00294(1)  
HK Hz 21.1(6) 1.389   Fbc,K MHz –0.1213(1)  
h1 mHz –7.17(8) –14.6   F2bc MHz –0.001465(3)  
h2 mHz –2.10(6) –2.0   Fab MHz –358.440(9) –358.(1)
h3 mHz –1.40(3) –0.1   Fab,J MHz 0.00353(1)  
          Fab,K MHz –0.01773(5)  
          F2ab MHz –0.00482(3)  
a

Notes: Values in parentheses denote one standard deviation and apply to the last digits of the constants.