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Table 1.

Calculated molecular parameters.

Parameter Value Parameter Value
χ2 249.7 χ3 244.4
θ2 2.7 θ3 4.2
ϕ2 69.7 ϕ3 66.5

AIn 1.618 AOut 1.742
BIn 0.329 BOut 0.314
CIn 0.288 COut 0.286

1.164 1.054
0.107
2.491 2.538

Notes. Eulerian-type angles, in degrees, involved in the rotational dependence of the tunneling matrix elements, the rotational constants, in cm−1, and the dipole moments components, in Debye, are listed for the In and Out conformations. For symmetry reason, the relation χ2 = ϕ2 + π is fulfilled and is zero. Superscripted In and Out labels identify the rotational constants and dipole moment components.

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