The strengths of the first thirteen rotational lines of HCl have been measured by asymmetric Fourier transform techniques. From these strengths, the dipole moment is determined to be 1.134 ± 0.015 D. This value is substantially greater than the value determined from rf polarization measurements. A number of possible sources of systematic error in the interferometer are considered in an attempt to resolve this discrepancy.
© 1967 Optical Society of America
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