The experimental lines were taken from
(1) E. Yamazaki, T. Okabayashi, and M. Tanimoto, 2004, J. Am. Chem. Soc. 126, 1028.
The dipole moment is from an ab initio calculation by
(2) G. L. Gutsev, L. Andrews, and C. Bauschlicher Jr., 2003, Chem. Phys. 290, 47.
The ab initio dipole moments of transition metal compounds should be viewed with some caution.