Table 1.

Structural parameters, namely the average bond distance, length distortion $\zeta$, angular distortion Σ, the mean quadratic elongation λ and the bond angle variance σ², which characterize the octahedral distortion

	1	2	[Ru(phen)3](PF6)2
Average bond distance <Ru–N> (Å)	2.072	2.076	2.063
$\zeta ={\sum }_{i=1}^6\left|\left(R,u,-,N_i\right),-,⟨Ru-N⟩\right|$ [59]	0.0760	0.0460	0.0190
$\mathrm{\Sigma }={\sum }_{i=1}^{12}\left|90,-,{\varphi }_i\right|$ [59]	58.79	60.40	68.74
$\lambda =\frac{1}{6}{\sum }_{i=1}^6{\left[\frac{(d_n-⟨d⟩)}{⟨d⟩}\right]}^2$ [60]	4.1 × 10−5	2.0 × 10−5	3.7 × 10−6
${\sigma }^2=\frac{1}{11}{\sum }_{i=1}^{12}{({\theta }_n-90)}^2$ [60]	36.6	37.2	48.8