. Author manuscript; available in PMC: 2006 Mar 22.

Published in final edited form as: J Am Chem Soc. 1999 Feb 24;121(7):1565–1573. doi: 10.1021/ja982653+

Table 2.

Geometry Parameters of M⁺(H₂O), C₂_v Symmetry^a

M	M–O (Å)	O–H (Å)	∠HOH (deg)
Be	1.55	0.97	109.8
Mg	2.04	0.97	106.6
Ca	2.30	0.97	106.3
Sr	2.48	0.97	105.8
Ba	2.65	0.97	105.7
H₂O		0.96	105.1

The values for the free H₂O molecule are included for comparison.