Table 1.

Water-exchange parameters obtained from ¹⁷O-NMR spectroscopy and coordination numbers of complexes 1−11.

Complex number	kex (×106 s−1)	∆V‡ (cm3 mol−1)	q	Coordination number	Mechanism	Reference
1	4.1	10.5	1	9	dissociative	[31]
2	3.3	12.5	1	9	dissociative	[31]
2	7.0 (37 °C)	nr	1	9	dissociative	[38]
3	380	nr	2	8	associative a	[30]
4	130	nr	2	8	associative a	[30]
5	53	ߝ5	2	8	associative interchange	[29]
6	102	–1.5	2	8	associative interchange	[33]
7	27	nr	1	8	associative a	[34]
8	170	nr	1	8	associative a	[32]
9	700	8.3	0.6	8 and 9	dissociative interchange	[36]
10	804	–3.3	8	8	associative	[31]
11	220	nr	1.4	9 and 10	associative a	[37]

nr = not reported, ^aassociative, but no ∆V^‡ data given.