Table 4.

Reorientational correlation times τ and NMR 1/T₁ of α,α–trehalose and β-maltose solutions.

		Sim		Expa
compound	carbon	τ (ps)	1/T1 (s−1)	1/T1 (s−1)	Err (%)
	1	32.1	2.10	2.07	1.4
	2	33.3	2.18	2.09	4.4
trehalose	3	33.2	2.17	2.04	6.3
	4	33.1	2.16	2.02	7.0
	5	33.4	2.18	2.00	8.8
	6	29.3	3.83	3.40	12.5
	1	28.6	1.87	1.92	−2.7
	2	31.0	2.03	1.96	3.3
maltose	3	30.7	2.01	1.92	4.4
	4	30.9	2.02	1.92	5.0
	5	30.9	2.02	1.96	3.0
	6	25.0	3.27	3.13	4.6
	1’	26.5	1.73	1.52	14.2
	2’	27.0	1.77	1.59	11.3
	3’	27.2	1.78	1.61	10.4
	4’	27.8	1.81	1.72	5.2
	5’	26.9	1.76	1.61	9.2
	6’	28.1	3.67	3.45	6.4

^a)25 °C, 4 wt% in D₂O; ref 22

^b)From τ scaled by data in Table 1 (1.23 × η_exp/η_sim) for D₂O. Statistical errors in the simulated relaxation times are approximately 2%.