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. 2023 Jan 28;62(6):2576–2591. doi: 10.1021/acs.inorgchem.2c03108

Table 3. Diffusion Coefficients, Hydrodynamic Radii Determined by 1H-DOSY NMR and X-ray Diffraction, Errors between the Measured Radii, Molecular Weights Determined by 1H DOSY NMR (MWDet), Calculated Molecular Weights (MWCal), and Errors in MW between the Calculated and Observed Values for 69.

compound solvent D (×10–10 m2 s–1) RHa RHb error (%)c Dnorm (×10–10 m2 s–1) MWDet (g mol–1)d MWCal (g mol–1) error (%)a
6 d8-THF 5.97 7.61 6.21 22 5.26 942 915/1131 3/–17
7 C6D6 5.08 6.70 5.79 14 5.04 1241b 1114 11
8 C6D6 5.03 6.77 5.97 13 5.02 1014 1130 –10
9 C6D6 5.05 6.74 5.90 14 4.99 1024 1096 –6.6
a

As determined by DOSY.

b

As determined by single-crystal X-ray diffraction studies.

c

Error = (100 × (RH, DOSYRH, X-ray)/RH, X-ray) and (100 × (MWdet – MWcal)/MWcal).

d

MWdet corrected for molecular weight as recommended by Kreyenschmidt et al.,47 with Xcorr = 1.23.