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. Author manuscript; available in PMC: 2008 Dec 8.
Published in final edited form as: J Phys Chem B. 2006 Mar 16;110(10):5099–5111. doi: 10.1021/jp055213v

Scheme I.

Scheme I

Deduced structure of the 1:2 complex, Mn2+(CO32-)(HCO3-)(OH2)3, formed in solution at high bicarbonate concentrations (> 50 mM) at pH 8.3. The arrows (DZZ and AZZ) show orientations of the principal axes of ZFS and 13C hyperfine coupling tensors. Their relative angle 90° corresponds to angle β derived from 13C HYSCORE simulations.