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DFT-optimized simulation of a 2-sugar unit laminaribiose dimer
(A–C) (2 sugar units) bonded by: (A) oxalic acid, (B) H-oxalate ion (−1), and (C) oxalate ion (−2). Oxalate molecules are highlighted in yellow. Oxalate carbon atoms (∗). H-bonds (dashed lines).
