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Open AccessArticle

Self-Assembly Motifs of Water in Crystals of Palladium β-Amino Acid Complexes Influenced by Methyl Substitution on the Amino Acid Backbone

Department of Chemistry, Virginia Tech, Blacksburg, VA 24061, USA
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Author to whom correspondence should be addressed.
Current address: Air Liquide Advanced Materials, Branchburg, NJ 08876, USA
Crystals 2019, 9(11), 590; https://doi.org/10.3390/cryst9110590
Received: 17 October 2019 / Revised: 30 October 2019 / Accepted: 6 November 2019 / Published: 9 November 2019
(This article belongs to the Special Issue Novel Hydrogen-bonded Materials with Significant Physical Properties)
Amino acid complexes of transition metals show interesting hydrogen-bonding motifs. In this paper, the syntheses and structures of three β-amino acid complexes of palladium that differ only by the substitution on the β-carbon will be discussed. With only hydrogen on the β-carbon, no additional water is incorporated into the crystal lattice and hydrogen-bonding is all complex-to-complex. With the addition of one and two methyl groups on the amino acid β-carbon, water is incorporated into the crystal lattice giving intricate water networks held together by complex-to-water and water-to-water hydrogen-bonding networks.
Keywords: palladium; amino acid; metal complex; hydrogen bonding; crystal lattice palladium; amino acid; metal complex; hydrogen bonding; crystal lattice
MDPI and ACS Style

Hobart, D.B.; Patel, V.G.; Pendergrass, H.; Florio, J.; Merola, J.S. Self-Assembly Motifs of Water in Crystals of Palladium β-Amino Acid Complexes Influenced by Methyl Substitution on the Amino Acid Backbone. Crystals 2019, 9, 590.

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