HEPES

Johan Wouters, Ludger Häming, George Sheldrick

Research output: Contribution to journalArticlepeer-review

Abstract

The crystal structure of HEPES [4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid, C8H18N2O4S] is presented. This widely used buffer crystallizes as a zwitterion, the N10 atom of the piperazine ring being the protonation site. The molecules form a network of hydrogen bonds involving both N atoms of the piperazine moiety. The piperazine ring adopts a chair conformation.

Original languageEnglish
Pages (from-to)1687-1688
Number of pages2
JournalActa crystallographica Section C: Crystal Structure communications
Volume52
Issue number7
Publication statusPublished - 15 Jul 1996

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