Ethane‐1,1,2‐trisphosphonic acid hemihydrate |
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Authors: | Lise Delain‐Bioton,Jean‐Franç ois Lohier,Didier Villemin,Jana Sopková ‐de Oliveira Santos,Gary Hix,Paul‐Alain Jaffrè s |
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Abstract: | Ethane‐1,1,2‐trisphosphonic acid crystallizes as a hemihydrate, C2H9O9P3·0.5H2O, in which the water O atom lies on an inversion centre in the space group P21/c. The acid component, which contains a short but noncentred O—H...O hydrogen bond, adopts a gauche conformation. The acid components are linked by an extensive series of O—H...O hydrogen bonds to form layers, which are linked into pairs by the water molecules. |
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