Weak intermolecular interactions in isomorphous 5‐(2‐chloroethoxy)‐2,3‐dihydro‐1,4‐benzodioxine and 5‐(2‐bromoethoxy)‐2,3‐dihydro‐1,4‐benzodioxine: bonding or nonbonding interactions |
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Authors: | Rafal Kruszynski |
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Abstract: | The title compounds, C10H11ClO3, (I), and C10H11BrO3, (II), are isomorphous and effectively isostructural; all of the interatomic distances and angles are normal. The structures exhibit long intermolecular C—H...O and C—H...π contacts with attractive energies ranging from 1.17 to 2.30 kJ mol−1. Weak C—H...O hydrogen bonds form C(3) and C(4) motifs, combining to form a two‐dimensional R34(12) net. No face‐to‐face stacking interactions are observed. |
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