Abstract
Single-crystal neutron-diffraction techniques are used to determine the crystal structure of 2,6-dimethylpyrazine (DMP), C6H8N2, at 5 K. The space group is P21/a with Z = 4, as at room temperature. The methyl groups are ordered. There are two crystallographically inequivalent methyl groups in the unit cell. Different rotational dynamics may account for the two rotational tunnelling transitions observed with inelastic neutron-scattering techniques.
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Schedule a callMore From: Acta Crystallographica Section E Structure Reports Online
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