Acta Crystallographica Section B

Structural Science

Volume 62, Part 1 (February 2006)

research papers

Acta Cryst. (2006). B62, 102-108 [ doi:10.1107/S010876810502673X ]

Structure of N⁶-furfurylaminopurine (kinetin) dihydrogenphosphate

G. Slósarek, M. Kozak, J. Gierszewski and A. Pietraszko

Abstract: The crystal structure of kinetin dihydrogenphosphate has been determined at 115 and 293 K. Kinetin dihydrogenphosphate undergoes a polymorphic phase transition at 291.1 K. In both phases the crystal belongs to the triclinic system with the symmetry described by the space group $P\bar 1$ . In the low-temperature phase, the unit cell is doubled along the a axis. There is a dynamic equilibrium between different tautomeric forms of the adenine residue, determined by the distribution of H atoms within the network of hydrogen bonds.

Keywords: kinetin dihydrogenphosphate; tautomeric forms; adenine residue; phase transition.


	Structure factor file (CIF format) (298.2 kbytes) [ doi:10.1107/S010876810502673X/gp500115sup2.hkl ] Contains datablock 15

	Structure factor file (CIF format) (274.4 kbytes) [ doi:10.1107/S010876810502673X/gp5001115sup3.hkl ] Contains datablock 115

	Structure factor file (CIF format) (181.6 kbytes) [ doi:10.1107/S010876810502673X/gp5001293sup4.fcf ] Contains datablock 293

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