No abstract

A New Crystal Phase of Barium Nitroprusside Trihydrate Studied by Neutron Diffraction at 20 K. -Ba[Fe(CN) 5 (NO)]·3H 2 O undergoes a phase transition at 80 K, at which temperature the unit cell volume doubles. This phase is still present at 20 K and its structure is studied by neutron diffraction. The crystal structure (triclinic, space group P1, Z = 8). is completely ordered. Positional changes of the water molecules with respect to those of the compound at 105 K are presented. -(CHEVRIER, G.; KIAT, J. M.; GUEIDA, J. A.; NAVAZA*, A.; Acta Crystallogr., Sect. C: Cryst. Struct. Commun. 60 (2004) 3, i27-i29; Lab. Chim. Struct. Spectrosc. Biomol., CNRS, Univ. Paris-Nord, F-93017 Bobigny, Fr.; Eng.) -Schramke 22-008

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