Following recent work on creatinine complexes of copper(II), creatinine com
plexes of nickel(II) with various anions have been prepared for the first t
ime and characterised by elemental analysis, solid state infrared spectrosc
opy and thermal analysis methods. Analysis of the gases evolved during ther
mal analysis with a coupled FTIR spectrometer provided support for the prop
osed decomposition sequence. In the case of the complex chloride, [Ni(creat
)(2)(H2O)(2)]Cl-2 the loss of coordinated water has been shown to be revers
ible. (C) 2000 Elsevier Science B.V. All rights reserved.