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Ferrimagnetic coupling in a mesogen is reported for the first time for the compound MnIII[((OC12H25)4 TPP)](TCNE) · 2 touluene (where TPP = tetraphenyl porphyrin, TCNE – tetracyanoethylene), which displays liquid crystal properties above 381 K and ferrimagnetic properties below 21.4 K. The results from differential scanning calorimetry, X-ray diffraction, and AC susceptibility studies are discussed. Evidence is presented for the presence of net magnetic moments at zero applied field.