Complexes of nickel(II) carboxylates with pyridine and cyclam: crystal structures, mesomorphisms, and thermoelectrical properties by Abdullah, N., Said, S.M., Halid, Y.Y., Megat Hasnan, M.M.I., Sharmin, N., Mat Hussin, S.A., Nik Ibrahim, N.M.J., Nordin, A.R., Safiin, N.A., Anuar, N.S.