Interpretation of the magnetic properties of manganese (II) phthalocyanine
- 1 February 1974
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 60 (3), 962-968
- https://doi.org/10.1063/1.1681174
Abstract
Detailed crystal field calculations are presented to determine the ground and excited states of manganese(II) phthalocyanine which belongs to the rare spin S = 3/2 state. It is deduced that the ground state of Mn(II) ion is predominantly 4A2(± 1/2) while 4A2(± 3/2) state lies above 40 cm−1 above it. It is shown that 6A1(± 1/2) lies fairly close to the ground state (600 cm−1) and appreciably mixes with it. Two magnetic exchange models are investigated, and their effects are superimposed over the crystal field to quantitatively explain the low temperature experimental data.Keywords
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