Synthesis and molecular structure of a lithium complex of the phthalocyanine radical
- 1 January 1986
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 12,p. 962-963
- https://doi.org/10.1039/c39860000962
Abstract
Controlled potential electrolysis of the dilithium salt of phthalocyanine, Li2(pc2–), at 0.15 V vs. saturated calomel electrode in acetonitrile gave a lithium complex of the phthalocyanine radical, the crystal structure of which shows that it contains a unit cell with four nearly planar Li(pc˙–) molecules of S4 symmetry, stacked metal-over-metal with an Li–Li spacing of 3.245(2)Å, and staggered by 38.7(3)°; its effective magnetic moment decreased from the room temperature value of 1.3 µB to 1.0 µB at 150 K, but upon further cooling it increased to approach the free-spin value.Keywords
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