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Kuznetsov AE, Birch KA, Boldyrev AI, et al. All-metal antiaromatic molecule: rectangular Al4(4-) in the Li3Al4(-) anion. Science. 2003;300(5619):622-5doi: 10.1126/science.1082477.
Kuznetsov, A. E., Birch, K. A., Boldyrev, A. I., Li, X., Zhai, H. J., & Wang, L. S. (2003). All-metal antiaromatic molecule: rectangular Al4(4-) in the Li3Al4(-) anion. Science (New York, N.Y.), 300(5619), 622-5. https://doi.org/10.1126/science.1082477
Kuznetsov, Aleksey E, et al. "All-metal antiaromatic molecule: rectangular Al4(4-) in the Li3Al4(-) anion." Science (New York, N.Y.) vol. 300,5619 (2003): 622-5. doi: https://doi.org/10.1126/science.1082477
Kuznetsov AE, Birch KA, Boldyrev AI, Li X, Zhai HJ, Wang LS. All-metal antiaromatic molecule: rectangular Al4(4-) in the Li3Al4(-) anion. Science. 2003 Apr 25;300(5619):622-5. doi: 10.1126/science.1082477. PMID: 12714740.
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Science. 2003 Apr 25;300(5619):622-5. doi: 10.1126/science.1082477.

All-metal antiaromatic molecule: rectangular Al4(4-) in the Li3Al4(-) anion.

Science (New York, N.Y.)

Aleksey E Kuznetsov, K Alexander Birch, Alexander I Boldyrev, Xi Li, Hua-Jin Zhai, Lai-Sheng Wang

Affiliations

  1. Department of Chemistry and Biochemistry, Utah State University, Logan, UT 84322, USA.

PMID: 12714740 DOI: 10.1126/science.1082477

Abstract

We report the experimental and theoretical characterization of antiaromaticity in an all-metal system, Li3Al4(-), which we produced by laser vaporization and studied with the use of photoelectron spectroscopy and ab initio calculations. The most stable structure of Li3Al4(-) found theoretically contained a rectangular Al4(4-) tetraanion stabilized by the three Li+ ions in a capped octahedral arrangement. Molecular orbital analyses reveal that the rectangular Al4(4-) tetraanion has four pi electrons, consistent with the 4n Hückel rule for antiaromaticity.

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