Figure 1 – Lewis structures of the two LiCF3 isomers with dative bonds signalled (IMAGE)

Faculty of Sciences of the University of Lisbon

Figure 1 – Lewis structures of the two LiCF3 isomers with dative bonds signalled

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The discovery, in 2022, that the LiCF3 molecule [(trifluoromethyl)lithium] did not have the expected tetrahedral arrangement took researchers by surprise. A computational analysis revealed that this geometry is not the most energetically stable, but rather one in which the position of the lithium cation is inverted.

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Nuno A. G. Bandeira, Ángel Martín Pendás & Cina Foroutan-Nejad

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