{Reference Type}: Letter {Title}: Comment on "The 'Inverted Bonds' Revisited. Analysis of 'in Silico' Models and of [1.1.1]Propellane Using Orbital Forces". {Author}: Braïda B;Shaik S;Wu W;Hiberty PC; {Journal}: Chemistry {Volume}: 26 {Issue}: 30 {Year}: May 2020 26 {Factor}: 5.02 {DOI}: 10.1002/chem.201905666 {Abstract}: Inverted bonds: In this Correspondence, the authors comment on the recent paper on inverted bonds in [1.1.1]propellane by Chaquin et al.