No, vinyl tetrachloride (also known as tetrachloroethylene or perchloroethylene) does not exist. The term "vinyl tetrachloride" is not a recognized or commonly used chemical name. It may be a confusion or a misnomer for tetrachloroethylene, which is a well-known chemical compound with the molecular formula C2Cl4. Tetrachloroethylene is a colorless liquid commonly used as a solvent in various industrial applications, such as dry cleaning and metal degreasing. It is important to note that chemical names should be accurately represented to avoid any confusion or misunderstanding.