| Summary: | Owing to their distinguished properties, titanium difluoride (TiF<sub>2</sub>) and the crystallographic structure of Cu<sub>2</sub>O have attracted a great deal of attention in the field of quantitative structure−property relationships (QSPRs) in recent years. A topological index of a diagram (G) is a numerical quantity identified with G which portrays the sub-atomic chart G. In 1972, Gutman and Trinajstić resented the first and second Zagreb topological files of atomic diagrams. In this paper, we determine a hyper-Zagreb list, a first multiple Zagreb file, a second different Zagreb record, and Zagreb polynomials for titanium difluoride (TiF<sub>2</sub>) and the crystallographic structure of Cu<sub>2</sub>O.
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