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Based on the ab initio calculations, we show that MoTe2, in itslow-temperature orthorhombic structure characterized by an X-ray diffractionstudy at 100 K, realizes 4 type-II Weyl points between the N-th and N+1-thbands, where N is the total number of valence electrons per unit cell. OtherWPs and nodal lines between different other bands also appear close to theFermi level due to a complex topological band structure. We predict a series ofstrain-driven topological phase transitions in this compound, opening a widerange of possible experimental realizations of different topological semimetalphases. Crucially, with no strain, the number of observable surface Fermi arcsin this material is 2 - the smallest number of arcs consistent withtime-reversal symmetry.

MoTe2: A Type-II Weyl Topological Metal