Discovery: add PtTe2 (1PtTe2-2)

active_challenge.csv

@@ -606,3 +606,4 @@ OSC-00791,2PtSe-1,2PtSe-1,Pt2Se2,discovery,light,,ok,0.19345,1.5476,8.0,0.4274,1
 OSC-00793,2PtTe-2,2PtTe-2,Pt2Te2,discovery,light,,ok,0.32,2.56,8.0,1.3722,1.1595,,0.1667,0.68562,gaussian_dos_scf_mesh,0.05569,,
 OSC-00794,2PtTe-5,2PtTe-5,Pt2Te2,discovery,light,,ok,0.27964,2.23712,8.0,-0.014,0.7205,,0.2778,0.28273,gaussian_dos_scf_mesh,0.05849,,
 OSC-00795,2PtTe3-1,2PtTe3-1,Pt2Te6,discovery,light,,ok,0.16686,1.33488,8.0,0.746,0.4424,,0.5556,0.28813,gaussian_dos_scf_mesh,0.0,,
+OSC-00797,1PtTe2-2,1PtTe2-2,PtTe2,discovery,light,,ok,0.15561,1.24488,8.0,0.5991,0.2646,,0.7222,0.88619,gaussian_dos_scf_mesh,0.00718,,