Discovery: add H2Pd2 (2HPd-1)

active_challenge.csv

@@ -1011,3 +1011,4 @@ OSC-02041,1GaI2-3,1GaI2-3,GaI2,discovery,light,,ok,0.15443,1.23544,8.0,-1.5144,0
 OSC-02042,1GaI2Ni5-1,1GaI2Ni5-1,GaI2Ni5,discovery,light,,ok,0.07348,0.58784,8.0,2.9305,1.1245,,0.1111,0.78293,gaussian_dos_scf_mesh,0.04726,,
 OSC-02049,1IrH2-1,1IrH2-1,H2Ir,discovery,light,,ok,0.45887,3.67096,8.0,-0.8026,0.9631,,0.0556,0.3732,gaussian_dos_scf_mesh,0.04523,,
 OSC-02053,2HNi-1,2HNi-1,H2Ni2,discovery,light,,ok,0.41145,3.2916,8.0,0.0409,1.1557,,0.1667,0.92291,gaussian_dos_scf_mesh,0.05569,,
+OSC-02055,2HPd-1,2HPd-1,H2Pd2,discovery,light,,ok,0.48889,3.91112,8.0,0.4311,1.0596,,0.0556,0.36061,gaussian_dos_scf_mesh,0.04523,,