Discovery: add S6Sc2 (2ScS3-1)

active_challenge.csv

@@ -625,3 +625,4 @@ OSC-00815,1RuSe2-3,1RuSe2-3,RuSe2,discovery,light,,ok,0.21262,1.70096,8.0,-1.472
 OSC-00818,1TaS2-3,1TaS2-3,S2Ta,discovery,light,,ok,0.14825,1.186,8.0,-1.0688,0.8305,,0.1667,1.01207,gaussian_dos_scf_mesh,0.05569,,
 OSC-00823,2SV-1,2SV-1,S2V2,discovery,light,,ok,0.19044,1.52352,8.0,0.3607,1.6714,,0.6667,0.66628,gaussian_dos_scf_mesh,0.00483,,
 OSC-00825,2WS2-1,2WS2-1,S4W2,discovery,light,,ok,0.15639,1.25112,8.0,-0.3872,1.9479,,0.9444,0.13518,gaussian_dos_scf_mesh,0.00283,,
+OSC-00826,2ScS3-1,2ScS3-1,S6Sc2,discovery,light,,ok,0.15626,1.25008,8.0,-0.7088,1.1347,,0.1111,0.67775,gaussian_dos_scf_mesh,0.04726,,