handle index error in TS config processing

Author: mjohnson541

pynta/postprocessing.py

@@ -1330,7 +1330,7 @@ def get_TS(path,adsorbates_path,metal,facet,slab,sites,site_adjacency,nslab,c_re
             spc.run()
 
             ts_dict[k] = spc
-        except (SiteOccupationException,TooManyElectronsException,ValueError,AtomTypeError):
+        except (SiteOccupationException,TooManyElectronsException,ValueError,AtomTypeError,IndexError):
             spc = SurfaceConfiguration(atoms,slab,None,vibdata,os.path.split(path)[1],metal,facet,is_TS=True,sites_per_cell=1,
                       c_ref=c_ref,o_ref=o_ref,h_ref=h_ref,n_ref=n_ref,valid=valid,valid_info=vinfo,mol=target_TS)