S–N–S Angle vs. Bond Length avg for Structures containing Au

S–N–S Angle vs. Bond Length avg for Structures containing Ag

S–N–S Angle vs. Bond Length avg for Structures containing Cu

S–N–S Angle vs. Bond Length avg for Structures containing Pt

S–N–S Angle vs. Bond Length avg for Structures containing Pd

S–N–S Angle vs. Bond Length avg for Structures containing Ru

S–N–S Angle vs. Bond Length avg for Structures containing Hg

S–N–S Angle vs. Bond Length avg for Structures containing Fe

Metal Presence in TFSI Structures

TFSI structures metal-free vs metal containing

Sensitivity Analysis