S. No Atom Cyt Cyt+ Cyt- TCyt TCyt+ TCyt- 1 N1 -0.651 -0.094 -1.005 -0.659 -0.602 -0.512 2 C2 1.337 0.064 0.713 1.126 1.046 0.935 3 N3 -0.903 -0.156 -1.248 -1.001 -0.913 -1.003 4 C4 1.129 0.357 1.277 1.251 1.181 0.800 5 C5 -0.463 -0.082 -0.700 -0.477 -0.389 -0.082 6 C6 0.457 0.278 1.911 0.455 0.428 -0.067 7 H7 0.228 0.327 -0.306 0.224 0.265  0.189 8 O8/S8 -0.923 0.055 -1.092 -0.682 -0.041 -0.881 9 N9 -0.787 -0.599 1.261 -0.838 -0.783 -0.583 10 H10 0.057 0.130 -0.372 0.061 0.105 -0.003 11 H11 0.057 0.144 -0.430 0.061 0.121 -0.019 12 H12 0.233 0.296 -0.282 0.238 0.289 0.159 13 H13 0.230 0.281 -0.727 0.241 0.293 0.068 *in electron unit

Table 2: APT Charges* at various atomic sites of Cyt, TCyt and their cations and anions.