Table 5 Summary of the results of topological parameters calculated at DFT/ωB97XD/6-311 + + g(d, p)/LANL2DZ computational method.

From: A DFT study for volatile gas adsorption of surface modifications of carbon based fullerenes through mono doping and co doping

System

Bonds

CPs

P(r)

2 ρ(r)

G(r)

V(r)

K(r)

H(r)

ELF

LOL

ʎ1

ʎ2

ʎ3

λ13

ε

Ni-Cu-C60@C6H6

C60-C63

103

0.544

− 0.122

0.378

0.450

0.734

0.734

0.249

0.366

0.273

0.889

0.220

1.229

0.429

C45-Ni59

155

0.345

0.650

0.239

− 0.315

0.759

− 0.759

− 0.759

0.305

0.110

− 0.209

− 0.252

− 0.4756

0.201

C60-C57

108

0.100

0.200

0.770

− 0.104

0.266

− 0.266

0.395

0.447

− 0.119

− 0.176

0.497

− 0.239

0.484

Ni-Cu-C60@CH2O

C62-O61

176

0.219

− 0.104

0.190

− 0.411

0.219

0.219

0.540

0.540

0.243

− 0.459

− 0.321

− 0.078

0.321

C62-C2

179

0.243

− 0.510

0.791

− 0.286

0.207

− 0.207

0.922

0.770

0.355

− 0.425

− 0.440

− 0.086

0.039

C1-061

164

0.217

0.175

0.169

− 0.381

0.210

0.210

0.640

0.572

0.450

− 0.250

− 0.373

0.078

0.472

Ni-Fe-C60@C6H6

Ni59-C16

113

0.153

− 0.369

0.151

− 0.212

0.597

− 0.597

0.403

0.451

− 0.188

− 0.202

0.759

− 0.248

0.072

C57-Fe60

150

0.151

0.288

0.139

− 0.205

0.660

− 0.660

0.440

0.470

− 0.196

− 0.183

0.667

− 0.294

0.071

H71-C65

120

0.292

0.120

0.203

− 0.990

− 0.100

− 0.100

0.688

0.390

0.410

0.399

0.409

1.014

− 0.020

Ni-Fe-C60@CH2O

Fe60-C57

101

0.270

− 0.060

0.873

− 0.341

0.250

− 0.250

0.935

0.792

0.315

− 0.516

− 0463

− 0.148

0.115

Fe60-Ni59

129

0.299

− 0.786

0.108

− 0.410

0.300

0.300

0.927

0.780

− 0.500

− 0.572

0.289

− 1.739

0.134

C66-C17

175

0.146

0.268

0.129

− 0.190

0.620

0.620

0.446

0.474

− 0.189

− 0.179

0.636

− 0.298

0.058

Ni-Zn-C60@C6H6

NI59-C16

114

0.253

− 0.569

0.744

− 0.291

0.217

− 0.217

0.939

0.797

− 0.465

0.318

− 0.420

− 0.044

0.100

C61-C17

156

0.156

0.376

0.954

− 0.968

0.145

− 0.145

0.777

0.505

0.505

− 0.497

− 0.799

− 0.295

0.608

C17-C16

97

0.259

− 0.578

0.835

− 0.312

0.229

0.229

0.929

0.785

− 0.440

0.337

− 0.475

0.030

0.078

Ni-Zn-C60@CH2O

C17-C43

91

0.274

− 0.668

0.860

− 0.339

0.254

− 0.254

0.936

0.932

− 0.516

− 0.467

0.310

− 1.642

0.106

C6-C43

158

0.230

− 0.454

0.650

− 0.244

0.179

0.179

0.936

0.790

− 0.410

0.343

− 0.384

− 0.029

0.078

C16-C17

111

0.146

0.366

0.145

− 0.198

0.530

− 0.530

0.390

0.445

− 0.179

− 0.195

0.740

− 0.242

0.088