Table 1 Data distribution description table of CNT nanotubes.

From: Geometric analysis of shape transition for two-layer carbon–silicon nanotubes

Tracking point

mean

std

min

25%

50%

75%

max

d1

2.152896

0.029656

2.114550

2.141438

2.149275

2.158390

2.503420

d2

2.034929

0.053972

1.100310

2.029110

2.039390

2.048480

2.075880

z1

3.302185

1.768200

0.161730

1.796493

3.290993

4.805614

7.012425

d3

2.474295

0.020223

2.240490

2.461498

2.473950

2.487073

2.569730

d4

1.083733

0.026761

0.968080

1.065890

1.083605

1.102050

1.217230

z2

3.195269

1.715516

0.157730

1.713334

3.189825

4.643060

6.987940

d5

2.151945

0.024761

2.113020

2.141380

2.149290

2.158240

2.494460

d6

2.033599

0.062201

1.108220

2.028780

2.039320

2.048250

2.076140

z3

9.520221

1.791063

3.155480

7.991434

9.497415

11.05845

12.53710

d7

2.474662

0.019030

2.405270

2.461480

2.474120

2.487203

2.563300

d8

1.083818

0.026938

0.970040

1.065720

1.083655

1.102163

1.187310

z4

9.410896

1.746298

1.171125

7.935365

9.372108

10.89149

12.54240