Table 2 The frequencies of symmetric and asymmetric U-U stretching modes in U2@C60 and U2@C61 systems. All of these results were calculated at BP86/ANO_ECP60MWB~3-21G level

From: Defect Induced Electronic Structure of Uranofullerene

System

Symmetric U-U stretching

Asymmetric U-U stretching

U2@C60

162.9

157.2

U2@C61 (c, 9A′)

127.4

142.0