Assignment of IR absorption frequencies, type of C60Hx cage and C-H group vibrations [26] | Wavenumber (cm−1) | ||||||||
Sample | С60Н36, C60 hydrogenated by followed reagent [1] [8] [10] [11] | Calculated for C60H60 [26] | |||||||
X1 | B2 | P2 | Li + NH3 + t-BuOH | C2H5J | Zn + HCl | Li + ethylene diamine + t-BuOH | DGA | ||
9F1u sp3 C-H st 8F1u sp3 C-H st sp3 C-H st | 2920 2843
| 2922 2853
| 2922 2853
| 2925 2855
| 2912 2847 2827 | 2913 2849
| 2913 2847 2824 | 2913 2850
| 2912 2907
|
С=С st 7F1u C60Hx cage ar C-C st |
1596
|
1600
| 1727 1594
|
1620
| 1655 1640 1490 | 1725 1635
|
1605 1492 |
1606
|
1612
|
6F1u C60Hx cage | 1449 | 1453 | 1461 | 1450 | 1460 | 1456 | 1453 | 1511 | 1450 |
5F1u C-H δ | 1366 | 1362 | 1377 | 1400 | 1448 | 1384 |
|
| 1299 |
ar C-H ip 4F1u C60Hx cage |
1154 |
1145 |
1166 |
|
1174 | 1273 1123 |
1260 | 1257 1198 |
1163 |
ar C-C st |
| -
| 1027
|
| 1025
| 1073 1035 | 1097 1024 |
|
|
3F1u C60Hx cage ar C-H oop 2F1u C60Hx cage 1F1u C60Hx cage | 879 822 752 456 | 830 747 698 537 | 887 838 754 453 | 675
| 691 667 526 470 | 730
678
| 803
697
|
| 885
487 435 |