Source | This study | ||||||||||
Theoretical prediction | |||||||||||
Type | at HF/6-31G*/1.0613 (SF) | ||||||||||
T (˚C) | ∆47-fit-Ga | ∆63-c | y-G-T-c | ∆63-a | y-G-T-a | ∆47-fit-D | ∆63-c | y-D-T-c | ∆63-a | y-D-T-a | |
0 | 0.773 | 0.763 | 0.010 | 0.766 | 0.007 | - | 0.763 | - | 0.766 | - | |
10 | 0.718 | 0.717 | 0.001 | 0.720 | –0.002 | 0.667 | 0.717 | –0.050 | 0.720 | –0.053 | |
20 | 0.669 | 0.673 | –0.004 | 0.677 | –0.008 | 0.639 | 0.673 | –0.034 | 0.677 | –0.038 | |
25 | 0.646 | 0.653 | –0.007 | 0.657 | –0.011 | 0.626 | 0.653 | –0.027 | 0.657 | –0.031 | |
30 | 0.624 | 0.633 | –0.009 | 0.638 | –0.014 | 0.614 | 0.633 | –0.019 | 0.638 | –0.024 | |
40 | 0.584 | 0.596 | –0.012 | 0.601 | –0.017 | 0.591 | 0.596 | –0.005 | 0.601 | –0.010 | |
50 | 0.547 | 0.561 | –0.014 | 0.566 | –0.019 | 0.570 | 0.561 | 0.009 | 0.566 | 0.004 | |
100 | - | 0.419 | - | 0.424 | - | - | 0.419 | - | 0.424 | - |