return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H9NO2 (Proline)

using model chemistry: PBEPBEultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-398.473513
Energy at 298.15K-398.485772
HF Energy-398.473513
Nuclear repulsion energy394.848804
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBEultrafine/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3347 3317 7.44      
2 A 3337 3307 1.02      
3 A 3095 3067 16.06      
4 A 3072 3044 6.69      
5 A 3044 3016 26.93      
6 A 3036 3008 30.84      
7 A 3023 2995 11.96      
8 A 2990 2962 13.11      
9 A 2884 2858 67.96      
10 A 1717 1701 128.16      
11 A 1521 1507 2.49      
12 A 1508 1494 13.49      
13 A 1488 1474 2.17      
14 A 1423 1410 12.87      
15 A 1331 1319 6.07      
16 A 1328 1316 8.46      
17 A 1314 1302 6.40      
18 A 1304 1292 3.83      
19 A 1293 1281 9.77      
20 A 1246 1234 1.62      
21 A 1209 1198 5.49      
22 A 1183 1172 5.20      
23 A 1164 1154 1.98      
24 A 1103 1093 7.12      
25 A 1075 1065 12.01      
26 A 1053 1044 29.67      
27 A 1042 1032 190.46      
28 A 986 977 21.65      
29 A 928 919 5.56      
30 A 901 893 1.03      
31 A 885 877 4.93      
32 A 848 840 42.16      
33 A 821 814 17.94      
34 A 745 738 7.72      
35 A 702 695 41.27      
36 A 657 651 105.63      
37 A 601 595 55.21      
38 A 560 555 35.91      
39 A 484 479 38.15      
40 A 481 477 18.47      
41 A 348 345 3.60      
42 A 261 258 2.81      
43 A 183 181 0.53      
44 A 72 71 0.56      
45 A 45 44 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 30817.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 30536.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBEultrafine/3-21G An error occurred on the server when processing the URL. Please contact the system administrator.

If you are the system administrator please click here to find out more about this error.