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All results from a given calculation for C4H9N (Pyrrolidine)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-37.501088
Energy at 298.15K-37.512630
HF Energy-36.854746
Nuclear repulsion energy105.990721
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 MP2/CEP-31G*
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' 3530 3351 0.21      
2 A' 3200 3038 73.21      
3 A' 3144 2984 17.60      
4 A' 3121 2963 51.38      
5 A' 3021 2868 134.46      
6 A' 1557 1478 1.02      
7 A' 1533 1455 6.15      
8 A' 1414 1342 1.26      
9 A' 1345 1276 1.80      
10 A' 1264 1200 0.36      
11 A' 1251 1187 8.23      
12 A' 1095 1039 0.70      
13 A' 1022 971 8.56      
14 A' 961 913 0.73      
15 A' 932 884 36.31      
16 A' 917 871 42.84      
17 A' 784 744 12.50      
18 A' 582 552 39.03      
19 A' 310 294 5.25      
20 A" 3180 3020 2.57      
21 A" 3136 2977 49.28      
22 A" 3110 2953 31.12      
23 A" 3021 2868 53.92      
24 A" 1540 1462 0.46      
25 A" 1510 1434 1.10      
26 A" 1446 1373 5.54      
27 A" 1352 1284 13.78      
28 A" 1297 1231 10.36      
29 A" 1265 1201 6.44      
30 A" 1203 1142 1.16      
31 A" 1138 1080 8.40      
32 A" 1097 1042 0.53      
33 A" 954 906 0.96      
34 A" 879 835 2.53      
35 A" 626 594 0.66      
36 A" 82 78 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 28908.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 27445.4 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 MP2/CEP-31G*
ABC
0.22598 0.22282 0.12881

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.582 -1.091 0.000
H2 0.450 -2.110 0.000
C3 -0.102 -0.475 1.161
C4 -0.102 -0.475 -1.161
C5 -0.102 1.032 0.783
C6 -0.102 1.032 -0.783
H7 -1.149 -0.836 1.279
H8 -1.149 -0.836 -1.279
H9 0.451 -0.682 2.094
H10 0.451 -0.682 -2.094
H11 0.810 1.517 1.169
H12 0.810 1.517 -1.169
H13 -0.977 1.555 1.206
H14 -0.977 1.555 -1.206

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
N11.02701.48181.48182.36372.36372.16662.16662.13782.13782.86672.86673.29923.2992
H21.02702.08012.08013.28433.28432.41122.41122.53452.53453.82693.82694.11334.1133
C31.48182.08012.32261.55312.45971.11352.67961.10433.30872.19013.19782.21053.2385
C41.48182.08012.32262.45971.55312.67961.11353.30871.10433.19782.19013.23852.2105
C52.36373.28431.55312.45971.56632.19752.97242.22773.39461.10262.20841.10392.2351
C62.36373.28432.45971.55311.56632.97242.19753.39462.22772.20841.10262.23511.1039
H72.16662.41121.11352.67962.19752.97242.55771.80223.73643.06303.91932.39773.4521
H82.16662.41122.67961.11352.97242.19752.55773.73641.80223.91933.06303.45212.3977
H92.13782.53451.10433.30872.22773.39461.80223.73644.18852.41243.95112.79894.2350
H102.13782.53453.30871.10433.39462.22773.73641.80224.18853.95112.41244.23502.7989
H112.86673.82692.19013.19781.10262.20843.06303.91932.41243.95112.33771.78832.9725
H122.86673.82693.19782.19012.20841.10263.91933.06303.95112.41242.33772.97251.7883
H133.29924.11332.21053.23851.10392.23512.39773.45212.79894.23501.78832.97252.4117
H143.29924.11333.23852.21052.23511.10393.45212.39774.23502.79892.97251.78832.4117

picture of Pyrrolidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 102.283 N1 C3 H7 112.416
N1 C3 H9 110.665 N1 C4 C6 102.283
N1 C4 H8 112.416 N1 C4 H10 110.665
H2 N1 C3 110.705 H2 N1 C4 110.705
C3 N1 C4 103.201 C3 C5 C6 104.092
C3 C5 H11 109.951 C3 C5 H13 111.485
C4 C6 C5 104.092 C4 C6 H12 109.951
C4 C6 H14 111.485 C5 C3 H7 109.894
C5 C3 H9 112.835 C5 C6 H12 110.477
C5 C6 H14 112.515 C6 C4 H8 109.894
C6 C4 H10 112.835 C6 C5 H11 110.477
C6 C5 H13 112.515 H7 C3 H9 108.701
H8 C4 H10 108.701 H11 C5 H13 108.290
H12 C6 H14 108.290
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability