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All results from a given calculation for C4H9N (Pyrrolidine)

using model chemistry: MP2/CEP-121G

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-121G
 hartrees
Energy at 0K-37.232304
Energy at 298.15K-37.243684
HF Energy-36.768015
Nuclear repulsion energy104.700177
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-121G
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' 3486 3402 1.89      
2 A' 3085 3011 102.72      
3 A' 3056 2982 6.11      
4 A' 3012 2940 64.24      
5 A' 2895 2826 166.87      
6 A' 1544 1507 0.33      
7 A' 1526 1489 4.61      
8 A' 1416 1382 1.46      
9 A' 1332 1300 2.14      
10 A' 1229 1200 3.39      
11 A' 1219 1190 3.89      
12 A' 1078 1053 1.23      
13 A' 997 973 5.76      
14 A' 928 905 2.38      
15 A' 884 863 0.80      
16 A' 835 815 41.17      
17 A' 745 727 51.67      
18 A' 546 533 92.83      
19 A' 254 248 6.03      
20 A" 3064 2990 22.68      
21 A" 3048 2974 47.47      
22 A" 2996 2924 39.38      
23 A" 2892 2823 60.09      
24 A" 1529 1493 0.40      
25 A" 1510 1474 1.11      
26 A" 1453 1418 3.04      
27 A" 1336 1304 3.04      
28 A" 1297 1266 25.92      
29 A" 1251 1221 3.02      
30 A" 1185 1157 0.01      
31 A" 1127 1100 11.80      
32 A" 1106 1080 5.50      
33 A" 931 908 0.85      
34 A" 869 848 2.82      
35 A" 621 606 1.45      
36 A" 55 54 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 28169.0 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 27492.9 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 MP2/CEP-121G
ABC
0.21911 0.21759 0.12371

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.521 -1.131 0.000
H2 0.482 -2.155 0.000
C3 -0.094 -0.473 1.204
C4 -0.094 -0.473 -1.204
C5 -0.094 1.045 0.794
C6 -0.094 1.045 -0.794
H7 -1.137 -0.819 1.393
H8 -1.137 -0.819 -1.393
H9 0.514 -0.673 2.100
H10 0.514 -0.673 -2.100
H11 0.811 1.541 1.179
H12 0.811 1.541 -1.179
H13 -0.976 1.567 1.203
H14 -0.976 1.567 -1.203

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
N11.02491.50341.50342.39592.39592.18782.18782.14892.14892.93472.93473.31163.3116
H21.02492.14682.14683.34633.34632.51892.51892.57012.57013.89333.89334.17444.1744
C31.50342.14682.40741.57222.50861.11422.81931.10113.36482.20863.24872.22273.2758
C41.50342.14682.40742.50861.57222.81931.11423.36481.10113.24872.20863.27582.2227
C52.39593.34631.57222.50861.58722.21763.05602.24163.41901.10202.22631.10332.2439
C62.39593.34632.50861.57221.58723.05602.21763.41902.24162.22631.10202.24391.1033
H72.18782.51891.11422.81932.21763.05602.78591.80133.86563.06733.99702.39923.5294
H82.18782.51892.81931.11423.05602.21762.78593.86561.80133.99703.06733.52942.3992
H92.14892.57011.10113.36482.24163.41901.80133.86564.19922.41623.96712.83584.2593
H102.14892.57013.36481.10113.41902.24163.86561.80134.19923.96712.41624.25932.8358
H112.93473.89332.20863.24871.10202.22633.06733.99702.41623.96712.35761.78692.9772
H122.93473.89333.24872.20862.22631.10203.99703.06733.96712.41622.35762.97721.7869
H133.31164.17442.22273.27581.10332.24392.39923.52942.83584.25931.78692.97722.4053
H143.31164.17443.27582.22272.24391.10333.52942.39924.25932.83582.97721.78692.4053

picture of Pyrrolidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 102.316 N1 C3 H7 112.546
N1 C3 H9 110.237 N1 C4 C6 102.316
N1 C4 H8 112.546 N1 C4 H10 110.237
H2 N1 C3 114.914 H2 N1 C4 114.914
C3 N1 C4 106.385 C3 C5 C6 105.121
C3 C5 H11 110.116 C3 C5 H13 111.145
C4 C6 C5 105.121 C4 C6 H12 110.116
C4 C6 H14 111.145 C5 C3 H7 110.104
C5 C3 H9 112.784 C5 C6 H12 110.457
C5 C6 H14 111.761 C6 C4 H8 110.104
C6 C4 H10 112.784 C6 C5 H11 110.457
C6 C5 H13 111.761 H7 C3 H9 108.803
H8 C4 H10 108.803 H11 C5 H13 108.239
H12 C6 H14 108.239
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability