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 C4H9N (Pyrrolidine)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-211.228145
Energy at 298.15K-211.239902
HF Energy-211.228145
Nuclear repulsion energy191.369696
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 HF/Def2TZVPP
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' 3771 3418 0.94      
2 A' 3240 2937 100.92      
3 A' 3213 2912 8.52      
4 A' 3196 2897 59.90      
5 A' 3085 2796 153.47      
6 A' 1659 1504 0.54      
7 A' 1630 1478 3.57      
8 A' 1529 1386 2.59      
9 A' 1437 1303 1.62      
10 A' 1364 1236 2.71      
11 A' 1332 1208 9.20      
12 A' 1142 1035 0.51      
13 A' 1070 970 3.33      
14 A' 1009 915 13.81      
15 A' 957 868 13.86      
16 A' 941 853 42.61      
17 A' 828 750 22.99      
18 A' 622 564 45.70      
19 A' 302 274 3.73      
20 A" 3216 2915 25.27      
21 A" 3202 2902 99.35      
22 A" 3183 2885 15.21      
23 A" 3079 2791 40.87      
24 A" 1641 1487 1.71      
25 A" 1609 1458 0.41      
26 A" 1577 1430 10.83      
27 A" 1451 1315 4.40      
28 A" 1433 1299 24.07      
29 A" 1358 1231 4.23      
30 A" 1315 1192 0.33      
31 A" 1234 1119 12.40      
32 A" 1195 1083 4.95      
33 A" 991 899 0.00      
34 A" 936 848 2.50      
35 A" 685 621 1.11      
36 A" 73 66 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 30251.8 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 27420.3 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 HF/Def2TZVPP
ABC
0.23200 0.22984 0.13101

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.515 -1.101 0.000
H2 0.391 -2.090 0.000
C3 -0.098 -0.464 1.154
C4 -0.098 -0.464 -1.154
C5 -0.098 1.021 0.773
C6 -0.098 1.021 -0.773
H7 -1.122 -0.810 1.304
H8 -1.122 -0.810 -1.304
H9 0.457 -0.674 2.058
H10 0.457 -0.674 -2.058
H11 0.794 1.502 1.150
H12 0.794 1.502 -1.150
H13 -0.948 1.544 1.191
H14 -0.948 1.544 -1.191

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
N10.99701.45391.45392.34032.34032.11272.11272.10312.10312.85902.85903.24883.2488
H20.99702.05332.05333.24303.24302.37242.37242.49972.49973.79303.79304.05194.0519
C31.45392.05332.30821.53292.43321.09052.68491.08143.26682.15873.15712.18063.2021
C41.45392.05332.30822.43321.53292.68491.09053.26681.08143.15712.15873.20212.1806
C52.34033.24301.53292.43321.54702.16322.95192.19763.34641.08092.17381.08172.2034
C62.34033.24302.43321.53291.54702.95192.16323.34642.19762.17381.08092.20341.0817
H72.11272.37241.09052.68492.16322.95192.60791.75463.71683.00583.87702.36253.4342
H82.11272.37242.68491.09052.95192.16322.60793.71681.75463.87703.00583.43422.3625
H92.10312.49971.08143.26682.19763.34641.75463.71684.11672.38143.89062.76444.1771
H102.10312.49973.26681.08143.34642.19763.71681.75464.11673.89062.38144.17712.7644
H112.85903.79302.15873.15711.08092.17383.00583.87702.38143.89062.29921.74282.9179
H122.85903.79303.15712.15872.17381.08093.87703.00583.89062.38142.29922.91791.7428
H133.24884.05192.18063.20211.08172.20342.36253.43422.76444.17711.74282.91792.3821
H143.24884.05193.20212.18062.20341.08173.43422.36254.17712.76442.91791.74282.3821

picture of Pyrrolidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 103.140 N1 C3 H7 111.471
N1 C3 H9 111.252 N1 C4 C6 103.140
N1 C4 H8 111.471 N1 C4 H10 111.252
H2 N1 C3 112.476 H2 N1 C4 112.476
C3 N1 C4 105.084 C3 C5 C6 104.376
C3 C5 H11 110.158 C3 C5 H13 111.868
C4 C6 C5 104.376 C4 C6 H12 110.158
C4 C6 H14 111.868 C5 C3 H7 109.946
C5 C3 H9 113.279 C5 C6 H12 110.363
C5 C6 H14 112.708 C6 C4 H8 109.946
C6 C4 H10 113.279 C6 C5 H11 110.363
C6 C5 H13 112.708 H7 C3 H9 107.773
H8 C4 H10 107.773 H11 C5 H13 107.391
H12 C6 H14 107.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.319      
2 H 0.112      
3 C -0.006      
4 C -0.006      
5 C -0.077      
6 C -0.077      
7 H 0.042      
8 H 0.042      
9 H 0.054      
10 H 0.054      
11 H 0.047      
12 H 0.047      
13 H 0.043      
14 H 0.043      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.983 -0.207 0.000 1.004
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.260 0.938 0.000
y 0.938 -30.703 0.000
z 0.000 0.000 -31.838
Traceless
 xyz
x -2.989 0.938 0.000
y 0.938 2.346 0.000
z 0.000 0.000 0.643
Polar
3z2-r21.286
x2-y2-3.557
xy0.938
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.792 -0.060 0.000
y -0.060 7.703 0.000
z 0.000 0.000 8.073


<r2> (average value of r2) Å2
<r2> 108.405
(<r2>)1/2 10.412