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All results from a given calculation for C4H9N (Pyrrolidine)

using model chemistry: HF/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 HF/CEP-121G
 hartrees
Energy at 0K-36.772367
Energy at 298.15K-36.783988
Nuclear repulsion energy106.368556
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/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' 3775 3445 0.31      
2 A' 3252 2968 151.80      
3 A' 3226 2944 1.55      
4 A' 3193 2913 84.93      
5 A' 3084 2814 186.86      
6 A' 1672 1526 0.55      
7 A' 1650 1506 5.29      
8 A' 1525 1392 2.66      
9 A' 1437 1312 2.37      
10 A' 1355 1236 0.27      
11 A' 1329 1213 11.29      
12 A' 1164 1062 0.76      
13 A' 1072 979 4.59      
14 A' 1007 919 11.95      
15 A' 952 869 1.38      
16 A' 894 816 35.36      
17 A' 805 735 56.02      
18 A' 596 543 107.63      
19 A' 262 239 5.56      
20 A" 3230 2947 56.01      
21 A" 3213 2932 55.64      
22 A" 3173 2895 45.69      
23 A" 3077 2808 59.37      
24 A" 1657 1512 0.57      
25 A" 1633 1490 1.16      
26 A" 1586 1448 10.26      
27 A" 1465 1336 0.05      
28 A" 1438 1312 35.11      
29 A" 1365 1246 4.91      
30 A" 1316 1201 0.25      
31 A" 1243 1134 14.42      
32 A" 1213 1106 5.14      
33 A" 1004 916 0.44      
34 A" 943 860 2.27      
35 A" 699 638 1.60      
36 A" 25 23 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 30265.1 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 27616.9 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 HF/CEP-121G
ABC
0.22597 0.22489 0.12690

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.476 -1.130 0.000
H2 0.438 -2.129 0.000
C3 -0.086 -0.464 1.188
C4 -0.086 -0.464 -1.188
C5 -0.086 1.031 0.781
C6 -0.086 1.031 -0.781
H7 -1.105 -0.799 1.406
H8 -1.105 -0.799 -1.406
H9 0.524 -0.660 2.062
H10 0.524 -0.660 -2.062
H11 0.804 1.523 1.158
H12 0.804 1.523 -1.158
H13 -0.944 1.554 1.190
H14 -0.944 1.554 -1.190

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
N11.00001.47291.47292.36522.36522.14142.14142.11532.11532.91262.91263.26133.2613
H21.00002.11132.11133.29693.29692.47542.47542.53322.53323.84823.84824.11004.1100
C31.47292.11132.37511.54912.47181.09472.80641.08383.31192.17693.19992.19283.2346
C41.47292.11132.37512.47181.54912.80641.09473.31191.08383.19992.17693.23462.1928
C52.36523.29691.54912.47181.56212.18553.02792.20703.36341.08442.18941.08532.2129
C62.36523.29692.47181.54911.56213.02792.18553.36342.20702.18941.08442.21291.0853
H72.14142.47541.09472.80642.18553.02792.81141.76163.83363.01573.95042.36793.5071
H82.14142.47542.80641.09473.02792.18552.81143.83361.76163.95043.01573.50712.3679
H92.11532.53321.08383.31192.20703.36341.76163.83364.12372.37873.89992.79574.1992
H102.11532.53323.31191.08383.36342.20703.83361.76164.12373.89992.37874.19922.7957
H112.91263.84822.17693.19991.08442.18943.01573.95042.37873.89992.31601.74902.9279
H122.91263.84823.19992.17692.18941.08443.95043.01573.89992.37872.31602.92791.7490
H133.26134.11002.19283.23461.08532.21292.36793.50712.79574.19921.74902.92792.3806
H143.26134.11003.23462.19282.21291.08533.50712.36794.19922.79572.92791.74902.3806

picture of Pyrrolidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 102.983 N1 C3 H7 112.187
N1 C3 H9 110.732 N1 C4 C6 102.983
N1 C4 H8 112.187 N1 C4 H10 110.732
H2 N1 C3 115.931 H2 N1 C4 115.931
C3 N1 C4 107.462 C3 C5 C6 105.213
C3 C5 H11 110.261 C3 C5 H13 111.471
C4 C6 C5 105.213 C4 C6 H12 110.261
C4 C6 H14 111.471 C5 C3 H7 110.332
C5 C3 H9 112.716 C5 C6 H12 110.341
C5 C6 H14 112.154 C6 C4 H8 110.332
C6 C4 H10 112.716 C6 C5 H11 110.341
C6 C5 H13 112.154 H7 C3 H9 107.919
H8 C4 H10 107.919 H11 C5 H13 107.434
H12 C6 H14 107.434
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.517      
2 H 0.276      
3 C -0.141      
4 C -0.141      
5 C -0.258      
6 C -0.258      
7 H 0.111      
8 H 0.111      
9 H 0.139      
10 H 0.139      
11 H 0.143      
12 H 0.143      
13 H 0.126      
14 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.133 -0.182 0.000 1.148
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.768 0.994 0.000
y 0.994 -30.527 0.000
z 0.000 0.000 -31.619
Traceless
 xyz
x -3.695 0.994 0.000
y 0.994 2.666 0.000
z 0.000 0.000 1.028
Polar
3z2-r22.057
x2-y2-4.241
xy0.994
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.427 0.057 0.000
y 0.057 7.111 0.000
z 0.000 0.000 7.600


<r2> (average value of r2) Å2
<r2> 94.564
(<r2>)1/2 9.724