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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-36.869083
Energy at 298.15K-36.880835
Nuclear repulsion energy106.966156
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' 3761 3397 0.71      
2 A' 3269 2953 142.96      
3 A' 3242 2929 3.47      
4 A' 3221 2910 82.66      
5 A' 3114 2813 188.47      
6 A' 1670 1509 0.25      
7 A' 1642 1483 2.33      
8 A' 1532 1384 6.05      
9 A' 1446 1307 1.08      
10 A' 1365 1234 2.89      
11 A' 1336 1207 12.14      
12 A' 1142 1032 0.40      
13 A' 1070 967 6.64      
14 A' 1009 912 19.08      
15 A' 970 877 52.28      
16 A' 952 860 15.53      
17 A' 829 749 21.31      
18 A' 621 561 41.36      
19 A' 305 276 5.27      
20 A" 3247 2934 47.90      
21 A" 3233 2920 88.90      
22 A" 3205 2895 34.77      
23 A" 3106 2806 44.97      
24 A" 1653 1493 3.60      
25 A" 1619 1462 0.44      
26 A" 1578 1426 6.99      
27 A" 1456 1315 18.40      
28 A" 1433 1294 18.90      
29 A" 1360 1228 5.77      
30 A" 1312 1185 0.47      
31 A" 1231 1112 10.56      
32 A" 1191 1076 4.56      
33 A" 992 896 0.04      
34 A" 933 843 2.34      
35 A" 678 612 1.35      
36 A" 73 66 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 30397.2 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 27460.9 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
0.22952 0.22678 0.12963

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 0.531 -1.105 0.000
H2 0.395 -2.099 0.000
C3 -0.091 -0.468 1.161
C4 -0.091 -0.468 -1.161
C5 -0.091 1.027 0.778
C6 -0.091 1.027 -0.778
H7 -1.118 -0.814 1.320
H8 -1.118 -0.814 -1.320
H9 0.473 -0.674 2.065
H10 0.473 -0.674 -2.065
H11 0.801 1.513 1.158
H12 0.801 1.513 -1.158
H13 -0.949 1.547 1.196
H14 -0.949 1.547 -1.196

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
N11.00261.46351.46352.35382.35382.13252.13252.11092.11092.87602.87603.26413.2641
H21.00262.06022.06023.25783.25782.38372.38372.51042.51043.81483.81484.06534.0653
C31.46352.06022.32191.54312.44851.09542.70751.08583.28192.17283.17812.18993.2168
C41.46352.06022.32192.44851.54312.70751.09543.28191.08583.17812.17283.21682.1899
C52.35383.25781.54312.44851.55652.17692.97462.20663.36131.08532.18721.08592.2138
C62.35383.25782.44851.54311.55652.97462.17693.36132.20662.18721.08532.21381.0859
H72.13252.38371.09542.70752.17692.97462.64041.76263.74353.02133.90452.37083.4546
H82.13252.38372.70751.09542.97462.17692.64043.74351.76263.90453.02133.45462.3708
H92.11092.51041.08583.28192.20663.36131.76263.74354.13092.39043.90952.77674.1938
H102.11092.51043.28191.08583.36132.20663.74351.76264.13093.90952.39044.19382.7767
H112.87603.81482.17283.17811.08532.18723.02133.90452.39043.90952.31681.75072.9334
H122.87603.81483.17812.17282.18721.08533.90453.02133.90952.39042.31682.93341.7507
H133.26414.06532.18993.21681.08592.21382.37083.45462.77674.19381.75072.93342.3912
H143.26414.06533.21682.18992.21381.08593.45462.37084.19382.77672.93341.75072.3912

picture of Pyrrolidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 103.024 N1 C3 H7 112.096
N1 C3 H9 110.922 N1 C4 C6 103.024
N1 C4 H8 112.096 N1 C4 H10 110.922
H2 N1 C3 111.958 H2 N1 C4 111.958
C3 N1 C4 104.987 C3 C5 C6 104.360
C3 C5 H11 110.300 C3 C5 H13 111.629
C4 C6 C5 104.360 C4 C6 H12 110.300
C4 C6 H14 111.629 C5 C3 H7 110.029
C5 C3 H9 112.990 C5 C6 H12 110.505
C5 C6 H14 112.602 C6 C4 H8 110.029
C6 C4 H10 112.990 C6 C5 H11 110.505
C6 C5 H13 112.602 H7 C3 H9 107.815
H8 C4 H10 107.815 H11 C5 H13 107.472
H12 C6 H14 107.472
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 -0.510      
2 H 0.313      
3 C -0.200      
4 C -0.200      
5 C -0.321      
6 C -0.321      
7 H 0.127      
8 H 0.127      
9 H 0.173      
10 H 0.173      
11 H 0.162      
12 H 0.162      
13 H 0.158      
14 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.144 -0.209 0.000 1.163
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.496 1.122 0.000
y 1.122 -30.512 0.000
z 0.000 0.000 -31.579
Traceless
 xyz
x -3.450 1.122 0.000
y 1.122 2.526 0.000
z 0.000 0.000 0.924
Polar
3z2-r21.849
x2-y2-3.984
xy1.122
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.534 0.028 0.000
y 0.028 7.257 0.000
z 0.000 0.000 7.683


<r2> (average value of r2) Å2
<r2> 93.331
(<r2>)1/2 9.661