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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-208.782318
Energy at 298.15K-208.788589
HF Energy-208.782318
Nuclear repulsion energy160.417131
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 HSEh1PBE/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3649 3515 71.64      
2 A1 3326 3204 0.01      
3 A1 3299 3178 2.03      
4 A1 1500 1445 3.75      
5 A1 1425 1372 7.27      
6 A1 1179 1136 1.49      
7 A1 1119 1078 6.82      
8 A1 1047 1009 30.70      
9 A1 936 901 0.49      
10 A2 928 894 0.00      
11 A2 738 711 0.00      
12 A2 648 625 0.00      
13 B1 887 854 2.45      
14 B1 760 733 142.02      
15 B1 657 632 0.72      
16 B1 619 596 148.48      
17 B2 3315 3194 1.97      
18 B2 3288 3167 2.03      
19 B2 1588 1530 11.83      
20 B2 1456 1402 8.63      
21 B2 1337 1288 0.14      
22 B2 1188 1145 2.26      
23 B2 1081 1042 29.56      
24 B2 918 885 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 18444.4 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 17767.5 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 HSEh1PBE/3-21G
ABC
0.30297 0.29946 0.15060

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.130
H2 0.000 0.000 2.134
C3 0.000 1.128 0.329
C4 0.000 -1.128 0.329
C5 0.000 0.726 -0.992
C6 0.000 -0.726 -0.992
H7 0.000 2.103 0.755
H8 0.000 -2.103 0.755
H9 0.000 1.417 -1.804
H10 0.000 -1.417 -1.804

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00391.38381.38382.24292.24292.13672.13673.25883.2588
H21.00392.12862.12863.20923.20922.51532.51534.18564.1856
C31.38382.12862.25661.38092.27681.06413.25982.15283.3213
C41.38382.12862.25662.27681.38093.25981.06413.32132.1528
C52.24293.20921.38092.27681.45222.22463.32541.06662.2921
C62.24293.20922.27681.38091.45223.32542.22462.29211.0666
H72.13672.51531.06413.25982.22463.32544.20702.64964.3526
H82.13672.51533.25981.06413.32542.22464.20704.35262.6496
H93.25884.18562.15283.32131.06662.29212.64964.35262.8345
H103.25884.18563.32132.15282.29211.06664.35262.64962.8345

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 108.440 N1 C3 H7 121.034
N1 C4 C6 108.440 N1 C4 H8 121.034
H2 N1 C3 125.375 H2 N1 C4 125.375
C3 N1 C4 109.249 C3 C5 C6 106.936
C3 C5 H9 122.673 C4 C6 C5 106.936
C4 C6 H10 122.673 C5 C3 H7 130.527
C5 C6 H10 130.391 C6 C4 H8 130.527
C6 C5 H9 130.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.729      
2 H 0.342      
3 C 0.048      
4 C 0.048      
5 C -0.286      
6 C -0.286      
7 H 0.229      
8 H 0.229      
9 H 0.203      
10 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.021 2.021
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.992 0.000 0.000
y 0.000 -25.867 0.000
z 0.000 0.000 -22.791
Traceless
 xyz
x -9.663 0.000 0.000
y 0.000 2.524 0.000
z 0.000 0.000 7.139
Polar
3z2-r214.278
x2-y2-8.125
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.876 0.000 0.000
y 0.000 7.248 0.000
z 0.000 0.000 7.154


<r2> (average value of r2) Å2
<r2> 85.681
(<r2>)1/2 9.256