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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-209.945105
Energy at 298.15K-209.950986
HF Energy-209.945105
Nuclear repulsion energy160.219768
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 PBEPBE/6-311G*
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 3593 3556 37.47      
2 A1 3197 3164 0.16      
3 A1 3175 3142 8.49      
4 A1 1467 1452 6.39      
5 A1 1396 1382 2.87      
6 A1 1155 1143 2.29      
7 A1 1072 1061 5.83      
8 A1 1013 1002 29.17      
9 A1 875 866 0.10      
10 A2 815 806 0.00      
11 A2 624 617 0.00      
12 A2 612 606 0.00      
13 B1 762 754 9.69      
14 B1 686 679 160.51      
15 B1 625 618 0.00      
16 B1 443 438 70.26      
17 B2 3191 3158 9.71      
18 B2 3163 3130 3.39      
19 B2 1539 1523 3.86      
20 B2 1432 1417 5.44      
21 B2 1268 1255 1.83      
22 B2 1138 1126 3.47      
23 B2 1040 1029 28.80      
24 B2 852 843 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 17565.5 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 17382.8 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 PBEPBE/6-311G*
ABC
0.30327 0.29813 0.15034

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.124
H2 0.000 0.000 2.138
C3 0.000 1.128 0.334
C4 0.000 -1.128 0.334
C5 0.000 0.713 -0.987
C6 0.000 -0.713 -0.987
H7 0.000 2.122 0.774
H8 0.000 -2.122 0.774
H9 0.000 1.365 -1.858
H10 0.000 -1.365 -1.858

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01311.37781.37782.22872.22872.15112.15113.28023.2802
H21.01312.12762.12763.20513.20512.52282.52284.22264.2226
C31.37782.12762.25681.38502.26611.08693.28042.20493.3201
C41.37782.12762.25682.26611.38503.28041.08693.32012.2049
C52.22873.20511.38502.26611.42542.25573.33751.08822.2530
C62.22873.20512.26611.38501.42543.33752.25572.25301.0882
H72.15112.52281.08693.28042.25573.33754.24472.73884.3692
H82.15112.52283.28041.08693.33752.25574.24474.36922.7388
H93.28024.22262.20493.32011.08822.25302.73884.36922.7301
H103.28024.22263.32012.20492.25301.08824.36922.73882.7301

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.549 N1 C3 H7 121.111
N1 C4 C6 107.549 N1 C4 H8 121.111
H2 N1 C3 125.016 H2 N1 C4 125.016
C3 N1 C4 109.969 C3 C5 C6 107.466
C3 C5 H9 125.703 C4 C6 C5 107.466
C4 C6 H10 125.703 C5 C3 H7 131.340
C5 C6 H10 126.831 C6 C4 H8 131.340
C6 C5 H9 126.831
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.487      
2 H 0.339      
3 C -0.028      
4 C -0.028      
5 C -0.276      
6 C -0.276      
7 H 0.199      
8 H 0.199      
9 H 0.179      
10 H 0.179      


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 2.006 2.006
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.952 0.000 0.000
y 0.000 -26.666 0.000
z 0.000 0.000 -23.259
Traceless
 xyz
x -8.989 0.000 0.000
y 0.000 1.939 0.000
z 0.000 0.000 7.050
Polar
3z2-r214.100
x2-y2-7.286
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.572 0.000 0.000
y 0.000 8.424 0.000
z 0.000 0.000 8.149


<r2> (average value of r2) Å2
<r2> 86.132
(<r2>)1/2 9.281