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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B2PLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-209.800267
Energy at 298.15K 
HF Energy-209.643678
Nuclear repulsion energy159.712499
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 B2PLYP/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3710 3710 52.93      
2 A1 3322 3322 0.12      
3 A1 3294 3294 7.23      
4 A1 1512 1512 7.88      
5 A1 1440 1440 6.88      
6 A1 1176 1176 0.65      
7 A1 1119 1119 6.65      
8 A1 1050 1050 32.84      
9 A1 923 923 0.49      
10 A2 867 867 0.00      
11 A2 691 691 0.00      
12 A2 631 631 0.00      
13 B1 832 832 9.57      
14 B1 733 733 135.23      
15 B1 641 641 4.01      
16 B1 580 580 132.17      
17 B2 3313 3313 7.32      
18 B2 3282 3282 3.89      
19 B2 1597 1597 8.51      
20 B2 1471 1471 12.36      
21 B2 1350 1350 0.16      
22 B2 1197 1197 1.05      
23 B2 1091 1091 22.82      
24 B2 905 905 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 18362.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18362.2 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 B2PLYP/6-31G
ABC
0.29979 0.29704 0.14920

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.132
H2 0.000 0.000 2.138
C3 0.000 1.137 0.332
C4 0.000 -1.137 0.332
C5 0.000 0.717 -0.988
C6 0.000 -0.717 -0.988
H7 0.000 2.127 0.761
H8 0.000 -2.127 0.761
H9 0.000 1.360 -1.855
H10 0.000 -1.360 -1.855

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00571.39021.39022.23852.23852.15882.15883.28263.2826
H21.00572.13372.13373.20733.20732.53362.53364.21854.2185
C31.39022.13372.27441.38592.27671.07813.29182.19913.3202
C41.39022.13372.27442.27671.38593.29181.07813.32022.1991
C52.23853.20731.38592.27671.43462.24613.33871.07952.2513
C62.23853.20732.27671.38591.43463.33872.24612.25131.0795
H72.15882.53361.07813.29182.24613.33874.25332.72594.3592
H82.15882.53363.29181.07813.33872.24614.25334.35922.7259
H93.28264.21852.19913.32021.07952.25132.72594.35922.7207
H103.28264.21853.32022.19912.25131.07954.35922.72592.7207

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.478 N1 C3 H7 121.482
N1 C4 C6 107.478 N1 C4 H8 121.482
H2 N1 C3 125.116 H2 N1 C4 125.116
C3 N1 C4 109.769 C3 C5 C6 107.638
C3 C5 H9 125.796 C4 C6 C5 107.638
C4 C6 H10 125.796 C5 C3 H7 131.041
C5 C6 H10 126.566 C6 C4 H8 131.041
C6 C5 H9 126.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.688      
2 H 0.331      
3 C 0.077      
4 C 0.077      
5 C -0.193      
6 C -0.193      
7 H 0.157      
8 H 0.157      
9 H 0.137      
10 H 0.137      


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 1.913 1.913
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.588 0.000 0.000
y 0.000 -26.674 0.000
z 0.000 0.000 -23.640
Traceless
 xyz
x -8.431 0.000 0.000
y 0.000 1.940 0.000
z 0.000 0.000 6.491
Polar
3z2-r212.982
x2-y2-6.914
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.337 0.000 0.000
y 0.000 7.618 0.000
z 0.000 0.000 7.554


<r2> (average value of r2) Å2
<r2> 86.538
(<r2>)1/2 9.303