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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBE1PBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-209.992105
Energy at 298.15K 
HF Energy-209.992105
Nuclear repulsion energy161.737459
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 PBE1PBE/6-311+G(3df,2p)
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 3718 3718 72.93      
2 A1 3282 3282 0.02      
3 A1 3262 3262 1.80      
4 A1 1518 1518 10.18      
5 A1 1439 1439 3.00      
6 A1 1193 1193 3.00      
7 A1 1103 1103 8.17      
8 A1 1044 1044 28.94      
9 A1 902 902 0.21      
10 A2 897 897 0.00      
11 A2 707 707 0.00      
12 A2 632 632 0.00      
13 B1 855 855 0.52      
14 B1 740 740 163.05      
15 B1 649 649 0.09      
16 B1 508 508 71.95      
17 B2 3276 3276 1.46      
18 B2 3250 3250 2.13      
19 B2 1589 1589 1.81      
20 B2 1474 1474 5.51      
21 B2 1315 1315 1.82      
22 B2 1169 1169 3.79      
23 B2 1076 1076 25.95      
24 B2 875 875 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 18236.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18236.0 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 PBE1PBE/6-311+G(3df,2p)
ABC
0.30877 0.30401 0.15319

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.114
H2 0.000 0.000 2.117
C3 0.000 1.117 0.331
C4 0.000 -1.117 0.331
C5 0.000 0.708 -0.978
C6 0.000 -0.708 -0.978
H7 0.000 2.103 0.764
H8 0.000 -2.103 0.764
H9 0.000 1.357 -1.839
H10 0.000 -1.357 -1.839

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00301.36361.36362.20812.20812.13222.13223.24963.2496
H21.00302.10612.10613.17443.17442.50082.50084.18204.1820
C31.36362.10612.23331.37092.24581.07753.24892.18343.2904
C41.36362.10612.23332.24581.37093.24891.07753.29042.1834
C52.20813.17441.37092.24581.41682.23143.30741.07812.2376
C62.20813.17442.24581.37091.41683.30742.23142.23761.0781
H72.13222.50081.07753.24892.23143.30744.20662.70814.3299
H82.13222.50083.24891.07753.30742.23144.20664.32992.7081
H93.24964.18202.18343.29041.07812.23762.70814.32992.7134
H103.24964.18203.29042.18342.23761.07814.32992.70812.7134

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.704 N1 C3 H7 121.278
N1 C4 C6 107.704 N1 C4 H8 121.278
H2 N1 C3 125.029 H2 N1 C4 125.029
C3 N1 C4 109.942 C3 C5 C6 107.325
C3 C5 H9 125.712 C4 C6 C5 107.325
C4 C6 H10 125.712 C5 C3 H7 131.018
C5 C6 H10 126.963 C6 C4 H8 131.018
C6 C5 H9 126.963
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.856      
2 H 0.146      
3 C 0.098      
4 C 0.098      
5 C 0.003      
6 C 0.003      
7 H 0.131      
8 H 0.131      
9 H 0.123      
10 H 0.123      


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 1.882 1.882
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.116 0.000 0.000
y 0.000 -27.013 0.000
z 0.000 0.000 -23.712
Traceless
 xyz
x -8.754 0.000 0.000
y 0.000 1.902 0.000
z 0.000 0.000 6.852
Polar
3z2-r213.704
x2-y2-7.104
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.647 0.000 0.000
y 0.000 9.208 0.000
z 0.000 0.000 8.814


<r2> (average value of r2) Å2
<r2> 85.058
(<r2>)1/2 9.223