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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-209.975328
Energy at 298.15K 
HF Energy-209.975328
Nuclear repulsion energy160.509561
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 PBEPBEultrafine/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 3595 3595 56.85      
2 A1 3197 3197 0.01      
3 A1 3177 3177 2.67      
4 A1 1458 1458 8.70      
5 A1 1386 1386 2.30      
6 A1 1151 1151 2.25      
7 A1 1070 1070 5.25      
8 A1 1011 1011 28.83      
9 A1 873 873 0.11      
10 A2 848 848 0.00      
11 A2 657 657 0.00      
12 A2 610 610 0.00      
13 B1 801 801 1.96      
14 B1 702 702 160.82      
15 B1 626 626 0.17      
16 B1 478 478 61.88      
17 B2 3191 3191 2.19      
18 B2 3166 3166 2.11      
19 B2 1526 1526 1.17      
20 B2 1410 1410 5.08      
21 B2 1268 1268 1.54      
22 B2 1131 1131 3.30      
23 B2 1038 1038 26.70      
24 B2 846 846 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 17607.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17607.7 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 PBEPBEultrafine/6-311+G(3df,2p)
ABC
0.30420 0.29933 0.15087

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.122
H2 0.000 0.000 2.134
C3 0.000 1.127 0.333
C4 0.000 -1.127 0.333
C5 0.000 0.712 -0.985
C6 0.000 -0.712 -0.985
H7 0.000 2.119 0.771
H8 0.000 -2.119 0.771
H9 0.000 1.363 -1.853
H10 0.000 -1.363 -1.853

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01181.37531.37532.22462.22462.14772.14773.27303.2730
H21.01182.12402.12403.19963.19962.51942.51944.21394.2139
C31.37532.12402.25311.38242.26251.08433.27462.19933.3138
C41.37532.12402.25312.26251.38243.27461.08433.31382.1993
C52.22463.19961.38242.26251.42372.25023.33111.08522.2494
C62.22463.19962.26251.38241.42373.33112.25022.24941.0852
H72.14772.51941.08433.27462.25023.33114.23742.73054.3602
H82.14772.51943.27461.08433.33112.25024.23744.36022.7305
H93.27304.21392.19933.31381.08522.24942.73054.36022.7269
H103.27304.21393.31382.19932.24941.08524.36022.73052.7269

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.547 N1 C3 H7 121.204
N1 C4 C6 107.547 N1 C4 H8 121.204
H2 N1 C3 125.003 H2 N1 C4 125.003
C3 N1 C4 109.994 C3 C5 C6 107.456
C3 C5 H9 125.642 C4 C6 C5 107.456
C4 C6 H10 125.642 C5 C3 H7 131.249
C5 C6 H10 126.902 C6 C4 H8 131.249
C6 C5 H9 126.902
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.774      
2 H 0.149      
3 C 0.084      
4 C 0.084      
5 C -0.024      
6 C -0.024      
7 H 0.131      
8 H 0.131      
9 H 0.122      
10 H 0.122      


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 1.867 1.867
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.262 0.000 0.000
y 0.000 -27.416 0.000
z 0.000 0.000 -24.061
Traceless
 xyz
x -8.524 0.000 0.000
y 0.000 1.745 0.000
z 0.000 0.000 6.778
Polar
3z2-r213.557
x2-y2-6.846
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.849 0.000 0.000
y 0.000 9.652 0.000
z 0.000 0.000 9.182


<r2> (average value of r2) Å2
<r2> 86.270
(<r2>)1/2 9.288