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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: TPSSh/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 TPSSh/6-311G**
 hartrees
Energy at 0K-210.237717
Energy at 298.15K 
HF Energy-210.237717
Nuclear repulsion energy160.876772
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 TPSSh/6-311G**
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 3661 3661 54.78      
2 A1 3265 3265 0.23      
3 A1 3243 3243 6.96      
4 A1 1503 1503 8.14      
5 A1 1424 1424 3.48      
6 A1 1173 1173 2.28      
7 A1 1098 1098 7.22      
8 A1 1038 1038 31.17      
9 A1 890 890 0.16      
10 A2 874 874 0.00      
11 A2 680 680 0.00      
12 A2 626 626 0.00      
13 B1 826 826 3.11      
14 B1 732 732 156.14      
15 B1 638 638 0.43      
16 B1 474 474 69.68      
17 B2 3259 3259 7.49      
18 B2 3231 3231 3.40      
19 B2 1576 1576 3.31      
20 B2 1459 1459 6.24      
21 B2 1308 1308 1.15      
22 B2 1162 1162 1.98      
23 B2 1069 1069 27.22      
24 B2 871 871 1.31      

Unscaled Zero Point Vibrational Energy (zpe) 18039.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18039.5 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 TPSSh/6-311G**
ABC
0.30519 0.30090 0.15151

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.121
H2 0.000 0.000 2.127
C3 0.000 1.125 0.332
C4 0.000 -1.125 0.332
C5 0.000 0.711 -0.983
C6 0.000 -0.711 -0.983
H7 0.000 2.111 0.768
H8 0.000 -2.111 0.768
H9 0.000 1.359 -1.847
H10 0.000 -1.359 -1.847

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00671.37421.37422.22052.22052.14082.14083.26363.2636
H21.00672.11912.11913.19043.19042.51142.51144.19984.1998
C31.37422.11912.25021.37792.25841.07843.26582.19073.3038
C41.37422.11912.25022.25841.37793.26581.07843.30382.1907
C52.22053.19041.37792.25841.42292.24133.32151.07962.2434
C62.22053.19042.25841.37791.42293.32152.24132.24341.0796
H72.14082.51141.07843.26582.24133.32154.22292.72034.3448
H82.14082.51143.26581.07843.32152.24134.22294.34482.7203
H93.26364.19982.19073.30381.07962.24342.72034.34482.7180
H103.26364.19983.30382.19072.24341.07964.34482.72032.7180

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.572 N1 C3 H7 121.111
N1 C4 C6 107.572 N1 C4 H8 121.111
H2 N1 C3 125.043 H2 N1 C4 125.043
C3 N1 C4 109.914 C3 C5 C6 107.471
C3 C5 H9 125.673 C4 C6 C5 107.471
C4 C6 H10 125.673 C5 C3 H7 131.317
C5 C6 H10 126.856 C6 C4 H8 131.317
C6 C5 H9 126.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.353      
2 H 0.226      
3 C 0.065      
4 C 0.065      
5 C -0.184      
6 C -0.184      
7 H 0.099      
8 H 0.099      
9 H 0.083      
10 H 0.083      


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 1.953 1.953
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.646 0.000 0.000
y 0.000 8.295 0.000
z 0.000 0.000 8.090


<r2> (average value of r2) Å2
<r2> 85.475
(<r2>)1/2 9.245