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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-209.945927
Energy at 298.15K 
HF Energy-209.945927
Nuclear repulsion energy161.300670
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 HSEh1PBE/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 3732 3561 64.84      
2 A1 3308 3156 0.06      
3 A1 3285 3135 3.94      
4 A1 1534 1464 9.90      
5 A1 1460 1393 3.81      
6 A1 1198 1144 3.49      
7 A1 1112 1061 7.95      
8 A1 1052 1004 26.30      
9 A1 901 860 0.15      
10 A2 885 844 0.00      
11 A2 689 657 0.00      
12 A2 634 605 0.00      
13 B1 834 796 3.01      
14 B1 739 705 126.66      
15 B1 649 619 0.74      
16 B1 485 462 81.04      
17 B2 3302 3151 4.47      
18 B2 3273 3124 2.74      
19 B2 1610 1536 4.46      
20 B2 1499 1431 6.83      
21 B2 1319 1259 2.71      
22 B2 1177 1123 3.88      
23 B2 1083 1034 24.37      
24 B2 875 835 1.34      

Unscaled Zero Point Vibrational Energy (zpe) 18316.5 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 17479.4 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 HSEh1PBE/6-31G**
ABC
0.30713 0.30232 0.15235

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.117
H2 0.000 0.000 2.122
C3 0.000 1.120 0.332
C4 0.000 -1.120 0.332
C5 0.000 0.710 -0.980
C6 0.000 -0.710 -0.980
H7 0.000 2.108 0.767
H8 0.000 -2.108 0.767
H9 0.000 1.359 -1.844
H10 0.000 -1.359 -1.844

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00481.36771.36772.21422.21422.13722.13723.25843.2584
H21.00482.11132.11133.18233.18232.50622.50624.19264.1926
C31.36772.11132.24001.37492.25191.07983.25752.18943.2990
C41.36772.11132.24002.25191.37493.25751.07983.29902.1894
C52.21423.18231.37492.25191.42002.23793.31601.08082.2424
C62.21423.18232.25191.37491.42003.31602.23792.24241.0808
H72.13722.50621.07983.25752.23793.31604.21672.71654.3408
H82.13722.50623.25751.07983.31602.23794.21674.34082.7165
H93.25844.19262.18943.29901.08082.24242.71654.34082.7185
H103.25844.19263.29902.18942.24241.08084.34082.71652.7185

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.676 N1 C3 H7 121.224
N1 C4 C6 107.676 N1 C4 H8 121.224
H2 N1 C3 125.027 H2 N1 C4 125.027
C3 N1 C4 109.947 C3 C5 C6 107.351
C3 C5 H9 125.725 C4 C6 C5 107.351
C4 C6 H10 125.725 C5 C3 H7 131.100
C5 C6 H10 126.925 C6 C4 H8 131.100
C6 C5 H9 126.925
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.518      
2 H 0.286      
3 C 0.048      
4 C 0.048      
5 C -0.174      
6 C -0.174      
7 H 0.130      
8 H 0.130      
9 H 0.113      
10 H 0.113      


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 1.940 1.940
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.973 0.000 0.000
y 0.000 -26.112 0.000
z 0.000 0.000 -22.941
Traceless
 xyz
x -8.447 0.000 0.000
y 0.000 1.845 0.000
z 0.000 0.000 6.602
Polar
3z2-r213.204
x2-y2-6.862
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.727 0.000 0.000
y 0.000 7.811 0.000
z 0.000 0.000 7.678


<r2> (average value of r2) Å2
<r2> 84.835
(<r2>)1/2 9.211