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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B97D3/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31G(2df,p)
 hartrees
Energy at 0K-210.044432
Energy at 298.15K 
HF Energy-210.044432
Nuclear repulsion energy160.369605
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 B97D3/6-31G(2df,p)
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 3636 3636 45.66      
2 A1 3224 3224 0.65      
3 A1 3202 3202 7.37      
4 A1 1470 1470 7.09      
5 A1 1388 1388 3.28      
6 A1 1158 1158 2.59      
7 A1 1082 1082 4.95      
8 A1 1017 1017 24.71      
9 A1 884 884 0.09      
10 A2 827 827 0.00      
11 A2 637 637 0.00      
12 A2 611 611 0.00      
13 B1 776 776 12.39      
14 B1 705 705 99.62      
15 B1 625 625 1.69      
16 B1 447 447 58.93      
17 B2 3216 3216 10.10      
18 B2 3191 3191 2.53      
19 B2 1541 1541 3.73      
20 B2 1420 1420 6.27      
21 B2 1273 1273 1.58      
22 B2 1142 1142 1.77      
23 B2 1048 1048 21.77      
24 B2 865 865 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 17691.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17691.0 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 B97D3/6-31G(2df,p)
ABC
0.30315 0.29905 0.15054

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.123
H2 0.000 0.000 2.130
C3 0.000 1.129 0.333
C4 0.000 -1.129 0.333
C5 0.000 0.714 -0.986
C6 0.000 -0.714 -0.986
H7 0.000 2.117 0.776
H8 0.000 -2.117 0.776
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
N11.00681.37811.37812.22662.22662.14492.14493.27323.2732
H21.00682.12202.12203.19663.19662.51272.51274.20954.2095
C31.37812.12202.25881.38342.26671.08183.27602.19873.3153
C41.37812.12202.25882.26671.38343.27601.08183.31532.1987
C52.22663.19661.38342.26671.42732.25213.33381.08302.2502
C62.22663.19662.26671.38341.42733.33382.25212.25021.0830
H72.14492.51271.08183.27602.25213.33384.23322.73454.3607
H82.14492.51273.27601.08183.33382.25214.23324.36072.7345
H93.27324.20952.19873.31531.08302.25022.73454.36072.7257
H103.27324.20953.31532.19872.25021.08304.36072.73452.7257

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.475 N1 C3 H7 120.902
N1 C4 C6 107.475 N1 C4 H8 120.902
H2 N1 C3 124.963 H2 N1 C4 124.963
C3 N1 C4 110.074 C3 C5 C6 107.488
C3 C5 H9 125.683 C4 C6 C5 107.488
C4 C6 H10 125.683 C5 C3 H7 131.622
C5 C6 H10 126.830 C6 C4 H8 131.622
C6 C5 H9 126.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.224      
2 H 0.261      
3 C -0.084      
4 C -0.084      
5 C -0.139      
6 C -0.139      
7 H 0.113      
8 H 0.113      
9 H 0.092      
10 H 0.092      


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 1.859 1.859
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.483 0.000 0.000
y 0.000 -26.444 0.000
z 0.000 0.000 -23.277
Traceless
 xyz
x -7.623 0.000 0.000
y 0.000 1.436 0.000
z 0.000 0.000 6.187
Polar
3z2-r212.375
x2-y2-6.039
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.305 0.000 0.000
y 0.000 8.262 0.000
z 0.000 0.000 8.036


<r2> (average value of r2) Å2
<r2> 85.644
(<r2>)1/2 9.254