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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-210.090088
Energy at 298.15K-210.095986
HF Energy-210.090088
Nuclear repulsion energy159.835100
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 BLYP/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 3578 3558 41.87      
2 A1 3198 3181 0.20      
3 A1 3176 3158 6.38      
4 A1 1454 1446 6.52      
5 A1 1369 1362 3.86      
6 A1 1136 1130 1.70      
7 A1 1072 1066 4.81      
8 A1 1010 1004 24.62      
9 A1 873 868 0.04      
10 A2 820 815 0.00      
11 A2 638 635 0.00      
12 A2 607 603 0.00      
13 B1 769 765 15.39      
14 B1 706 702 87.91      
15 B1 621 617 2.87      
16 B1 446 444 55.90      
17 B2 3192 3175 7.57      
18 B2 3164 3147 2.99      
19 B2 1526 1517 3.72      
20 B2 1400 1392 6.13      
21 B2 1269 1262 1.43      
22 B2 1134 1127 1.30      
23 B2 1041 1035 21.19      
24 B2 851 846 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 17524.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 17427.8 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 BLYP/6-31G(2df,p)
ABC
0.30131 0.29690 0.14954

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.128
H2 0.000 0.000 2.141
C3 0.000 1.133 0.333
C4 0.000 -1.133 0.333
C5 0.000 0.716 -0.989
C6 0.000 -0.716 -0.989
H7 0.000 2.123 0.776
H8 0.000 -2.123 0.776
H9 0.000 1.365 -1.859
H10 0.000 -1.365 -1.859

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01231.38421.38422.23522.23522.15192.15193.28463.2846
H21.01232.13322.13323.21063.21062.52362.52364.22634.2263
C31.38422.13322.26641.38692.27311.08423.28612.20483.3238
C41.38422.13322.26642.27311.38693.28611.08423.32382.2048
C52.23523.21061.38692.27311.43122.25763.34271.08562.2550
C62.23523.21062.27311.38691.43123.34272.25762.25501.0856
H72.15192.52361.08423.28612.25763.34274.24582.74234.3714
H82.15192.52363.28611.08423.34272.25764.24584.37142.7423
H93.28464.22632.20483.32381.08562.25502.74234.37142.7296
H103.28464.22633.32382.20482.25501.08564.37142.74232.7296

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.529 N1 C3 H7 120.844
N1 C4 C6 107.529 N1 C4 H8 120.844
H2 N1 C3 125.052 H2 N1 C4 125.052
C3 N1 C4 109.896 C3 C5 C6 107.523
C3 C5 H9 125.748 C4 C6 C5 107.523
C4 C6 H10 125.748 C5 C3 H7 131.627
C5 C6 H10 126.729 C6 C4 H8 131.627
C6 C5 H9 126.729
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.175      
2 H 0.239      
3 C -0.081      
4 C -0.081      
5 C -0.108      
6 C -0.108      
7 H 0.091      
8 H 0.091      
9 H 0.066      
10 H 0.066      


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 1.857 1.857
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.530 0.000 0.000
y 0.000 -26.878 0.000
z 0.000 0.000 -23.655
Traceless
 xyz
x -7.263 0.000 0.000
y 0.000 1.215 0.000
z 0.000 0.000 6.048
Polar
3z2-r212.097
x2-y2-5.652
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.266 0.000 0.000
y 0.000 8.306 0.000
z 0.000 0.000 8.107


<r2> (average value of r2) Å2
<r2> 86.275
(<r2>)1/2 9.288