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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: M06-2X/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 M06-2X/6-31G**
 hartrees
Energy at 0K-210.080762
Energy at 298.15K 
HF Energy-210.080762
Nuclear repulsion energy161.258860
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 M06-2X/6-31G**
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 3725 3540 77.07      
2 A1 3303 3140 1.17      
3 A1 3273 3111 1.26      
4 A1 1539 1463 11.82      
5 A1 1461 1388 4.71      
6 A1 1203 1143 4.62      
7 A1 1108 1053 9.86      
8 A1 1052 1000 24.48      
9 A1 900 855 0.31      
10 A2 913 867 0.00      
11 A2 707 672 0.00      
12 A2 634 603 0.00      
13 B1 858 815 5.68      
14 B1 750 713 115.52      
15 B1 649 617 0.32      
16 B1 498 473 92.30      
17 B2 3291 3128 5.29      
18 B2 3269 3107 0.06      
19 B2 1620 1540 5.00      
20 B2 1500 1425 9.09      
21 B2 1316 1251 2.57      
22 B2 1171 1113 3.57      
23 B2 1086 1032 21.46      
24 B2 875 832 1.47      

Unscaled Zero Point Vibrational Energy (zpe) 18349.2 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 17439.1 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 M06-2X/6-31G**
ABC
0.30676 0.30233 0.15227

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.118
H2 0.000 0.000 2.124
C3 0.000 1.121 0.331
C4 0.000 -1.121 0.331
C5 0.000 0.711 -0.980
C6 0.000 -0.711 -0.980
H7 0.000 2.108 0.766
H8 0.000 -2.108 0.766
H9 0.000 1.360 -1.843
H10 0.000 -1.360 -1.843

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00571.36941.36942.21522.21522.13722.13723.25853.2585
H21.00572.11422.11423.18423.18422.50742.50744.19354.1935
C31.36942.11422.24111.37342.25241.07903.25772.18723.2983
C41.36942.11422.24112.25241.37343.25771.07903.29832.1872
C52.21523.18421.37342.25241.42212.23613.31601.07982.2435
C62.21523.18422.25241.37341.42213.31602.23612.24351.0798
H72.13722.50741.07903.25772.23613.31604.21602.71444.3397
H82.13722.50743.25771.07903.31602.23614.21604.33972.7144
H93.25854.19352.18723.29831.07982.24352.71444.33972.7195
H103.25854.19353.29832.18722.24351.07984.33972.71442.7195

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.735 N1 C3 H7 121.135
N1 C4 C6 107.735 N1 C4 H8 121.135
H2 N1 C3 125.084 H2 N1 C4 125.084
C3 N1 C4 109.833 C3 C5 C6 107.348
C3 C5 H9 125.726 C4 C6 C5 107.348
C4 C6 H10 125.726 C5 C3 H7 131.130
C5 C6 H10 126.926 C6 C4 H8 131.130
C6 C5 H9 126.926
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.542      
2 H 0.292      
3 C 0.051      
4 C 0.051      
5 C -0.170      
6 C -0.170      
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 1.949 1.949
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.159 0.000 0.000
y 0.000 -26.208 0.000
z 0.000 0.000 -23.114
Traceless
 xyz
x -8.498 0.000 0.000
y 0.000 1.928 0.000
z 0.000 0.000 6.570
Polar
3z2-r213.140
x2-y2-6.951
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.709 0.000 0.000
y 0.000 7.734 0.000
z 0.000 0.000 7.685


<r2> (average value of r2) Å2
<r2> 84.960
(<r2>)1/2 9.217