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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: M06-2X/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 M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-210.092196
Energy at 298.15K 
HF Energy-210.092196
Nuclear repulsion energy161.564051
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(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 3722 3545 78.85      
2 A1 3296 3139 1.07      
3 A1 3259 3104 0.71      
4 A1 1530 1457 9.55      
5 A1 1442 1374 4.54      
6 A1 1198 1141 4.22      
7 A1 1107 1054 9.14      
8 A1 1049 999 22.87      
9 A1 899 856 0.21      
10 A2 908 864 0.00      
11 A2 714 680 0.00      
12 A2 636 605 0.00      
13 B1 854 814 7.07      
14 B1 758 721 102.84      
15 B1 651 620 0.46      
16 B1 514 490 77.39      
17 B2 3282 3126 4.28      
18 B2 3255 3100 0.03      
19 B2 1606 1530 5.20      
20 B2 1487 1416 8.11      
21 B2 1309 1247 2.47      
22 B2 1170 1114 3.03      
23 B2 1083 1032 20.29      
24 B2 874 832 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 18300.9 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 17429.7 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(2df,p)
ABC
0.30790 0.30349 0.15284

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.115
H2 0.000 0.000 2.119
C3 0.000 1.118 0.330
C4 0.000 -1.118 0.330
C5 0.000 0.710 -0.978
C6 0.000 -0.710 -0.978
H7 0.000 2.103 0.768
H8 0.000 -2.103 0.768
H9 0.000 1.358 -1.840
H10 0.000 -1.358 -1.840

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00351.36631.36632.21082.21082.13132.13133.25243.2524
H21.00352.10942.10943.17753.17752.49942.49944.18534.1853
C31.36632.10942.23661.37082.24861.07733.25072.18363.2926
C41.36632.10942.23662.24861.37083.25071.07733.29262.1836
C52.21083.17751.37082.24861.42042.23353.31091.07792.2403
C62.21083.17752.24861.37081.42043.31092.23352.24031.0779
H72.13132.49941.07733.25072.23353.31094.20572.71234.3332
H82.13132.49943.25071.07733.31092.23354.20574.33322.7123
H93.25244.18532.18363.29261.07792.24032.71234.33322.7154
H103.25244.18533.29262.18362.24031.07794.33322.71232.7154

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.746 N1 C3 H7 120.972
N1 C4 C6 107.746 N1 C4 H8 120.972
H2 N1 C3 125.067 H2 N1 C4 125.067
C3 N1 C4 109.866 C3 C5 C6 107.321
C3 C5 H9 125.762 C4 C6 C5 107.321
C4 C6 H10 125.762 C5 C3 H7 131.282
C5 C6 H10 126.917 C6 C4 H8 131.282
C6 C5 H9 126.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.270      
2 H 0.287      
3 C -0.095      
4 C -0.095      
5 C -0.171      
6 C -0.171      
7 H 0.139      
8 H 0.139      
9 H 0.118      
10 H 0.118      


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 1.916 1.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.878 0.000 0.000
y 0.000 -26.310 0.000
z 0.000 0.000 -23.221
Traceless
 xyz
x -8.113 0.000 0.000
y 0.000 1.740 0.000
z 0.000 0.000 6.373
Polar
3z2-r212.746
x2-y2-6.568
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.263 0.000 0.000
y 0.000 7.924 0.000
z 0.000 0.000 7.845


<r2> (average value of r2) Å2
<r2> 84.691
(<r2>)1/2 9.203