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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B2PLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-210.004818
Energy at 298.15K 
HF Energy-209.760844
Nuclear repulsion energy160.870318
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 B2PLYP/6-311G**
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 3695 3695 66.87      
2 A1 3283 3283 0.14      
3 A1 3261 3261 4.35      
4 A1 1510 1510 7.38      
5 A1 1427 1427 4.34      
6 A1 1176 1176 2.30      
7 A1 1102 1102 8.31      
8 A1 1041 1041 28.84      
9 A1 901 901 0.18      
10 A2 853 853 0.00      
11 A2 679 679 0.00      
12 A2 620 620 0.00      
13 B1 820 820 2.67      
14 B1 727 727 154.52      
15 B1 640 640 0.11      
16 B1 456 456 73.47      
17 B2 3277 3277 4.70      
18 B2 3250 3250 2.97      
19 B2 1577 1577 4.30      
20 B2 1470 1470 6.93      
21 B2 1316 1316 1.10      
22 B2 1168 1168 2.27      
23 B2 1071 1071 25.61      
24 B2 880 880 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 18098.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18098.5 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 B2PLYP/6-311G**
ABC
0.30533 0.30062 0.15148

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.121
H2 0.000 0.000 2.126
C3 0.000 1.124 0.332
C4 0.000 -1.124 0.332
C5 0.000 0.712 -0.984
C6 0.000 -0.712 -0.984
H7 0.000 2.111 0.765
H8 0.000 -2.111 0.765
H9 0.000 1.360 -1.846
H10 0.000 -1.360 -1.846

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00521.37351.37352.22182.22182.14112.14113.26403.2640
H21.00522.11722.11723.19033.19032.51192.51194.19874.1987
C31.37352.11722.24871.37902.25901.07783.26452.19103.3040
C41.37352.11722.24872.25901.37903.26451.07783.30402.1910
C52.22183.19031.37902.25901.42372.24003.32101.07882.2440
C62.22183.19032.25901.37901.42373.32102.24002.24401.0788
H72.14112.51191.07783.26452.24003.32104.22262.71744.3438
H82.14112.51193.26451.07783.32102.24004.22264.34382.7174
H93.26404.19872.19103.30401.07882.24402.71744.34382.7196
H103.26404.19873.30402.19102.24401.07884.34382.71742.7196

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.649 N1 C3 H7 121.252
N1 C4 C6 107.649 N1 C4 H8 121.252
H2 N1 C3 125.054 H2 N1 C4 125.054
C3 N1 C4 109.891 C3 C5 C6 107.405
C3 C5 H9 125.677 C4 C6 C5 107.405
C4 C6 H10 125.677 C5 C3 H7 131.099
C5 C6 H10 126.918 C6 C4 H8 131.099
C6 C5 H9 126.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.360      
2 H 0.228      
3 C 0.055      
4 C 0.055      
5 C -0.185      
6 C -0.185      
7 H 0.105      
8 H 0.105      
9 H 0.092      
10 H 0.092      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.589 0.000 0.000
y 0.000 8.159 0.000
z 0.000 0.000 7.992


<r2> (average value of r2) Å2
<r2> 85.620
(<r2>)1/2 9.253