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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-210.226080
Energy at 298.15K-210.232154
HF Energy-210.226080
Nuclear repulsion energy160.958200
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 B3LYP/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 3675 3553 60.68      
2 A1 3262 3154 0.13      
3 A1 3240 3132 5.17      
4 A1 1501 1451 7.52      
5 A1 1418 1370 4.03      
6 A1 1174 1135 2.45      
7 A1 1093 1056 9.17      
8 A1 1034 1000 30.22      
9 A1 902 872 0.21      
10 A2 878 849 0.00      
11 A2 687 664 0.00      
12 A2 631 610 0.00      
13 B1 831 804 1.83      
14 B1 728 704 149.21      
15 B1 641 620 0.00      
16 B1 475 459 76.72      
17 B2 3256 3148 5.36      
18 B2 3229 3121 3.36      
19 B2 1577 1525 4.15      
20 B2 1456 1408 6.17      
21 B2 1309 1266 1.08      
22 B2 1159 1121 2.20      
23 B2 1067 1031 27.29      
24 B2 881 852 1.34      

Unscaled Zero Point Vibrational Energy (zpe) 18051.6 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 17452.3 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 B3LYP/6-311G**
ABC
0.30539 0.30128 0.15166

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 0.331
C4 0.000 -1.124 0.331
C5 0.000 0.712 -0.982
C6 0.000 -0.712 -0.982
H7 0.000 2.112 0.763
H8 0.000 -2.112 0.763
H9 0.000 1.358 -1.846
H10 0.000 -1.358 -1.846

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00561.37381.37382.21992.21992.14162.14163.26263.2626
H21.00562.11822.11823.18873.18872.51322.51324.19784.1978
C31.37382.11822.24831.37612.25721.07793.26452.18923.3017
C41.37382.11822.24832.25721.37613.26451.07793.30172.1892
C52.21993.18871.37612.25721.42382.23713.31931.07892.2433
C62.21993.18872.25721.37611.42383.31932.23712.24331.0789
H72.14162.51321.07793.26452.23713.31934.22312.71554.3413
H82.14162.51323.26451.07793.31932.23714.22314.34132.7155
H93.26264.19782.18923.30171.07892.24332.71554.34132.7168
H103.26264.19783.30172.18922.24331.07894.34132.71552.7168

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.654 N1 C3 H7 121.268
N1 C4 C6 107.654 N1 C4 H8 121.268
H2 N1 C3 125.086 H2 N1 C4 125.086
C3 N1 C4 109.828 C3 C5 C6 107.432
C3 C5 H9 125.754 C4 C6 C5 107.432
C4 C6 H10 125.754 C5 C3 H7 131.078
C5 C6 H10 126.814 C6 C4 H8 131.078
C6 C5 H9 126.814
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.327      
2 H 0.222      
3 C 0.043      
4 C 0.043      
5 C -0.175      
6 C -0.175      
7 H 0.099      
8 H 0.099      
9 H 0.086      
10 H 0.086      


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 1.942 1.942
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.696 0.000 0.000
y 0.000 -26.803 0.000
z 0.000 0.000 -23.634
Traceless
 xyz
x -8.477 0.000 0.000
y 0.000 1.862 0.000
z 0.000 0.000 6.615
Polar
3z2-r213.231
x2-y2-6.893
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.617 0.000 0.000
y 0.000 8.235 0.000
z 0.000 0.000 8.054


<r2> (average value of r2) Å2
<r2> 85.546
(<r2>)1/2 9.249