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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-209.985144
Energy at 298.15K 
HF Energy-209.749442
Nuclear repulsion energy160.864259
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 3704 3704 51.71      
2 A1 3286 3286 0.18      
3 A1 3264 3264 7.55      
4 A1 1515 1515 6.54      
5 A1 1432 1432 4.56      
6 A1 1178 1178 2.01      
7 A1 1104 1104 8.26      
8 A1 1043 1043 30.12      
9 A1 903 903 0.22      
10 A2 829 829 0.00      
11 A2 658 658 0.00      
12 A2 620 620 0.00      
13 B1 796 796 6.65      
14 B1 716 716 168.55      
15 B1 639 639 0.01      
16 B1 440 440 79.81      
17 B2 3281 3281 8.67      
18 B2 3253 3253 3.53      
19 B2 1586 1586 5.61      
20 B2 1478 1478 7.57      
21 B2 1321 1321 1.04      
22 B2 1174 1174 2.33      
23 B2 1075 1075 26.87      
24 B2 882 882 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 18088.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18088.7 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 B2PLYP/6-311G*
ABC
0.30527 0.30064 0.15147

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 -0.983
C6 0.000 -0.712 -0.983
H7 0.000 2.111 0.766
H8 0.000 -2.111 0.766
H9 0.000 1.360 -1.847
H10 0.000 -1.360 -1.847

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00451.37371.37372.22182.22182.14102.14103.26463.2646
H21.00452.11692.11693.18963.18962.51112.51114.19864.1986
C31.37372.11692.24891.37872.25891.07823.26482.19143.3044
C41.37372.11692.24892.25891.37873.26481.07823.30442.1914
C52.22183.18961.37872.25891.42382.24063.32151.07942.2444
C62.22183.18962.25891.37871.42383.32152.24062.24441.0794
H72.14102.51111.07823.26482.24063.32154.22282.71894.3448
H82.14102.51113.26481.07823.32152.24064.22284.34482.7189
H93.26464.19862.19143.30441.07942.24442.71894.34482.7198
H103.26464.19863.30442.19142.24441.07944.34482.71892.7198

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.650 N1 C3 H7 121.189
N1 C4 C6 107.650 N1 C4 H8 121.189
H2 N1 C3 125.061 H2 N1 C4 125.061
C3 N1 C4 109.877 C3 C5 C6 107.412
C3 C5 H9 125.693 C4 C6 C5 107.412
C4 C6 H10 125.693 C5 C3 H7 131.161
C5 C6 H10 126.895 C6 C4 H8 131.161
C6 C5 H9 126.895
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 -0.495      
2 H 0.351      
3 C -0.048      
4 C -0.048      
5 C -0.283      
6 C -0.283      
7 H 0.211      
8 H 0.211      
9 H 0.193      
10 H 0.193      


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 2.008 2.008
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.112 0.000 0.000
y 0.000 -26.730 0.000
z 0.000 0.000 -23.426
Traceless
 xyz
x -9.034 0.000 0.000
y 0.000 2.039 0.000
z 0.000 0.000 6.995
Polar
3z2-r213.991
x2-y2-7.382
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.486 0.000 0.000
y 0.000 8.082 0.000
z 0.000 0.000 7.903


<r2> (average value of r2) Å2
<r2> 85.655
(<r2>)1/2 9.255