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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-209.898801
Energy at 298.15K-209.904667
HF Energy-209.898801
Nuclear repulsion energy159.987796
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 PBEPBEultrafine/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 3589 3529 42.53      
2 A1 3218 3165 0.09      
3 A1 3197 3144 6.00      
4 A1 1480 1455 7.83      
5 A1 1411 1388 3.40      
6 A1 1159 1140 2.62      
7 A1 1081 1063 4.94      
8 A1 1022 1005 25.28      
9 A1 872 857 0.04      
10 A2 828 814 0.00      
11 A2 627 616 0.00      
12 A2 611 601 0.00      
13 B1 771 759 10.89      
14 B1 697 685 117.72      
15 B1 626 615 1.65      
16 B1 433 425 69.00      
17 B2 3213 3160 7.07      
18 B2 3186 3133 2.66      
19 B2 1552 1526 3.70      
20 B2 1443 1419 5.98      
21 B2 1275 1254 2.61      
22 B2 1145 1126 3.21      
23 B2 1050 1032 24.03      
24 B2 846 832 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 17663.3 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 17371.8 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 PBEPBEultrafine/6-31G*
ABC
0.30232 0.29733 0.14990

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.129
H2 0.000 0.000 2.144
C3 0.000 1.129 0.334
C4 0.000 -1.129 0.334
C5 0.000 0.717 -0.989
C6 0.000 -0.717 -0.989
H7 0.000 2.126 0.773
H8 0.000 -2.126 0.773
H9 0.000 1.369 -1.863
H10 0.000 -1.369 -1.863

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01501.38051.38052.23632.23632.15542.15543.28983.2898
H21.01502.13282.13283.21423.21422.52942.52944.23384.2338
C31.38052.13282.25761.38612.27141.08933.28412.20983.3264
C41.38052.13282.25762.27141.38613.28411.08933.32642.2098
C52.23633.21421.38612.27141.43442.25623.34501.08972.2616
C62.23633.21422.27141.38611.43443.34502.25622.26161.0897
H72.15542.52941.08933.28412.25623.34504.25172.74214.3773
H82.15542.52943.28411.08933.34502.25624.25174.37732.7421
H93.28984.23382.20983.32641.08972.26162.74214.37732.7381
H103.28984.23383.32642.20982.26161.08974.37732.74212.7381

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.869 N1 C3 H7 121.097
N1 C4 C6 107.869 N1 C4 H8 121.097
H2 N1 C3 125.145 H2 N1 C4 125.145
C3 N1 C4 109.710 C3 C5 C6 107.276
C3 C5 H9 125.981 C4 C6 C5 107.276
C4 C6 H10 125.981 C5 C3 H7 131.034
C5 C6 H10 126.743 C6 C4 H8 131.034
C6 C5 H9 126.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.531      
2 H 0.329      
3 C 0.013      
4 C 0.013      
5 C -0.186      
6 C -0.186      
7 H 0.146      
8 H 0.146      
9 H 0.129      
10 H 0.129      


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 1.941 1.941
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.971 0.000 0.000
y 0.000 -26.320 -0.012
z 0.000 -0.012 -23.005
Traceless
 xyz
x -8.308 0.000 0.000
y 0.000 1.668 -0.012
z 0.000 -0.012 6.640
Polar
3z2-r213.281
x2-y2-6.651
xy0.000
xz0.000
yz-0.012


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.702 0.000 0.000
y 0.000 8.033 -0.003
z 0.000 -0.003 7.824


<r2> (average value of r2) Å2
<r2> 86.001
(<r2>)1/2 9.274