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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBE1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-207.331665
Energy at 298.15K 
HF Energy-207.331665
Nuclear repulsion energy159.361176
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 PBE1PBE/STO-3G
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 3855 3400 64.50      
2 A1 3587 3164 3.17      
3 A1 3556 3137 20.61      
4 A1 1645 1451 7.46      
5 A1 1554 1371 11.69      
6 A1 1257 1109 4.86      
7 A1 1164 1027 3.15      
8 A1 1109 978 12.01      
9 A1 933 823 0.00      
10 A2 962 849 0.00      
11 A2 763 673 0.00      
12 A2 660 582 0.00      
13 B1 916 808 1.14      
14 B1 783 691 49.99      
15 B1 659 581 8.28      
16 B1 453 400 74.16      
17 B2 3573 3152 26.86      
18 B2 3545 3127 5.64      
19 B2 1732 1528 9.35      
20 B2 1607 1417 6.64      
21 B2 1385 1222 2.80      
22 B2 1210 1067 2.09      
23 B2 1144 1009 14.28      
24 B2 919 811 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 19484.6 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 17187.4 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 PBE1PBE/STO-3G
ABC
0.29879 0.29661 0.14885

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.135
H2 0.000 0.000 2.173
C3 0.000 1.140 0.326
C4 0.000 -1.140 0.326
C5 0.000 0.715 -0.986
C6 0.000 -0.715 -0.986
H7 0.000 2.138 0.767
H8 0.000 -2.138 0.767
H9 0.000 1.361 -1.863
H10 0.000 -1.361 -1.863

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.03831.39811.39812.23772.23772.16952.16953.29243.2924
H21.03832.17092.17093.23863.23862.55912.55914.25964.2596
C31.39812.17092.28051.37852.27191.09093.30782.20013.3236
C41.39812.17092.28052.27191.37853.30781.09093.32362.2001
C52.23773.23861.37852.27191.43012.25733.34821.08962.2536
C62.23773.23862.27191.37851.43013.34822.25732.25361.0896
H72.16952.55911.09093.30782.25733.34824.27612.74254.3769
H82.16952.55913.30781.09093.34822.25734.27614.37692.7425
H93.29244.25962.20013.32361.08962.25362.74254.37692.7212
H103.29244.25963.32362.20012.25361.08964.37692.74252.7212

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.393 N1 C3 H7 120.799
N1 C4 C6 107.393 N1 C4 H8 120.799
H2 N1 C3 125.358 H2 N1 C4 125.358
C3 N1 C4 109.284 C3 C5 C6 107.965
C3 C5 H9 125.701 C4 C6 C5 107.965
C4 C6 H10 125.701 C5 C3 H7 131.808
C5 C6 H10 126.335 C6 C4 H8 131.808
C6 C5 H9 126.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.260      
2 H 0.229      
3 C -0.028      
4 C -0.028      
5 C -0.122      
6 C -0.122      
7 H 0.087      
8 H 0.087      
9 H 0.079      
10 H 0.079      


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 1.977 1.977
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.775 0.000 0.000
y 0.000 -25.351 0.000
z 0.000 0.000 -22.274
Traceless
 xyz
x -5.963 0.000 0.000
y 0.000 0.674 0.000
z 0.000 0.000 5.289
Polar
3z2-r210.578
x2-y2-4.424
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.699 0.000 0.000
y 0.000 4.873 0.000
z 0.000 0.000 5.046


<r2> (average value of r2) Å2
<r2> 85.482
(<r2>)1/2 9.246