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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-209.981547
Energy at 298.15K 
HF Energy-209.981547
Nuclear repulsion energy160.479511
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/aug-cc-pVTZ
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 3587 3547 55.26      
2 A1 3197 3161 0.01      
3 A1 3177 3141 2.70      
4 A1 1456 1440 8.98      
5 A1 1385 1370 2.27      
6 A1 1150 1137 2.35      
7 A1 1066 1054 5.21      
8 A1 1008 997 28.68      
9 A1 873 863 0.10      
10 A2 849 840 0.00      
11 A2 661 653 0.00      
12 A2 612 605 0.00      
13 B1 803 794 1.92      
14 B1 705 697 157.85      
15 B1 627 620 0.07      
16 B1 482 477 62.65      
17 B2 3191 3155 2.21      
18 B2 3166 3130 2.14      
19 B2 1525 1508 1.04      
20 B2 1409 1393 4.99      
21 B2 1264 1250 1.54      
22 B2 1127 1114 3.10      
23 B2 1036 1024 26.33      
24 B2 849 840 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 17600.5 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 17403.4 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.30401 0.29927 0.15081

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.122
H2 0.000 0.000 2.134
C3 0.000 1.127 0.333
C4 0.000 -1.127 0.333
C5 0.000 0.712 -0.986
C6 0.000 -0.712 -0.986
H7 0.000 2.119 0.771
H8 0.000 -2.119 0.771
H9 0.000 1.364 -1.853
H10 0.000 -1.364 -1.853

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01121.37581.37582.22502.22502.14812.14813.27323.2732
H21.01122.12392.12393.19943.19942.51952.51954.21364.2136
C31.37582.12392.25411.38272.26311.08423.27552.19943.3143
C41.37582.12392.25412.26311.38273.27551.08423.31432.1994
C52.22503.19941.38272.26311.42402.25053.33161.08512.2496
C62.22503.19942.26311.38271.42403.33162.25052.24961.0851
H72.14812.51951.08423.27552.25053.33164.23822.73074.3606
H82.14812.51953.27551.08423.33162.25054.23824.36062.7307
H93.27324.21362.19943.31431.08512.24962.73074.36062.7271
H103.27324.21363.31432.19942.24961.08514.36062.73072.7271

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.526 N1 C3 H7 121.212
N1 C4 C6 107.526 N1 C4 H8 121.212
H2 N1 C3 124.995 H2 N1 C4 124.995
C3 N1 C4 110.011 C3 C5 C6 107.469
C3 C5 H9 125.627 C4 C6 C5 107.469
C4 C6 H10 125.627 C5 C3 H7 131.262
C5 C6 H10 126.904 C6 C4 H8 131.262
C6 C5 H9 126.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.150      
2 H 0.028      
3 C -0.581      
4 C -0.581      
5 C -0.397      
6 C -0.397      
7 H 0.530      
8 H 0.530      
9 H 0.360      
10 H 0.360      


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 1.857 1.857
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.139 0.000 0.000
y 0.000 -27.481 0.000
z 0.000 0.000 -24.183
Traceless
 xyz
x -8.307 0.000 0.000
y 0.000 1.680 0.000
z 0.000 0.000 6.627
Polar
3z2-r213.255
x2-y2-6.658
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.897 0.000 0.000
y 0.000 9.827 0.000
z 0.000 0.000 9.353


<r2> (average value of r2) Å2
<r2> 86.308
(<r2>)1/2 9.290