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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-209.995184
Energy at 298.15K 
HF Energy-209.995184
Nuclear repulsion energy161.735333
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/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 3713 3568 68.64      
2 A1 3284 3155 0.08      
3 A1 3263 3135 2.57      
4 A1 1519 1460 7.97      
5 A1 1441 1385 3.15      
6 A1 1194 1148 3.03      
7 A1 1102 1059 7.84      
8 A1 1044 1003 28.40      
9 A1 902 867 0.19      
10 A2 891 856 0.00      
11 A2 703 676 0.00      
12 A2 635 610 0.00      
13 B1 846 813 1.08      
14 B1 739 710 147.39      
15 B1 650 625 0.00      
16 B1 501 481 69.49      
17 B2 3277 3149 2.62      
18 B2 3252 3125 2.38      
19 B2 1591 1529 3.15      
20 B2 1479 1421 4.99      
21 B2 1315 1263 1.77      
22 B2 1168 1122 3.55      
23 B2 1075 1033 25.69      
24 B2 878 844 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 18230.8 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 17519.8 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 PBE1PBE/cc-pVTZ
ABC
0.30874 0.30402 0.15318

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.114
H2 0.000 0.000 2.116
C3 0.000 1.117 0.331
C4 0.000 -1.117 0.331
C5 0.000 0.708 -0.978
C6 0.000 -0.708 -0.978
H7 0.000 2.104 0.764
H8 0.000 -2.104 0.764
H9 0.000 1.356 -1.839
H10 0.000 -1.356 -1.839

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00251.36371.36372.20812.20812.13242.13243.24963.2496
H21.00252.10552.10553.17393.17392.50072.50074.18154.1815
C31.36372.10552.23361.37112.24591.07743.24932.18373.2905
C41.36372.10552.23362.24591.37113.24931.07743.29052.1837
C52.20813.17391.37112.24591.41662.23153.30751.07812.2372
C62.20813.17392.24591.37111.41663.30752.23152.23721.0781
H72.13242.50071.07743.24932.23153.30754.20712.70834.3297
H82.13242.50073.24931.07743.30752.23154.20714.32972.7083
H93.24964.18152.18373.29051.07812.23722.70834.32972.7126
H103.24964.18153.29052.18372.23721.07814.32972.70832.7126

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.683 N1 C3 H7 121.308
N1 C4 C6 107.683 N1 C4 H8 121.308
H2 N1 C3 125.017 H2 N1 C4 125.017
C3 N1 C4 109.966 C3 C5 C6 107.334
C3 C5 H9 125.721 C4 C6 C5 107.334
C4 C6 H10 125.721 C5 C3 H7 131.009
C5 C6 H10 126.945 C6 C4 H8 131.009
C6 C5 H9 126.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.002      
2 H 0.152      
3 C -0.142      
4 C -0.142      
5 C -0.169      
6 C -0.169      
7 H 0.120      
8 H 0.120      
9 H 0.115      
10 H 0.115      


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 1.938 1.938
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.631 0.000 0.000
y 0.000 -26.716 0.000
z 0.000 0.000 -23.481
Traceless
 xyz
x -8.532 0.000 0.000
y 0.000 1.839 0.000
z 0.000 0.000 6.693
Polar
3z2-r213.385
x2-y2-6.914
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.368 0.000 0.000
y 0.000 8.581 0.000
z 0.000 0.000 8.333


<r2> (average value of r2) Å2
<r2> 84.849
(<r2>)1/2 9.211