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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-247.988809
Energy at 298.15K-247.994927
HF Energy-247.988809
Nuclear repulsion energy206.404997
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/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 3243 3082 5.71      
2 A1 3218 3058 7.19      
3 A1 3197 3038 9.22      
4 A1 1671 1588 23.98      
5 A1 1540 1463 4.21      
6 A1 1262 1199 3.03      
7 A1 1111 1055 5.04      
8 A1 1062 1009 2.25      
9 A1 1019 969 8.58      
10 A1 611 581 4.04      
11 A2 1004 954 0.00      
12 A2 903 858 0.00      
13 A2 385 366 0.00      
14 B1 1018 967 0.00      
15 B1 964 916 0.01      
16 B1 768 730 7.90      
17 B1 721 685 54.89      
18 B1 420 399 3.35      
19 B2 3235 3074 25.55      
20 B2 3195 3036 30.17      
21 B2 1668 1585 10.25      
22 B2 1496 1422 27.67      
23 B2 1396 1327 0.00      
24 B2 1346 1279 0.01      
25 B2 1183 1124 1.75      
26 B2 1097 1043 0.05      
27 B2 670 637 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 19701.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 18722.7 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 PBE1PBE/6-31G*
ABC
0.20258 0.19462 0.09926

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.417
C2 0.000 0.000 -1.382
C3 0.000 1.137 0.720
C4 0.000 -1.137 0.720
C5 0.000 1.195 -0.671
C6 0.000 -1.195 -0.671
H7 0.000 0.000 -2.469
H8 0.000 2.055 1.308
H9 0.000 -2.055 1.308
H10 0.000 2.155 -1.180
H11 0.000 -2.155 -1.180

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.79861.33361.33362.40582.40583.88562.05782.05783.37453.3745
C22.79862.39032.39031.39081.39081.08703.38473.38472.16422.1642
C31.33362.39032.27481.39272.71633.38611.08933.24582.15593.8015
C41.33362.39032.27482.71631.39273.38613.24581.08933.80152.1559
C52.40581.39081.39272.71632.39082.15892.15733.80521.08623.3887
C62.40581.39082.71631.39272.39082.15893.80522.15733.38871.0862
H73.88561.08703.38613.38612.15892.15894.29944.29942.51072.5107
H82.05783.38471.08933.24582.15733.80524.29944.10982.48994.8899
H92.05783.38473.24581.08933.80522.15734.29944.10984.88992.4899
H103.37452.16422.15593.80151.08623.38872.51072.48994.88994.3096
H113.37452.16423.80152.15593.38871.08622.51074.88992.48994.3096

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.861 N1 C3 H8 115.911
N1 C4 C6 123.861 N1 C4 H9 115.911
C2 C5 C3 118.349 C2 C5 H10 121.307
C2 C6 C4 118.349 C2 C6 H11 121.307
C3 N1 C4 117.053 C3 C5 H10 120.344
C4 C6 H11 120.344 C5 C2 C6 118.527
C5 C2 H7 120.736 C5 C3 H8 120.228
C6 C2 H7 120.736 C6 C4 H9 120.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.421      
2 C -0.137      
3 C 0.019      
4 C 0.019      
5 C -0.188      
6 C -0.188      
7 H 0.183      
8 H 0.178      
9 H 0.178      
10 H 0.179      
11 H 0.179      


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 -2.217 2.217
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.069 0.000 0.000
y 0.000 -28.649 0.000
z 0.000 0.000 -35.386
Traceless
 xyz
x -5.052 0.000 0.000
y 0.000 7.579 0.000
z 0.000 0.000 -2.527
Polar
3z2-r2-5.054
x2-y2-8.420
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.097 0.000 0.000
y 0.000 10.037 0.000
z 0.000 0.000 9.170


<r2> (average value of r2) Å2
<r2> 120.893
(<r2>)1/2 10.995