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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-248.009700
Energy at 298.15K-248.015819
Nuclear repulsion energy206.413619
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 HSEh1PBE/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 3084 6.48      
2 A1 3218 3060 7.22      
3 A1 3196 3039 10.04      
4 A1 1669 1587 24.05      
5 A1 1539 1464 4.04      
6 A1 1261 1200 3.02      
7 A1 1110 1056 4.80      
8 A1 1061 1009 2.43      
9 A1 1019 970 8.56      
10 A1 612 582 4.09      
11 A2 1003 954 0.00      
12 A2 903 859 0.00      
13 A2 385 366 0.00      
14 B1 1017 968 0.00      
15 B1 964 917 0.01      
16 B1 768 731 7.94      
17 B1 721 686 53.48      
18 B1 420 400 3.35      
19 B2 3235 3076 27.01      
20 B2 3193 3037 31.78      
21 B2 1666 1584 10.20      
22 B2 1496 1423 27.49      
23 B2 1397 1328 0.00      
24 B2 1345 1279 0.02      
25 B2 1183 1125 1.73      
26 B2 1097 1043 0.07      
27 B2 671 638 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 19696.3 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 18731.2 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 HSEh1PBE/6-31G*
ABC
0.20257 0.19466 0.09927

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.412
C2 0.000 0.000 -1.385
C3 0.000 1.138 0.725
C4 0.000 -1.138 0.725
C5 0.000 1.194 -0.671
C6 0.000 -1.194 -0.671
H7 0.000 0.000 -2.467
H8 0.000 2.052 1.307
H9 0.000 -2.052 1.307
H10 0.000 2.147 -1.185
H11 0.000 -2.147 -1.185

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.79691.32961.32962.40102.40103.87882.05432.05433.36983.3698
C22.79692.39692.39691.39111.39111.08193.38443.38442.15632.1563
C31.32962.39692.27631.39672.71783.38821.08333.24252.15993.8000
C41.32962.39692.27632.71781.39673.38823.24251.08333.80002.1599
C52.40101.39111.39672.71782.38802.15652.15583.80081.08293.3804
C62.40101.39112.71781.39672.38802.15653.80082.15583.38041.0829
H73.87881.08193.38823.38822.15652.15654.29534.29532.50052.5005
H82.05433.38441.08333.24252.15583.80084.29534.10332.49394.8825
H92.05433.38443.24251.08333.80082.15584.29534.10334.88252.4939
H103.36982.15632.15993.80001.08293.38042.50052.49394.88254.2941
H113.36982.15633.80002.15993.38041.08292.50054.88252.49394.2941

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.425 N1 C3 H8 116.355
N1 C4 C6 123.425 N1 C4 H9 116.355
C2 C5 C3 118.582 C2 C5 H10 120.777
C2 C6 C4 118.582 C2 C6 H11 120.777
C3 N1 C4 117.734 C3 C5 H10 120.641
C4 C6 H11 120.641 C5 C2 C6 118.251
C5 C2 H7 120.874 C5 C3 H8 120.220
C6 C2 H7 120.874 C6 C4 H9 120.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.418      
2 C -0.135      
3 C 0.020      
4 C 0.020      
5 C -0.182      
6 C -0.182      
7 H 0.180      
8 H 0.174      
9 H 0.174      
10 H 0.175      
11 H 0.175      


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 -2.215 2.215
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.035 0.000 0.000
y 0.000 -28.690 0.000
z 0.000 0.000 -35.409
Traceless
 xyz
x -4.985 0.000 0.000
y 0.000 7.532 0.000
z 0.000 0.000 -2.547
Polar
3z2-r2-5.094
x2-y2-8.345
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.094 0.000 0.000
y 0.000 10.053 0.000
z 0.000 0.000 9.179


<r2> (average value of r2) Å2
<r2> 120.890
(<r2>)1/2 10.995