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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: B3LYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-248.300616
Energy at 298.15K-248.306755
Nuclear repulsion energy206.320501
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 B3LYP/6-31G(2df,p)
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 3203 3091 7.57      
2 A1 3178 3067 5.77      
3 A1 3153 3043 8.57      
4 A1 1625 1568 24.04      
5 A1 1516 1463 3.68      
6 A1 1247 1203 2.45      
7 A1 1096 1058 2.33      
8 A1 1049 1012 6.02      
9 A1 1010 974 7.25      
10 A1 611 590 4.83      
11 A2 1003 968 0.00      
12 A2 906 874 0.00      
13 A2 387 373 0.00      
14 B1 1017 981 0.00      
15 B1 967 933 0.03      
16 B1 774 747 5.41      
17 B1 727 701 41.04      
18 B1 421 407 3.32      
19 B2 3194 3082 26.96      
20 B2 3150 3040 29.95      
21 B2 1621 1564 8.69      
22 B2 1473 1421 26.61      
23 B2 1384 1336 0.04      
24 B2 1295 1250 0.01      
25 B2 1172 1131 1.82      
26 B2 1079 1041 0.28      
27 B2 666 643 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 19461.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 18780.6 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 B3LYP/6-31G(2df,p)
ABC
0.20226 0.19455 0.09917

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

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 1.140 0.720
C4 0.000 -1.140 0.720
C5 0.000 1.196 -0.671
C6 0.000 -1.196 -0.671
H7 0.000 0.000 -2.468
H8 0.000 2.057 1.305
H9 0.000 -2.057 1.305
H10 0.000 2.154 -1.179
H11 0.000 -2.154 -1.179

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.79991.33581.33582.40672.40673.88502.05992.05993.37373.3737
C22.79992.39172.39171.39111.39111.08523.38423.38422.16312.1631
C31.33582.39172.27901.39282.71843.38551.08783.24942.15353.8018
C41.33582.39172.27902.71841.39283.38553.24941.08783.80182.1535
C52.40671.39111.39282.71842.39122.15782.15583.80581.08443.3875
C62.40671.39112.71841.39282.39122.15783.80582.15583.38751.0844
H73.88501.08523.38553.38552.15782.15784.29684.29682.50942.5094
H82.05993.38421.08783.24942.15583.80584.29684.11382.48634.8888
H92.05993.38423.24941.08783.80582.15584.29684.11384.88882.4863
H103.37372.16312.15353.80181.08443.38752.50942.48634.88884.3072
H113.37372.16313.80182.15353.38751.08442.50944.88882.48634.3072

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.761 N1 C3 H8 116.039
N1 C4 C6 123.761 N1 C4 H9 116.039
C2 C5 C3 118.437 C2 C5 H10 121.313
C2 C6 C4 118.437 C2 C6 H11 121.313
C3 N1 C4 117.092 C3 C5 H10 120.250
C4 C6 H11 120.250 C5 C2 C6 118.512
C5 C2 H7 120.744 C5 C3 H8 120.200
C6 C2 H7 120.744 C6 C4 H9 120.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.252      
2 C -0.078      
3 C 0.013      
4 C 0.013      
5 C -0.112      
6 C -0.112      
7 H 0.108      
8 H 0.108      
9 H 0.108      
10 H 0.102      
11 H 0.102      


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 -2.111 2.111
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.579 0.000 0.000
y 0.000 -29.282 0.000
z 0.000 0.000 -35.657
Traceless
 xyz
x -4.109 0.000 0.000
y 0.000 6.836 0.000
z 0.000 0.000 -2.727
Polar
3z2-r2-5.453
x2-y2-7.297
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.768 0.000 0.000
y 0.000 10.356 0.000
z 0.000 0.000 9.455


<r2> (average value of r2) Å2
<r2> 121.050
(<r2>)1/2 11.002