return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H5N (Pyridine)

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-248.135666
Energy at 298.15K-248.141649
HF Energy-248.135666
Nuclear repulsion energy204.854292
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 B97D3/6-31+G**
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 3155 3101 13.41      
2 A1 3132 3078 6.78      
3 A1 3112 3058 7.87      
4 A1 1589 1562 21.19      
5 A1 1480 1454 1.06      
6 A1 1219 1198 3.84      
7 A1 1072 1054 4.83      
8 A1 1027 1010 4.55      
9 A1 985 968 5.12      
10 A1 601 591 3.25      
11 A2 961 944 0.00      
12 A2 864 849 0.00      
13 A2 362 355 0.00      
14 B1 974 957 0.00      
15 B1 923 907 0.04      
16 B1 734 721 8.28      
17 B1 691 679 69.04      
18 B1 401 394 3.55      
19 B2 3146 3092 43.35      
20 B2 3110 3057 34.54      
21 B2 1584 1557 9.35      
22 B2 1441 1416 22.77      
23 B2 1355 1332 0.01      
24 B2 1299 1276 0.40      
25 B2 1152 1133 1.90      
26 B2 1056 1037 0.02      
27 B2 654 643 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 19038.6 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 18711.2 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 B97D3/6-31+G**
ABC
0.19951 0.19159 0.09774

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.429
C2 0.000 0.000 -1.393
C3 0.000 1.148 0.725
C4 0.000 -1.148 0.725
C5 0.000 1.204 -0.677
C6 0.000 -1.204 -0.677
H7 0.000 0.000 -2.483
H8 0.000 2.068 1.314
H9 0.000 -2.068 1.314
H10 0.000 2.166 -1.188
H11 0.000 -2.166 -1.188

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.82241.34671.34672.42602.42603.91252.07112.07113.39783.3978
C22.82242.40922.40921.40101.40101.09013.40653.40652.17592.1759
C31.34672.40922.29571.40302.73803.40741.09233.26922.16763.8269
C41.34672.40922.29572.73801.40303.40743.26921.09233.82692.1676
C52.42601.40101.40302.73802.40812.17092.17013.83001.08973.4089
C62.42601.40102.73801.40302.40812.17093.83002.17013.40891.0897
H73.91251.09013.40743.40742.17092.17094.32374.32372.52372.5237
H82.07113.40651.09233.26922.17013.83004.32374.13582.50424.9183
H92.07113.40653.26921.09233.83002.17014.32374.13584.91832.5042
H103.39782.17592.16763.82691.08973.40892.52372.50424.91834.3326
H113.39782.17593.82692.16763.40891.08972.52374.91832.50424.3326

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.774 N1 C3 H8 115.862
N1 C4 C6 123.774 N1 C4 H9 115.862
C2 C5 C3 118.470 C2 C5 H10 121.263
C2 C6 C4 118.470 C2 C6 H11 121.263
C3 N1 C4 117.011 C3 C5 H10 120.266
C4 C6 H11 120.266 C5 C2 C6 118.500
C5 C2 H7 120.750 C5 C3 H8 120.364
C6 C2 H7 120.750 C6 C4 H9 120.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.130      
2 C -0.346      
3 C -0.293      
4 C -0.293      
5 C 0.181      
6 C 0.181      
7 H 0.145      
8 H 0.136      
9 H 0.136      
10 H 0.141      
11 H 0.141      


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 -2.345 2.345
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.070 0.000 0.000
y 0.000 -29.582 0.000
z 0.000 0.000 -36.862
Traceless
 xyz
x -4.848 0.000 0.000
y 0.000 7.885 0.000
z 0.000 0.000 -3.036
Polar
3z2-r2-6.073
x2-y2-8.489
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.562 0.000 0.000
y 0.000 11.419 0.000
z 0.000 0.000 10.821


<r2> (average value of r2) Å2
<r2> 123.100
(<r2>)1/2 11.095