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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-248.026911
Energy at 298.15K-248.032897
Nuclear repulsion energy205.166844
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 PBEPBE/6-311G**
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 3125 3097 9.10      
2 A1 3102 3074 3.88      
3 A1 3074 3046 8.35      
4 A1 1580 1565 20.95      
5 A1 1462 1449 3.09      
6 A1 1207 1196 3.15      
7 A1 1064 1055 5.24      
8 A1 1021 1012 4.39      
9 A1 980 971 7.46      
10 A1 594 588 3.94      
11 A2 961 952 0.00      
12 A2 868 860 0.00      
13 A2 358 355 0.00      
14 B1 975 966 0.01      
15 B1 921 912 0.05      
16 B1 739 733 4.77      
17 B1 695 689 65.73      
18 B1 400 397 3.08      
19 B2 3116 3088 29.24      
20 B2 3071 3043 32.65      
21 B2 1576 1562 7.99      
22 B2 1426 1413 24.27      
23 B2 1334 1322 0.01      
24 B2 1295 1283 0.52      
25 B2 1138 1127 1.63      
26 B2 1049 1039 0.00      
27 B2 648 642 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 18889.5 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 18717.6 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 PBEPBE/6-311G**
ABC
0.20027 0.19221 0.09808

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.428
C2 0.000 0.000 -1.390
C3 0.000 1.145 0.724
C4 0.000 -1.145 0.724
C5 0.000 1.201 -0.675
C6 0.000 -1.201 -0.675
H7 0.000 0.000 -2.483
H8 0.000 2.068 1.313
H9 0.000 -2.068 1.313
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
N12.81751.34391.34392.42192.42193.91032.07152.07153.39633.3963
C22.81752.40362.40361.39791.39791.09293.40393.40392.17532.1753
C31.34392.40362.28951.40012.73163.40461.09593.26682.16773.8232
C41.34392.40362.28952.73161.40013.40463.26681.09593.82322.1677
C52.42191.39791.40012.73162.40292.17042.16953.82711.09253.4063
C62.42191.39792.73161.40012.40292.17043.82712.16953.40631.0925
H73.91031.09293.40463.40462.17042.17044.32314.32312.52322.5232
H82.07153.40391.09593.26682.16953.82714.32314.13672.50384.9182
H92.07153.40393.26681.09593.82712.16954.32314.13674.91822.5038
H103.39632.17532.16773.82321.09253.40632.52322.50384.91824.3319
H113.39632.17533.82322.16773.40631.09252.52324.91822.50384.3319

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.910 N1 C3 H8 115.847
N1 C4 C6 123.910 N1 C4 H9 115.847
C2 C5 C3 118.422 C2 C5 H10 121.242
C2 C6 C4 118.422 C2 C6 H11 121.242
C3 N1 C4 116.823 C3 C5 H10 120.335
C4 C6 H11 120.335 C5 C2 C6 118.513
C5 C2 H7 120.744 C5 C3 H8 120.243
C6 C2 H7 120.744 C6 C4 H9 120.243
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.282      
2 C -0.006      
3 C 0.054      
4 C 0.054      
5 C -0.183      
6 C -0.183      
7 H 0.107      
8 H 0.116      
9 H 0.116      
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 -2.135 2.135
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.643 0.000 0.000
y 0.000 -29.444 0.000
z 0.000 0.000 -36.059
Traceless
 xyz
x -4.892 0.000 0.000
y 0.000 7.407 0.000
z 0.000 0.000 -2.515
Polar
3z2-r2-5.030
x2-y2-8.199
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.032 0.000 0.000
y 0.000 10.888 0.000
z 0.000 0.000 9.922


<r2> (average value of r2) Å2
<r2> 122.512
(<r2>)1/2 11.069