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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-248.153846
Energy at 298.15K-248.160066
Nuclear repulsion energy205.580003
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 mPW1PW91/6-31G
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 3266 3092 3.02      
2 A1 3242 3069 19.35      
3 A1 3230 3058 0.74      
4 A1 1657 1568 16.56      
5 A1 1539 1457 8.40      
6 A1 1274 1206 2.19      
7 A1 1120 1061 2.90      
8 A1 1070 1013 5.58      
9 A1 1019 965 5.74      
10 A1 630 597 3.86      
11 A2 1035 980 0.00      
12 A2 930 880 0.00      
13 A2 392 371 0.00      
14 B1 1057 1001 0.01      
15 B1 988 935 0.02      
16 B1 783 741 12.79      
17 B1 742 703 71.65      
18 B1 434 410 4.86      
19 B2 3256 3082 39.47      
20 B2 3232 3060 13.20      
21 B2 1653 1565 6.35      
22 B2 1505 1425 30.80      
23 B2 1422 1346 0.27      
24 B2 1335 1263 0.38      
25 B2 1219 1154 1.28      
26 B2 1106 1047 0.11      
27 B2 685 648 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 19910.7 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 18847.5 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 mPW1PW91/6-31G
ABC
0.19952 0.19425 0.09843

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

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 -1.383
C3 0.000 1.153 0.722
C4 0.000 -1.153 0.722
C5 0.000 1.201 -0.672
C6 0.000 -1.201 -0.672
H7 0.000 0.000 -2.466
H8 0.000 2.063 1.311
H9 0.000 -2.063 1.311
H10 0.000 2.155 -1.186
H11 0.000 -2.155 -1.186

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.79971.34671.34672.41022.41023.88362.06542.06543.37923.3792
C22.79972.39972.39971.39551.39551.08393.39283.39282.16392.1639
C31.34672.39972.30671.39502.73643.39041.08363.26962.15453.8188
C41.34672.39972.30672.73641.39503.39043.26961.08363.81882.1545
C52.41021.39551.39502.73642.40252.15912.16253.81941.08313.3952
C62.41021.39552.73641.39502.40252.15913.81942.16253.39521.0831
H73.88361.08393.39043.39042.15912.15914.30414.30412.50682.5068
H82.06543.39281.08363.26962.16253.81944.30414.12542.49864.9013
H92.06543.39283.26961.08363.81942.16254.30414.12544.90132.4986
H103.37922.16392.15453.81881.08313.39522.50682.49864.90134.3098
H113.37922.16393.81882.15453.39521.08312.50684.90132.49864.3098

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.053 N1 C3 H8 115.968
N1 C4 C6 123.053 N1 C4 H9 115.968
C2 C5 C3 118.625 C2 C5 H10 121.112
C2 C6 C4 118.625 C2 C6 H11 121.112
C3 N1 C4 117.830 C3 C5 H10 120.262
C4 C6 H11 120.262 C5 C2 C6 118.814
C5 C2 H7 120.593 C5 C3 H8 120.979
C6 C2 H7 120.593 C6 C4 H9 120.979
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.402      
2 C -0.154      
3 C -0.016      
4 C -0.016      
5 C -0.163      
6 C -0.163      
7 H 0.184      
8 H 0.185      
9 H 0.185      
10 H 0.180      
11 H 0.180      


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 -2.528 2.528
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.373 0.000 0.000
y 0.000 -28.530 0.000
z 0.000 0.000 -36.364
Traceless
 xyz
x -4.926 0.000 0.000
y 0.000 8.338 0.000
z 0.000 0.000 -3.412
Polar
3z2-r2-6.825
x2-y2-8.843
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.807 0.000 0.000
y 0.000 9.946 0.000
z 0.000 0.000 9.022


<r2> (average value of r2) Å2
<r2> 121.903
(<r2>)1/2 11.041