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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: BLYP/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 BLYP/6-311G**
 hartrees
Energy at 0K-248.247668
Energy at 298.15K-248.253664
Nuclear repulsion energy204.662192
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 BLYP/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 3108 3096 12.55      
2 A1 3085 3073 5.00      
3 A1 3060 3048 10.73      
4 A1 1557 1551 20.64      
5 A1 1462 1456 2.51      
6 A1 1205 1200 3.09      
7 A1 1061 1057 3.03      
8 A1 1017 1013 8.14      
9 A1 973 970 5.42      
10 A1 601 598 4.16      
11 A2 961 957 0.00      
12 A2 868 865 0.00      
13 A2 364 363 0.00      
14 B1 976 972 0.01      
15 B1 921 917 0.04      
16 B1 738 735 5.93      
17 B1 697 694 60.49      
18 B1 405 403 3.24      
19 B2 3098 3086 38.93      
20 B2 3057 3045 35.24      
21 B2 1552 1546 6.18      
22 B2 1424 1419 24.16      
23 B2 1347 1341 0.04      
24 B2 1247 1242 0.65      
25 B2 1144 1140 1.75      
26 B2 1042 1037 0.07      
27 B2 652 649 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 18810.3 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 18736.9 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 BLYP/6-311G**
ABC
0.19907 0.19133 0.09756

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.431
C2 0.000 0.000 -1.393
C3 0.000 1.150 0.725
C4 0.000 -1.150 0.725
C5 0.000 1.205 -0.677
C6 0.000 -1.205 -0.677
H7 0.000 0.000 -2.484
H8 0.000 2.072 1.314
H9 0.000 -2.072 1.314
H10 0.000 2.168 -1.190
H11 0.000 -2.168 -1.190

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.82451.34901.34902.42832.42833.91562.07492.07493.40143.4014
C22.82452.41062.41061.40161.40161.09113.40913.40912.17702.1770
C31.34902.41062.29941.40372.74073.40961.09383.27472.16923.8306
C41.34902.41062.29942.74071.40373.40963.27471.09383.83062.1692
C52.42831.40161.40372.74072.40972.17212.17183.83411.09083.4112
C62.42831.40162.74071.40372.40972.17213.83412.17183.41121.0908
H73.91561.09113.40963.40962.17212.17214.32684.32682.52462.5246
H82.07493.40911.09383.27472.17183.83414.32684.14332.50614.9236
H92.07493.40913.27471.09383.83412.17184.32684.14334.92362.5061
H103.40142.17702.16923.83061.09083.41122.52462.50614.92364.3351
H113.40142.17703.83062.16923.41121.09082.52464.92362.50614.3351

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.794 N1 C3 H8 115.898
N1 C4 C6 123.794 N1 C4 H9 115.898
C2 C5 C3 118.477 C2 C5 H10 121.220
C2 C6 C4 118.477 C2 C6 H11 121.220
C3 N1 C4 116.915 C3 C5 H10 120.303
C4 C6 H11 120.303 C5 C2 C6 118.543
C5 C2 H7 120.728 C5 C3 H8 120.308
C6 C2 H7 120.728 C6 C4 H9 120.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.255      
2 C -0.009      
3 C 0.043      
4 C 0.043      
5 C -0.153      
6 C -0.153      
7 H 0.096      
8 H 0.103      
9 H 0.103      
10 H 0.091      
11 H 0.091      


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 -2.136 2.136
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.692 0.000 0.000
y 0.000 -29.888 0.000
z 0.000 0.000 -36.508
Traceless
 xyz
x -4.494 0.000 0.000
y 0.000 7.212 0.000
z 0.000 0.000 -2.718
Polar
3z2-r2-5.435
x2-y2-7.804
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.019 0.000 0.000
y 0.000 10.962 0.000
z 0.000 0.000 9.971


<r2> (average value of r2) Å2
<r2> 123.196
(<r2>)1/2 11.099