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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-248.009945
Energy at 298.15K-248.016040
HF Energy-247.746942
Nuclear repulsion energy205.835764
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 B2PLYP/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 3243 3078 6.67      
2 A1 3220 3056 8.92      
3 A1 3203 3040 9.13      
4 A1 1652 1568 21.69      
5 A1 1538 1460 3.84      
6 A1 1262 1198 2.49      
7 A1 1107 1051 3.34      
8 A1 1056 1002 4.75      
9 A1 1014 962 6.86      
10 A1 615 583 4.24      
11 A2 987 937 0.00      
12 A2 898 852 0.00      
13 A2 385 365 0.00      
14 B1 987 937 0.02      
15 B1 954 905 0.00      
16 B1 756 717 17.94      
17 B1 713 677 39.41      
18 B1 418 396 3.38      
19 B2 3235 3071 30.52      
20 B2 3201 3039 28.00      
21 B2 1646 1562 6.92      
22 B2 1495 1419 26.84      
23 B2 1408 1336 0.02      
24 B2 1331 1263 0.10      
25 B2 1194 1133 1.72      
26 B2 1093 1038 0.30      
27 B2 671 637 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 19639.6 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 18641.9 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 B2PLYP/6-31G*
ABC
0.20138 0.19350 0.09868

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/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 -1.388
C3 0.000 1.143 0.726
C4 0.000 -1.143 0.726
C5 0.000 1.197 -0.673
C6 0.000 -1.197 -0.673
H7 0.000 0.000 -2.469
H8 0.000 2.056 1.307
H9 0.000 -2.056 1.307
H10 0.000 2.149 -1.187
H11 0.000 -2.149 -1.187

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.80561.33571.33572.40882.40883.88642.05862.05863.37663.3766
C22.80562.40352.40351.39481.39481.08083.38983.38982.15862.1586
C31.33572.40352.28571.40002.72643.39341.08203.25082.16153.8075
C41.33572.40352.28572.72641.40003.39343.25081.08203.80752.1615
C52.40881.39481.40002.72642.39462.15872.15803.80811.08183.3857
C62.40881.39482.72641.40002.39462.15873.80812.15803.38571.0818
H73.88641.08083.39343.39342.15872.15874.29944.29942.50252.5025
H82.05863.38981.08203.25082.15803.80814.29944.11122.49584.8888
H92.05863.38983.25081.08203.80812.15804.29944.11124.88882.4958
H103.37662.15862.16153.80751.08183.38572.50252.49584.88884.2983
H113.37662.15863.80752.16153.38571.08182.50254.88882.49584.2983

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.395 N1 C3 H8 116.353
N1 C4 C6 123.395 N1 C4 H9 116.353
C2 C5 C3 118.633 C2 C5 H10 120.765
C2 C6 C4 118.633 C2 C6 H11 120.765
C3 N1 C4 117.665 C3 C5 H10 120.602
C4 C6 H11 120.602 C5 C2 C6 118.279
C5 C2 H7 120.861 C5 C3 H8 120.252
C6 C2 H7 120.861 C6 C4 H9 120.252
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.455      
2 C -0.124      
3 C 0.048      
4 C 0.048      
5 C -0.185      
6 C -0.185      
7 H 0.175      
8 H 0.169      
9 H 0.169      
10 H 0.170      
11 H 0.170      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.042 0.000 0.000
y 0.000 10.033 0.000
z 0.000 0.000 9.156


<r2> (average value of r2) Å2
<r2> 121.634
(<r2>)1/2 11.029