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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-41.070317
Energy at 298.15K-41.076436
Nuclear repulsion energy102.452023
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 B3LYP/CEP-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 3218 3117 7.09      
2 A1 3191 3090 24.94      
3 A1 3172 3072 0.73      
4 A1 1608 1557 18.97      
5 A1 1485 1438 8.18      
6 A1 1237 1198 2.54      
7 A1 1081 1047 6.61      
8 A1 1030 998 5.10      
9 A1 979 948 3.21      
10 A1 604 585 2.32      
11 A2 1030 997 0.00      
12 A2 931 902 0.00      
13 A2 388 376 0.00      
14 B1 1059 1025 0.02      
15 B1 986 955 0.28      
16 B1 774 750 80.96      
17 B1 738 715 48.33      
18 B1 418 405 4.73      
19 B2 3206 3104 66.08      
20 B2 3177 3077 19.08      
21 B2 1604 1554 4.65      
22 B2 1455 1409 33.56      
23 B2 1377 1334 0.18      
24 B2 1296 1255 0.10      
25 B2 1177 1140 1.18      
26 B2 1068 1035 0.17      
27 B2 654 633 1.29      

Unscaled Zero Point Vibrational Energy (zpe) 19472.0 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 18856.7 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 B3LYP/CEP-31G
ABC
0.19341 0.18635 0.09491

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.457
C2 0.000 0.000 -1.404
C3 0.000 1.168 0.746
C4 0.000 -1.168 0.746
C5 0.000 1.224 -0.679
C6 0.000 -1.224 -0.679
H7 0.000 0.000 -2.498
H8 0.000 2.087 1.340
H9 0.000 -2.087 1.340
H10 0.000 2.189 -1.191
H11 0.000 -2.189 -1.191

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.86121.36771.36772.46212.46213.95462.09072.09073.43553.4355
C22.86122.44692.44691.42281.42281.09343.44813.44812.19912.1991
C31.36772.44692.33651.42602.78463.44731.09473.30952.18923.8757
C41.36772.44692.33652.78461.42603.44733.30951.09473.87572.1892
C52.46211.42281.42602.78462.44842.19212.19623.87881.09203.4511
C62.46211.42282.78461.42602.44842.19213.87882.19623.45111.0920
H73.95461.09343.44733.44732.19212.19214.36884.36882.54912.5491
H82.09073.44811.09473.30952.19623.87884.36884.17482.53334.9692
H92.09073.44813.30951.09473.87882.19624.36884.17484.96922.5333
H103.43552.19912.18923.87571.09203.45112.54912.53334.96924.3776
H113.43552.19913.87572.18923.45111.09202.54914.96922.53334.3776

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.581 N1 C3 H8 115.775
N1 C4 C6 123.581 N1 C4 H9 115.775
C2 C5 C3 118.388 C2 C5 H10 121.412
C2 C6 C4 118.388 C2 C6 H11 121.412
C3 N1 C4 117.335 C3 C5 H10 120.200
C4 C6 H11 120.200 C5 C2 C6 118.727
C5 C2 H7 120.636 C5 C3 H8 120.645
C6 C2 H7 120.636 C6 C4 H9 120.645
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.311      
2 C -0.494      
3 C -0.603      
4 C -0.603      
5 C 0.025      
6 C 0.025      
7 H 0.279      
8 H 0.236      
9 H 0.236      
10 H 0.293      
11 H 0.293      


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 -2.747 2.747
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.181 0.000 0.000
y 0.000 -28.208 0.000
z 0.000 0.000 -37.132
Traceless
 xyz
x -5.511 0.000 0.000
y 0.000 9.449 0.000
z 0.000 0.000 -3.937
Polar
3z2-r2-7.875
x2-y2-9.973
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.717 0.000 0.000
y 0.000 10.142 0.000
z 0.000 0.000 9.531


<r2> (average value of r2) Å2
<r2> 102.064
(<r2>)1/2 10.103