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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-245.112305
Energy at 298.15K-245.118097
Nuclear repulsion energy203.201303
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 B1B95/STO-3G
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 3502 3092 8.32      
2 A1 3479 3072 1.00      
3 A1 3452 3048 2.37      
4 A1 1728 1526 10.05      
5 A1 1590 1404 18.13      
6 A1 1286 1136 0.00      
7 A1 1142 1008 0.06      
8 A1 1092 965 1.38      
9 A1 1027 907 1.13      
10 A1 627 554 1.45      
11 A2 1041 919 0.00      
12 A2 939 829 0.00      
13 A2 390 344 0.00      
14 B1 1068 943 0.00      
15 B1 985 870 0.05      
16 B1 767 677 0.00      
17 B1 756 667 27.19      
18 B1 415 366 2.10      
19 B2 3492 3083 11.97      
20 B2 3452 3048 1.10      
21 B2 1721 1520 0.05      
22 B2 1531 1352 33.47      
23 B2 1428 1261 0.75      
24 B2 1269 1121 0.03      
25 B2 1227 1083 0.12      
26 B2 1134 1001 1.56      
27 B2 669 591 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 20603.5 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 18192.9 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 B1B95/STO-3G
ABC
0.19840 0.18675 0.09620

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.476
C2 0.000 0.000 -1.403
C3 0.000 1.155 0.718
C4 0.000 -1.155 0.718
C5 0.000 1.202 -0.685
C6 0.000 -1.202 -0.685
H7 0.000 0.000 -2.500
H8 0.000 2.091 1.296
H9 0.000 -2.091 1.296
H10 0.000 2.168 -1.201
H11 0.000 -2.168 -1.201

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.87901.38121.38122.47242.47243.97562.09922.09923.44523.4452
C22.87902.41482.41481.40041.40041.09663.41453.41452.17762.1776
C31.38122.41482.30911.40332.74243.41841.10093.29712.17053.8373
C41.38122.41482.30912.74241.40333.41843.29711.10093.83732.1705
C52.47241.40041.40332.74242.40422.17702.17103.84321.09573.4098
C62.47241.40042.74241.40332.40422.17703.84322.17103.40981.0957
H73.97561.09663.41843.41842.17702.17704.33374.33372.52732.5273
H82.09923.41451.10093.29712.17103.84324.33374.18302.49854.9378
H92.09923.41453.29711.10093.84322.17104.33374.18304.93782.4985
H103.44522.17762.17053.83731.09573.40982.52732.49854.93784.3366
H113.44522.17763.83732.17053.40981.09572.52734.93782.49854.3366

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 125.227 N1 C3 H8 115.042
N1 C4 C6 125.227 N1 C4 H9 115.042
C2 C5 C3 118.925 C2 C5 H10 120.993
C2 C6 C4 118.925 C2 C6 H11 120.993
C3 N1 C4 113.428 C3 C5 H10 120.082
C4 C6 H11 120.082 C5 C2 C6 118.268
C5 C2 H7 120.866 C5 C3 H8 119.731
C6 C2 H7 120.866 C6 C4 H9 119.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.216      
2 C -0.073      
3 C 0.001      
4 C 0.001      
5 C -0.087      
6 C -0.087      
7 H 0.092      
8 H 0.092      
9 H 0.092      
10 H 0.092      
11 H 0.092      


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 -2.042 2.042
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.797 0.000 0.000
y 0.000 -28.107 0.000
z 0.000 0.000 -34.313
Traceless
 xyz
x -2.588 0.000 0.000
y 0.000 5.948 0.000
z 0.000 0.000 -3.361
Polar
3z2-r2-6.721
x2-y2-5.690
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.048 0.000 0.000
y 0.000 6.810 0.000
z 0.000 0.000 6.004


<r2> (average value of r2) Å2
<r2> 122.881
(<r2>)1/2 11.085