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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-247.985731
Energy at 298.15K-247.991685
Nuclear repulsion energy204.608253
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 PBEPBE/6-31+G**
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 3142 3106 8.73      
2 A1 3119 3084 4.14      
3 A1 3097 3062 5.10      
4 A1 1584 1566 20.34      
5 A1 1466 1449 1.51      
6 A1 1210 1196 3.57      
7 A1 1065 1053 6.24      
8 A1 1020 1008 2.78      
9 A1 980 969 5.76      
10 A1 591 584 3.10      
11 A2 957 946 0.00      
12 A2 861 852 0.00      
13 A2 358 354 0.00      
14 B1 970 959 0.01      
15 B1 919 909 0.05      
16 B1 732 724 8.26      
17 B1 690 682 69.59      
18 B1 398 393 3.46      
19 B2 3133 3098 28.78      
20 B2 3095 3060 29.57      
21 B2 1582 1564 9.19      
22 B2 1429 1413 22.34      
23 B2 1337 1322 0.06      
24 B2 1312 1297 0.37      
25 B2 1139 1126 1.70      
26 B2 1051 1039 0.00      
27 B2 646 639 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 18942.0 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 18726.1 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 PBEPBE/6-31+G**
ABC
0.19917 0.19112 0.09753

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.432
C2 0.000 0.000 -1.394
C3 0.000 1.148 0.726
C4 0.000 -1.148 0.726
C5 0.000 1.205 -0.677
C6 0.000 -1.205 -0.677
H7 0.000 0.000 -2.489
H8 0.000 2.072 1.317
H9 0.000 -2.072 1.317
H10 0.000 2.171 -1.190
H11 0.000 -2.171 -1.190

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.82581.34791.34792.42892.42893.92042.07542.07543.40443.4044
C22.82582.41072.41071.40191.40191.09463.41223.41222.18082.1808
C31.34792.41072.29641.40412.73963.41321.09703.27432.17213.8328
C41.34792.41072.29642.73961.40413.41323.27431.09703.83282.1721
C52.42891.40191.40412.73962.40982.17552.17463.83621.09413.4149
C62.42891.40192.73961.40412.40982.17553.83622.17463.41491.0941
H73.92041.09463.41323.41322.17552.17554.33314.33312.52982.5298
H82.07543.41221.09703.27432.17463.83624.33314.14452.50914.9289
H92.07543.41223.27431.09703.83622.17464.33314.14454.92892.5091
H103.40442.18082.17213.83281.09413.41492.52982.50914.92894.3426
H113.40442.18083.83282.17213.41491.09412.52984.92892.50914.3426

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.901 N1 C3 H8 115.803
N1 C4 C6 123.901 N1 C4 H9 115.803
C2 C5 C3 118.433 C2 C5 H10 121.291
C2 C6 C4 118.433 C2 C6 H11 121.291
C3 N1 C4 116.824 C3 C5 H10 120.275
C4 C6 H11 120.275 C5 C2 C6 118.507
C5 C2 H7 120.747 C5 C3 H8 120.295
C6 C2 H7 120.747 C6 C4 H9 120.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.096      
2 C -0.386      
3 C -0.356      
4 C -0.356      
5 C 0.228      
6 C 0.228      
7 H 0.152      
8 H 0.145      
9 H 0.145      
10 H 0.148      
11 H 0.148      


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 -2.336 2.336
CHELPG        
AIM        
ESP        


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 5.554 0.000 0.000
y 0.000 11.489 0.000
z 0.000 0.000 10.873


<r2> (average value of r2) Å2
<r2> 123.413
(<r2>)1/2 11.109