return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H5N (Pyridine)

using model chemistry: wB97X-D/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 wB97X-D/6-31+G**
 hartrees
Energy at 0K-248.210717
Energy at 298.15K-248.216866
HF Energy-248.210717
Nuclear repulsion energy206.280695
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 wB97X-D/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 3252 3096 6.40      
2 A1 3226 3072 5.90      
3 A1 3201 3048 4.89      
4 A1 1670 1590 26.15      
5 A1 1533 1460 2.33      
6 A1 1257 1197 4.26      
7 A1 1110 1057 6.90      
8 A1 1058 1007 3.12      
9 A1 1025 976 5.97      
10 A1 618 588 3.53      
11 A2 1021 973 0.00      
12 A2 901 858 0.00      
13 A2 388 369 0.00      
14 B1 1023 974 0.01      
15 B1 972 926 0.11      
16 B1 765 728 8.91      
17 B1 717 683 77.19      
18 B1 420 400 3.79      
19 B2 3244 3089 22.08      
20 B2 3199 3046 28.37      
21 B2 1664 1585 13.29      
22 B2 1492 1420 26.50      
23 B2 1390 1323 0.08      
24 B2 1313 1250 0.08      
25 B2 1179 1123 3.10      
26 B2 1093 1041 0.03      
27 B2 672 640 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 19700.6 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 18760.9 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 wB97X-D/6-31+G**
ABC
0.20212 0.19454 0.09913

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.418
C2 0.000 0.000 -1.383
C3 0.000 1.139 0.720
C4 0.000 -1.139 0.720
C5 0.000 1.195 -0.671
C6 0.000 -1.195 -0.671
H7 0.000 0.000 -2.468
H8 0.000 2.054 1.307
H9 0.000 -2.054 1.307
H10 0.000 2.154 -1.179
H11 0.000 -2.154 -1.179

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.80121.33631.33632.40742.40743.88662.05702.05703.37413.3741
C22.80122.39162.39161.39091.39091.08543.38443.38442.16342.1634
C31.33632.39162.27851.39252.71763.38571.08693.24672.15303.8013
C41.33632.39162.27852.71761.39253.38573.24671.08693.80132.1530
C52.40741.39091.39252.71762.39032.15802.15683.80401.08473.3871
C62.40741.39092.71761.39252.39032.15803.80402.15683.38711.0847
H73.88661.08543.38573.38572.15802.15804.29784.29782.51022.5102
H82.05703.38441.08693.24672.15683.80404.29784.10792.48804.8872
H92.05703.38443.24671.08693.80402.15684.29784.10794.88722.4880
H103.37412.16342.15303.80131.08473.38712.51022.48804.88724.3075
H113.37412.16343.80132.15303.38711.08472.51024.88722.48804.3075

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.810 N1 C3 H8 115.798
N1 C4 C6 123.810 N1 C4 H9 115.798
C2 C5 C3 118.462 C2 C5 H10 121.335
C2 C6 C4 118.462 C2 C6 H11 121.335
C3 N1 C4 116.982 C3 C5 H10 120.203
C4 C6 H11 120.203 C5 C2 C6 118.473
C5 C2 H7 120.763 C5 C3 H8 120.391
C6 C2 H7 120.763 C6 C4 H9 120.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.166      
2 C -0.347      
3 C -0.260      
4 C -0.260      
5 C 0.117      
6 C 0.117      
7 H 0.166      
8 H 0.153      
9 H 0.153      
10 H 0.163      
11 H 0.163      


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 -2.410 2.410
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.091 0.000 0.000
y 0.000 -29.007 0.000
z 0.000 0.000 -36.543
Traceless
 xyz
x -5.316 0.000 0.000
y 0.000 8.310 0.000
z 0.000 0.000 -2.994
Polar
3z2-r2-5.988
x2-y2-9.084
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.385 0.000 0.000
y 0.000 10.854 0.000
z 0.000 0.000 10.311


<r2> (average value of r2) Å2
<r2> 121.529
(<r2>)1/2 11.024