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 C5H5NO (4-Pyridinol)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-321.714220
Energy at 298.15K-321.720963
Nuclear repulsion energy272.493840
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3514 3391 21.51      
2 A' 3244 3130 2.16      
3 A' 3203 3091 9.73      
4 A' 3192 3080 27.36      
5 A' 3182 3070 15.19      
6 A' 1631 1573 88.73      
7 A' 1592 1536 80.95      
8 A' 1527 1474 11.99      
9 A' 1461 1410 30.03      
10 A' 1416 1366 17.15      
11 A' 1333 1286 4.80      
12 A' 1274 1229 68.95      
13 A' 1261 1217 7.60      
14 A' 1186 1145 132.38      
15 A' 1104 1066 30.57      
16 A' 1094 1056 1.18      
17 A' 993 958 11.65      
18 A' 845 815 48.87      
19 A' 701 677 0.29      
20 A' 542 523 0.19      
21 A' 397 383 11.72      
22 A" 1040 1004 0.27      
23 A" 1024 989 2.81      
24 A" 895 864 8.73      
25 A" 870 839 65.50      
26 A" 780 753 0.22      
27 A" 559 540 13.32      
28 A" 428 413 93.42      
29 A" 408 393 63.88      
30 A" 240 231 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 20468.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 19750.0 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/3-21G
ABC
0.19806 0.08672 0.06032

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.012 -1.886 0.000
C2 -1.139 -1.184 0.000
C3 -1.197 0.209 0.000
C4 0.000 0.932 0.000
C5 1.205 0.220 0.000
C6 1.161 -1.168 0.000
O7 0.071 2.309 0.000
H8 -2.059 -1.759 0.000
H9 -2.157 0.713 0.000
H10 2.142 0.760 0.000
H11 2.084 -1.736 0.000
H12 -0.841 2.701 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.34882.41852.81822.42031.35434.19522.07533.38533.39632.07754.6662
C21.34881.39342.40302.73252.30003.69611.08472.15243.81343.27063.8965
C32.41851.39341.39862.40222.73002.45312.14771.08443.38373.81412.5181
C42.81822.40301.39861.40002.39971.37843.38812.16782.14853.38581.9591
C52.42032.73252.40221.40001.38872.37713.81713.39801.08092.14433.2166
C61.35432.30002.73002.39971.38873.64373.27343.81372.16331.08434.3568
O74.19523.69612.45311.37842.37713.64374.59122.74012.58594.51820.9930
H82.07531.08472.14773.38813.81713.27344.59122.47354.89784.14354.6232
H93.38532.15241.08442.16783.39803.81372.74012.47354.29864.89742.3841
H103.39633.81343.38372.14851.08092.16332.58594.89784.29862.49663.5591
H112.07753.27063.81413.38582.14431.08434.51824.14354.89742.49665.3151
H124.66623.89652.51811.95913.21664.35680.99304.62322.38413.55915.3151

picture of 4-Pyridinol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 123.748 N1 C2 H8 116.617
N1 C6 C5 123.853 N1 C6 H11 116.408
C2 N1 C6 116.610 C2 C3 C4 118.789
C2 C3 H9 120.098 C3 C2 H8 119.635
C3 C4 C5 118.260 C3 C4 O7 124.102
C4 C3 H9 121.113 C4 C5 C6 118.740
C4 C5 H10 119.441 C4 O7 H12 110.351
C5 C4 O7 117.639 C5 C6 H11 119.739
C6 C5 H10 121.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.535      
2 C 0.068      
3 C -0.271      
4 C 0.332      
5 C -0.239      
6 C 0.061      
7 O -0.590      
8 H 0.211      
9 H 0.182      
10 H 0.208      
11 H 0.212      
12 H 0.360      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.518 2.461 0.000 2.891
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.816 -4.747 0.000
y -4.747 -42.894 0.000
z 0.000 0.000 -42.958
Traceless
 xyz
x 10.111 -4.747 0.000
y -4.747 -5.007 0.000
z 0.000 0.000 -5.103
Polar
3z2-r2-10.207
x2-y210.079
xy-4.747
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.867 -0.349 0.000
y -0.349 10.197 0.000
z 0.000 0.000 2.378


<r2> (average value of r2) Å2
<r2> 180.848
(<r2>)1/2 13.448