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All results from a given calculation for C5H5NO (2-Pyridinol)

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-323.180994
Energy at 298.15K-323.187702
HF Energy-322.859363
Nuclear repulsion energy275.230144
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 B2PLYP/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3709 3521 74.56      
2 A' 3258 3092 2.48      
3 A' 3250 3085 15.02      
4 A' 3226 3062 11.26      
5 A' 3213 3049 15.85      
6 A' 1677 1592 77.98      
7 A' 1652 1568 83.71      
8 A' 1538 1460 139.00      
9 A' 1514 1437 31.87      
10 A' 1397 1326 51.10      
11 A' 1358 1289 45.88      
12 A' 1343 1274 20.82      
13 A' 1227 1165 153.94      
14 A' 1188 1128 22.60      
15 A' 1124 1067 23.89      
16 A' 1076 1022 3.06      
17 A' 1011 960 7.75      
18 A' 868 824 11.64      
19 A' 642 609 2.90      
20 A' 568 539 0.67      
21 A' 419 398 17.02      
22 A" 976 926 0.09      
23 A" 963 914 0.54      
24 A" 872 828 0.83      
25 A" 784 744 57.05      
26 A" 738 700 3.11      
27 A" 568 539 59.78      
28 A" 503 477 70.79      
29 A" 420 399 0.20      
30 A" 218 207 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 20649.3 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 19600.3 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 B2PLYP/6-31G*
ABC
0.19403 0.09213 0.06247

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.182 0.302 0.000
C2 0.000 0.907 0.000
C3 1.230 0.224 0.000
C4 1.191 -1.162 0.000
C5 -0.048 -1.822 0.000
C6 -1.199 -1.044 0.000
O7 0.020 2.259 0.000
H8 2.159 0.783 0.000
H9 2.116 -1.731 0.000
H10 -0.111 -2.904 0.000
H11 -2.185 -1.505 0.000
H12 -0.908 2.544 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.32812.41342.78832.40731.34542.29703.37503.87433.37972.06622.2587
C21.32811.40722.38772.72972.29021.35182.16223.38233.81293.25451.8717
C32.41341.40721.38672.41262.74052.36741.08352.14663.40353.82753.1551
C42.78832.38771.38671.40412.39363.61592.17211.08602.17503.39314.2593
C52.40732.72972.41261.40411.38964.08153.41382.16621.08382.15974.4496
C61.34542.29022.74052.39361.38963.52073.82263.38612.15521.08773.5992
O72.29701.35182.36743.61594.08153.52072.59844.50715.16464.36210.9714
H83.37502.16221.08352.17213.41383.82262.59842.51434.32944.90883.5367
H93.87433.38232.14661.08602.16623.38614.50712.51432.51724.30665.2367
H103.37973.81293.40352.17501.08382.15525.16464.32942.51722.50115.5057
H112.06623.25453.82753.39312.15971.08774.36214.90884.30662.50114.2451
H122.25871.87173.15514.25934.44963.59920.97143.53675.23675.50574.2451

picture of 2-Pyridinol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 123.822 N1 C2 O7 117.988
N1 C6 C5 123.313 N1 C6 H11 115.842
C2 N1 C6 117.877 C2 C3 C4 117.437
C2 C3 H8 119.917 C2 O7 H12 106.192
C3 C2 O7 118.191 C3 C4 C5 119.640
C3 C4 H9 119.996 C4 C3 H8 122.647
C4 C5 C6 117.911 C4 C5 H10 121.363
C5 C4 H9 120.364 C5 C6 H11 120.845
C6 C5 H10 120.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.556      
2 C 0.580      
3 C -0.217      
4 C -0.118      
5 C -0.204      
6 C 0.055      
7 O -0.675      
8 H 0.183      
9 H 0.177      
10 H 0.168      
11 H 0.172      
12 H 0.436      


Electric dipole moments


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 9.767 0.062 0.000
y 0.062 11.375 0.000
z 0.000 0.000 3.287


<r2> (average value of r2) Å2
<r2> 176.614
(<r2>)1/2 13.290