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All results from a given calculation for C5H5NO (4-Pyridinol)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-321.581898
Energy at 298.15K-321.588647
Nuclear repulsion energy273.408559
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 B1B95/3-21G
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' 3565 3411 30.42      
2 A' 3267 3125 1.17      
3 A' 3226 3086 7.79      
4 A' 3213 3074 23.04      
5 A' 3203 3064 14.66      
6 A' 1647 1576 96.40      
7 A' 1608 1539 80.42      
8 A' 1534 1468 17.34      
9 A' 1466 1402 29.93      
10 A' 1411 1350 16.18      
11 A' 1346 1288 7.02      
12 A' 1295 1239 59.89      
13 A' 1264 1209 5.95      
14 A' 1187 1136 151.49      
15 A' 1110 1062 30.60      
16 A' 1095 1048 0.90      
17 A' 1001 957 9.65      
18 A' 849 812 48.45      
19 A' 696 666 0.41      
20 A' 537 514 0.38      
21 A' 394 377 12.68      
22 A" 1047 1001 0.20      
23 A" 1031 986 3.17      
24 A" 900 861 7.88      
25 A" 875 837 76.58      
26 A" 783 749 0.32      
27 A" 560 536 15.17      
28 A" 433 414 131.49      
29 A" 407 389 32.80      
30 A" 239 228 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 20592.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19700.6 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 B1B95/3-21G
ABC
0.19941 0.08733 0.06073

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.013 -1.880 0.000
C2 -1.134 -1.180 0.000
C3 -1.193 0.208 0.000
C4 0.000 0.930 0.000
C5 1.201 0.220 0.000
C6 1.157 -1.164 0.000
O7 0.069 2.300 0.000
H8 -2.053 -1.755 0.000
H9 -2.153 0.711 0.000
H10 2.137 0.759 0.000
H11 2.079 -1.731 0.000
H12 -0.838 2.693 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.34372.41082.81002.41241.34894.17972.06953.37633.38742.07164.6513
C21.34371.38922.39592.72292.29093.68201.08332.14763.80273.26053.8845
C32.41081.38921.39462.39422.72092.44312.14261.08343.37493.80362.5104
C42.81002.39591.39461.39572.39271.37113.37972.16372.14353.37751.9520
C52.41242.72292.39421.39571.38482.36793.80613.38951.07992.13963.2058
C61.34892.29092.72092.39271.38483.63063.26313.80342.15901.08304.3428
O74.17973.68202.44311.37112.36793.63064.57602.73152.57804.50430.9892
H82.06951.08332.14263.37973.80613.26314.57602.46744.88584.13204.6105
H93.37632.14761.08342.16373.38953.80342.73152.46744.28954.88592.3784
H103.38743.80273.37492.14351.07992.15902.57804.88584.28952.49143.5482
H112.07163.26053.80363.37752.13961.08304.50434.13204.88592.49145.2998
H124.65133.88452.51041.95203.20584.34280.98924.61052.37843.54825.2998

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 123.792 N1 C2 H8 116.595
N1 C6 C5 123.875 N1 C6 H11 116.404
C2 N1 C6 116.601 C2 C3 C4 118.780
C2 C3 H9 120.074 C3 C2 H8 119.613
C3 C4 C5 118.200 C3 C4 O7 124.095
C4 C3 H9 121.146 C4 C5 C6 118.753
C4 C5 H10 119.416 C4 O7 H12 110.541
C5 C4 O7 117.706 C5 C6 H11 119.722
C6 C5 H10 121.831
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.542      
2 C 0.049      
3 C -0.293      
4 C 0.321      
5 C -0.259      
6 C 0.042      
7 O -0.603      
8 H 0.234      
9 H 0.207      
10 H 0.234      
11 H 0.236      
12 H 0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.546 2.486 0.000 2.927
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.361 -4.815 0.000
y -4.815 -42.626 0.000
z 0.000 0.000 -43.057
Traceless
 xyz
x 10.481 -4.815 0.000
y -4.815 -4.917 0.000
z 0.000 0.000 -5.564
Polar
3z2-r2-11.128
x2-y210.265
xy-4.815
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.782 -0.337 0.000
y -0.337 10.116 0.000
z 0.000 0.000 2.390


<r2> (average value of r2) Å2
<r2> 179.676
(<r2>)1/2 13.404