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

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-321.567106
Energy at 298.15K-321.574208
HF Energy-321.567106
Nuclear repulsion energy278.119814
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 HF/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' 4076 3662 129.64      
2 A' 3413 3066 2.60      
3 A' 3402 3057 22.34      
4 A' 3376 3034 28.03      
5 A' 3370 3028 5.22      
6 A' 1821 1636 122.46      
7 A' 1800 1617 167.71      
8 A' 1664 1495 165.11      
9 A' 1626 1461 60.70      
10 A' 1489 1338 26.66      
11 A' 1456 1308 76.62      
12 A' 1350 1213 104.76      
13 A' 1310 1177 82.77      
14 A' 1213 1090 13.48      
15 A' 1196 1074 63.27      
16 A' 1143 1027 4.44      
17 A' 1085 975 13.66      
18 A' 928 834 10.30      
19 A' 688 618 3.46      
20 A' 612 550 0.97      
21 A' 457 410 18.45      
22 A" 1126 1012 0.52      
23 A" 1106 994 0.12      
24 A" 970 872 6.91      
25 A" 875 786 90.62      
26 A" 834 750 0.04      
27 A" 600 539 9.92      
28 A" 518 465 145.40      
29 A" 463 416 0.39      
30 A" 247 222 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 22105.7 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 19862.0 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 HF/6-31G*
ABC
0.19839 0.09391 0.06374

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.165 0.303 0.000
C2 0.000 0.896 0.000
C3 1.221 0.219 0.000
C4 1.178 -1.153 0.000
C5 -0.054 -1.806 0.000
C6 -1.186 -1.026 0.000
O7 0.018 2.232 0.000
H8 2.140 0.773 0.000
H9 2.093 -1.719 0.000
H10 -0.123 -2.877 0.000
H11 -2.163 -1.476 0.000
H12 -0.882 2.537 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.30752.38772.75902.38391.32992.26283.33833.83443.34672.04032.2516
C21.30751.39622.36382.70302.25941.33582.14353.34953.77563.21091.8628
C32.38771.39621.37282.39352.71062.34501.07262.12513.37573.78533.1299
C42.75902.36381.37281.39512.36793.57832.15221.07542.16053.35714.2262
C52.38392.70302.39351.39511.37434.03883.38592.14891.07342.13444.4213
C61.32992.25942.71062.36791.37433.47403.78163.35132.13421.07553.5764
O72.26281.33582.34503.57834.03883.47402.57554.46265.11134.30240.9505
H83.33832.14351.07262.15223.38593.78162.57552.49194.29454.85543.4996
H93.83443.34952.12511.07542.14893.35134.46262.49192.50054.26285.1926
H103.34673.77563.37572.16051.07342.13425.11134.29452.50052.47455.4671
H112.04033.21093.78533.35712.13441.07554.30244.85544.26282.47454.2128
H122.25161.86283.12994.22624.42133.57640.95053.49965.19265.46714.2128

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 124.007 N1 C2 O7 117.747
N1 C6 C5 123.647 N1 C6 H11 115.636
C2 N1 C6 117.890 C2 C3 C4 117.227
C2 C3 H8 119.934 C2 O7 H12 107.941
C3 C2 O7 118.245 C3 C4 C5 119.705
C3 C4 H9 119.973 C4 C3 H8 122.839
C4 C5 C6 117.524 C4 C5 H10 121.602
C5 C4 H9 120.322 C5 C6 H11 120.717
C6 C5 H10 120.875
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.627      
2 C 0.669      
3 C -0.298      
4 C -0.128      
5 C -0.285      
6 C 0.082      
7 O -0.738      
8 H 0.226      
9 H 0.217      
10 H 0.209      
11 H 0.206      
12 H 0.467      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.413 -1.410 0.000 1.470
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.174 -2.371 0.007
y -2.371 -36.204 0.003
z 0.007 0.003 -42.882
Traceless
 xyz
x 2.368 -2.371 0.007
y -2.371 3.824 0.003
z 0.007 0.003 -6.192
Polar
3z2-r2-12.385
x2-y2-0.971
xy-2.371
xz0.007
yz0.003


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.286 0.093 0.000
y 0.093 10.401 0.003
z 0.000 0.003 3.261


<r2> (average value of r2) Å2
<r2> 173.805
(<r2>)1/2 13.184