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 (2-Pyridinol)

using model chemistry: HF/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-321.680874
Energy at 298.15K-321.687997
Nuclear repulsion energy278.878198
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/6-311+G(3df,2p)
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' 4151 3771 136.47      
2 A' 3366 3058 1.61      
3 A' 3358 3051 14.25      
4 A' 3327 3023 16.12      
5 A' 3320 3016 8.24      
6 A' 1795 1631 124.83      
7 A' 1773 1611 181.60      
8 A' 1644 1493 147.15      
9 A' 1605 1458 77.17      
10 A' 1475 1340 14.81      
11 A' 1438 1307 85.34      
12 A' 1330 1209 108.38      
13 A' 1292 1174 72.47      
14 A' 1199 1089 6.23      
15 A' 1173 1066 66.50      
16 A' 1130 1027 5.84      
17 A' 1077 979 15.71      
18 A' 921 837 8.68      
19 A' 686 623 2.90      
20 A' 610 554 1.03      
21 A' 459 417 18.26      
22 A" 1128 1025 0.44      
23 A" 1109 1008 0.49      
24 A" 968 880 6.43      
25 A" 876 796 72.78      
26 A" 833 757 11.08      
27 A" 594 540 1.46      
28 A" 505 459 131.32      
29 A" 461 419 0.71      
30 A" 243 221 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 21923.1 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 19919.3 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 HF/6-311+G(3df,2p)
ABC
0.19957 0.09437 0.06407

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.161 0.303 0.000
C2 0.000 0.895 0.000
C3 1.218 0.217 0.000
C4 1.173 -1.151 0.000
C5 -0.057 -1.802 0.000
C6 -1.185 -1.023 0.000
O7 0.021 2.226 0.000
H8 2.137 0.767 0.000
H9 2.086 -1.716 0.000
H10 -0.128 -2.870 0.000
H11 -2.160 -1.473 0.000
H12 -0.868 2.541 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.30302.37982.74932.37641.32632.25683.32983.82323.33742.03832.2573
C21.30301.39362.35822.69742.25481.33092.14053.34233.76793.20581.8606
C32.37981.39361.36862.38762.70392.33821.07082.11973.36813.77743.1223
C42.74932.35821.36861.39162.36143.56772.14591.07382.15643.34894.2182
C52.37642.69742.38761.39161.37054.02823.37772.14431.07122.12884.4178
C61.32632.25482.70392.36141.37053.46553.77323.34332.12851.07433.5784
O72.25681.33092.33823.56774.02823.46552.57034.45055.09864.29430.9426
H83.32982.14051.07082.14593.37773.77322.57032.48384.28454.84593.4892
H93.82323.34232.11971.07382.14433.34334.45052.48382.49614.25295.1816
H103.33743.76793.36812.15641.07122.12855.09864.28452.49612.46655.4620
H112.03833.20583.77743.34892.12881.07434.29434.84594.25292.46654.2175
H122.25731.86063.12234.21824.41783.57840.94263.48925.18165.46204.2175

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 123.861 N1 C2 O7 117.921
N1 C6 C5 123.561 N1 C6 H11 115.826
C2 N1 C6 118.083 C2 C3 C4 117.238
C2 C3 H8 120.018 C2 O7 H12 108.651
C3 C2 O7 118.218 C3 C4 C5 119.760
C3 C4 H9 119.935 C4 C3 H8 122.744
C4 C5 C6 117.498 C4 C5 H10 121.676
C5 C4 H9 120.305 C5 C6 H11 120.613
C6 C5 H10 120.826
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -1.378      
2 C 0.911      
3 C 0.052      
4 C 0.409      
5 C -0.094      
6 C 0.155      
7 O -0.817      
8 H 0.131      
9 H 0.123      
10 H 0.121      
11 H 0.124      
12 H 0.262      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.517 -1.261 0.000 1.363
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.654 -2.181 0.000
y -2.181 -36.601 0.000
z 0.000 0.000 -43.782
Traceless
 xyz
x 2.537 -2.181 0.000
y -2.181 4.117 0.000
z 0.000 0.000 -6.654
Polar
3z2-r2-13.308
x2-y2-1.053
xy-2.181
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.628 0.095 0.000
y 0.095 11.800 0.000
z 0.000 0.000 6.162


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000