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

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-320.410714
Energy at 298.15K-320.417329
HF Energy-319.747924
Nuclear repulsion energy270.392518
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 MP2/3-21G
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' 3531 3371 28.76      
2 A' 3242 3094 2.48      
3 A' 3215 3069 9.76      
4 A' 3209 3063 24.59      
5 A' 3190 3045 7.68      
6 A' 1615 1542 68.17      
7 A' 1569 1498 63.67      
8 A' 1514 1445 9.14      
9 A' 1451 1385 24.36      
10 A' 1424 1359 18.79      
11 A' 1322 1262 1.44      
12 A' 1260 1203 1.89      
13 A' 1248 1191 92.09      
14 A' 1185 1131 108.73      
15 A' 1093 1043 25.47      
16 A' 1087 1038 6.73      
17 A' 966 922 9.06      
18 A' 831 793 51.06      
19 A' 700 668 0.54      
20 A' 537 513 0.15      
21 A' 395 377 11.96      
22 A" 999 953 0.00      
23 A" 969 925 0.31      
24 A" 869 830 2.05      
25 A" 816 779 74.49      
26 A" 751 717 1.77      
27 A" 543 519 14.25      
28 A" 413 395 7.45      
29 A" 384 367 154.57      
30 A" 234 223 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 20280.5 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 19357.7 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 MP2/3-21G
ABC
0.19525 0.08528 0.05935

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.007 -1.907 0.000
C2 1.154 -1.188 0.000
C3 1.205 0.214 0.000
C4 0.000 0.936 0.000
C5 -1.211 0.219 0.000
C6 -1.169 -1.177 0.000
O7 -0.083 2.329 0.000
H8 2.075 -1.764 0.000
H9 2.167 0.722 0.000
H10 -2.150 0.762 0.000
H11 -2.091 -1.750 0.000
H12 0.831 2.716 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.36592.44332.84312.44391.37294.23732.08643.41133.42282.09004.6982
C21.36591.40312.41712.75212.32353.72841.08582.16153.83633.29353.9167
C32.44331.40311.40442.41582.75172.47622.16101.08753.39913.83682.5289
C42.84312.41711.40441.40692.41461.39603.40482.17732.15683.40371.9644
C52.44392.75212.41581.40691.39682.39263.83773.41481.08432.15713.2251
C61.37292.32352.75172.41461.39683.67063.29663.83852.17241.08534.3764
O74.23733.72842.47621.39602.39263.67064.62702.76492.59434.54680.9925
H82.08641.08582.16103.40483.83773.29664.62702.48744.92194.16564.6487
H93.41132.16151.08752.17733.41483.83852.76492.48744.31684.92322.3996
H103.42283.83633.39912.15681.08432.17242.59434.92194.31682.51243.5645
H112.09003.29353.83683.40372.15711.08534.54684.16564.92322.51245.3367
H124.69823.91672.52891.96443.22514.37640.99254.64872.39963.56455.3367

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 123.852 N1 C2 H8 116.178
N1 C6 C5 123.853 N1 C6 H11 115.974
C2 N1 C6 116.071 C2 C3 C4 118.842
C2 C3 H9 119.886 C3 C2 H8 119.970
C3 C4 C5 118.479 C3 C4 O7 124.311
C4 C3 H9 121.272 C4 C5 C6 118.903
C4 C5 H10 119.384 C4 O7 H12 109.497
C5 C4 O7 117.210 C5 C6 H11 120.173
C6 C5 H10 121.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.645      
2 C 0.117      
3 C -0.377      
4 C 0.425      
5 C -0.344      
6 C 0.108      
7 O -0.710      
8 H 0.260      
9 H 0.240      
10 H 0.270      
11 H 0.261      
12 H 0.394      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.657 2.024 0.000 2.616
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.173 5.173 0.000
y 5.173 -45.505 0.000
z 0.000 0.000 -44.282
Traceless
 xyz
x 12.721 5.173 0.000
y 5.173 -7.278 0.000
z 0.000 0.000 -5.443
Polar
3z2-r2-10.886
x2-y213.332
xy5.173
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.802 0.306 0.000
y 0.306 10.042 0.000
z 0.000 0.000 2.293


<r2> (average value of r2) Å2
<r2> 183.950
(<r2>)1/2 13.563