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 (3-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-320.408593
Energy at 298.15K-320.415182
HF Energy-319.743960
Nuclear repulsion energy270.488414
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' 3528 3367 28.27      
2 A' 3237 3090 4.10      
3 A' 3224 3077 13.57      
4 A' 3208 3062 3.90      
5 A' 3171 3026 22.94      
6 A' 1604 1531 13.71      
7 A' 1569 1497 16.97      
8 A' 1513 1444 13.80      
9 A' 1456 1389 78.06      
10 A' 1413 1349 8.94      
11 A' 1319 1259 15.77      
12 A' 1251 1194 38.66      
13 A' 1236 1180 26.31      
14 A' 1181 1127 169.38      
15 A' 1126 1074 1.12      
16 A' 1068 1020 9.44      
17 A' 1020 974 4.72      
18 A' 824 787 8.71      
19 A' 649 620 4.08      
20 A' 561 535 5.89      
21 A' 387 370 16.05      
22 A" 980 936 0.06      
23 A" 937 894 2.69      
24 A" 924 882 4.81      
25 A" 825 788 54.53      
26 A" 733 699 25.62      
27 A" 527 503 0.01      
28 A" 433 413 2.21      
29 A" 360 343 170.27      
30 A" 236 226 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20249.3 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 19327.9 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
0.19084 0.08683 0.05968

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 -1.237 -1.171 0.000
C2 -1.197 0.193 0.000
C3 0.000 0.929 0.000
C4 1.220 0.229 0.000
C5 1.196 -1.172 0.000
C6 -0.043 -1.836 0.000
O7 0.057 2.325 0.000
H8 -2.159 0.704 0.000
H9 2.148 0.790 0.000
H10 2.122 -1.738 0.000
H11 -0.097 -2.919 0.000
H12 -0.865 2.693 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.36532.43752.82822.43331.36713.72852.08933.91293.40662.08703.8822
C21.36531.40482.41692.75482.33452.47331.08883.39803.84003.30132.5215
C32.43751.40481.40622.41702.76481.39782.17042.15273.40823.84931.9650
C42.82822.41691.40621.40092.42012.39723.41161.08502.16443.41273.2277
C52.43332.75482.41701.40091.40533.67783.84332.18091.08562.17404.3799
C61.36712.33452.76482.42011.40534.16233.30573.42002.16651.08494.6028
O73.72852.47331.39782.39723.67784.16232.74552.59434.55835.24690.9927
H82.08931.08882.17043.41163.84333.30572.74554.30784.92824.16872.3726
H93.91293.39802.15271.08502.18093.42002.59434.30782.52894.33623.5639
H103.40663.84003.40822.16441.08562.16654.55834.92822.52892.51345.3441
H112.08703.30133.84933.41272.17401.08495.24694.16874.33622.51345.6646
H123.88222.52151.96503.22774.37994.60280.99272.37263.56395.34415.6646

picture of 3-Pyridinol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 123.265 N1 C2 H8 116.260
N1 C6 C5 122.720 N1 C6 H11 116.201
C2 N1 C6 117.380 C2 C3 C4 118.593
C2 C3 O7 123.896 C3 C2 H8 120.475
C3 C4 C5 118.867 C3 C4 H9 119.009
C3 O7 H12 109.405 C4 C3 O7 117.510
C4 C5 C6 119.176 C4 C5 H10 120.504
C5 C4 H9 122.125 C5 C6 H11 121.080
C6 C5 H10 120.320
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 -0.619      
2 C 0.057      
3 C 0.279      
4 C -0.194      
5 C -0.313      
6 C 0.082      
7 O -0.715      
8 H 0.245      
9 H 0.277      
10 H 0.254      
11 H 0.256      
12 H 0.391      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.586 0.680 0.000 0.897
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.139 -9.663 0.000
y -9.663 -38.472 0.000
z 0.000 0.000 -44.296
Traceless
 xyz
x 3.245 -9.663 0.000
y -9.663 2.746 0.000
z 0.000 0.000 -5.991
Polar
3z2-r2-11.981
x2-y20.332
xy-9.663
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.139 -0.833 0.000
y -0.833 10.739 0.000
z 0.000 0.000 2.296


<r2> (average value of r2) Å2
<r2> 183.515
(<r2>)1/2 13.547