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 (4-Pyridinol)

using model chemistry: LSDA/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 LSDA/3-21G*
 hartrees
Energy at 0K-319.969324
Energy at 298.15K-319.975977
Nuclear repulsion energy273.534006
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 LSDA/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' 3419 3357 23.09      
2 A' 3167 3110 0.16      
3 A' 3119 3063 4.57      
4 A' 3106 3050 17.74      
5 A' 3096 3040 15.27      
6 A' 1626 1597 101.75      
7 A' 1582 1554 82.64      
8 A' 1494 1467 13.97      
9 A' 1436 1410 26.71      
10 A' 1367 1342 10.11      
11 A' 1346 1322 5.93      
12 A' 1329 1305 52.71      
13 A' 1231 1208 5.20      
14 A' 1155 1135 169.33      
15 A' 1086 1066 28.19      
16 A' 1069 1050 0.21      
17 A' 986 968 8.66      
18 A' 847 832 40.93      
19 A' 686 673 0.26      
20 A' 532 522 0.82      
21 A' 389 382 13.95      
22 A" 1000 982 0.36      
23 A" 987 970 1.53      
24 A" 860 844 22.73      
25 A" 840 825 53.19      
26 A" 765 751 2.20      
27 A" 547 537 10.40      
28 A" 471 463 156.88      
29 A" 390 383 6.73      
30 A" 231 227 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 20077.6 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 19716.2 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 LSDA/3-21G*
ABC
0.19912 0.08773 0.06090

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -1.876 0.000
C2 -1.131 -1.180 0.000
C3 -1.191 0.206 0.000
C4 0.000 0.933 0.000
C5 1.201 0.222 0.000
C6 1.158 -1.161 0.000
O7 0.063 2.291 0.000
H8 -2.062 -1.760 0.000
H9 -2.162 0.715 0.000
H10 2.145 0.772 0.000
H11 2.095 -1.730 0.000
H12 -0.862 2.678 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.34232.40722.80922.40951.34674.16722.08163.38483.39672.08294.6379
C21.34231.38802.39732.72202.28953.67121.09612.15723.81353.27243.8677
C32.40721.38801.39542.39262.71832.43302.15051.09573.38353.81392.4935
C42.80922.39731.39541.39602.39331.35933.39182.17262.15103.38841.9461
C52.40952.72202.39261.39601.38422.36123.81803.39901.09162.14713.2076
C61.34672.28952.71832.39331.38423.62173.27503.81322.17001.09574.3383
O74.16723.67122.43301.35932.36123.62174.57452.72662.57724.50521.0030
H82.08161.09612.15053.39183.81803.27504.57452.47694.90954.15624.5973
H93.38482.15721.09572.17263.39903.81322.72662.47694.30694.90852.3543
H103.39673.81353.38352.15101.09162.17002.57724.90954.30692.50223.5604
H112.08293.27243.81393.38842.14711.09574.50524.15624.90852.50225.3079
H124.63793.86772.49351.94613.20764.33831.00304.59732.35433.56045.3079

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 123.678 N1 C2 H8 116.863
N1 C6 C5 123.845 N1 C6 H11 116.659
C2 N1 C6 116.739 C2 C3 C4 118.926
C2 C3 H9 120.120 C3 C2 H8 119.459
C3 C4 C5 117.991 C3 C4 O7 124.061
C4 C3 H9 120.954 C4 C5 C6 118.822
C4 C5 H10 119.181 C4 O7 H12 110.028
C5 C4 O7 117.948 C5 C6 H11 119.495
C6 C5 H10 121.997
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.474      
2 C 0.002      
3 C -0.266      
4 C 0.274      
5 C -0.232      
6 C -0.005      
7 O -0.549      
8 H 0.228      
9 H 0.197      
10 H 0.224      
11 H 0.230      
12 H 0.371      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.551 2.752 0.000 3.159
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.580 -4.795 0.000
y -4.795 -41.815 0.000
z 0.000 0.000 -43.090
Traceless
 xyz
x 9.873 -4.795 0.000
y -4.795 -3.980 0.000
z 0.000 0.000 -5.892
Polar
3z2-r2-11.784
x2-y29.235
xy-4.795
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.067 -0.392 0.000
y -0.392 10.438 0.000
z 0.000 0.000 2.444


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