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

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-319.275856
Energy at 298.15K-319.282081
Nuclear repulsion energy269.197931
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 B1B95/STO-3G
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' 3773 3332 10.19      
2 A' 3497 3088 11.52      
3 A' 3473 3067 5.29      
4 A' 3450 3047 1.23      
5 A' 3446 3043 0.65      
6 A' 1754 1549 75.20      
7 A' 1718 1517 62.74      
8 A' 1617 1428 39.80      
9 A' 1524 1346 45.81      
10 A' 1468 1296 21.11      
11 A' 1413 1247 20.41      
12 A' 1350 1192 42.34      
13 A' 1284 1134 4.41      
14 A' 1250 1104 23.72      
15 A' 1152 1017 4.81      
16 A' 1110 980 2.98      
17 A' 1020 901 2.45      
18 A' 870 768 15.20      
19 A' 681 602 0.93      
20 A' 529 468 0.36      
21 A' 390 344 6.97      
22 A" 1035 913 0.09      
23 A" 1005 887 0.91      
24 A" 902 796 0.51      
25 A" 845 746 25.13      
26 A" 750 662 0.53      
27 A" 532 470 13.97      
28 A" 506 447 70.80      
29 A" 394 348 2.97      
30 A" 227 200 2.09      

Unscaled Zero Point Vibrational Energy (zpe) 21482.6 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 18969.1 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 B1B95/STO-3G
ABC
0.19559 0.08412 0.05882

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.018 -1.942 0.000
C2 -1.137 -1.186 0.000
C3 -1.204 0.211 0.000
C4 0.000 0.951 0.000
C5 1.216 0.227 0.000
C6 1.166 -1.168 0.000
O7 0.064 2.347 0.000
H8 -2.074 -1.765 0.000
H9 -2.173 0.723 0.000
H10 2.171 0.762 0.000
H11 2.109 -1.737 0.000
H12 -0.919 2.626 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.38042.47602.89292.47801.38464.28912.09953.45003.45622.10104.6636
C21.38041.39922.42052.74462.30323.73141.10122.17213.83893.29233.8188
C32.47601.39921.41262.41952.74222.48322.15921.09573.41943.84312.4318
C42.89292.42051.41261.41472.41861.39753.41682.18452.17933.41611.9109
C52.47802.74462.41951.41471.39632.41233.84573.42441.09462.15763.2110
C61.38462.30322.74222.41861.39633.68373.29453.83722.17571.10104.3295
O74.28913.73142.48321.39752.41233.68374.63402.76362.63704.56701.0213
H82.09951.10122.15923.41683.84573.29454.63402.48984.93994.18304.5406
H93.45002.17211.09572.18453.42443.83722.76362.48984.34394.93792.2793
H103.45623.83893.41942.17931.09462.17572.63704.93994.34392.49903.6088
H112.10103.29233.84313.41612.15761.10104.56704.18304.93792.49905.3106
H124.66363.81882.43181.91093.21104.32951.02134.54062.27933.60885.3106

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 125.942 N1 C2 H8 115.100
N1 C6 C5 126.020 N1 C6 H11 114.925
C2 N1 C6 112.809 C2 C3 C4 118.821
C2 C3 H9 120.578 C3 C2 H8 118.958
C3 C4 C5 117.687 C3 C4 O7 124.172
C4 C3 H9 120.602 C4 C5 C6 118.722
C4 C5 H10 120.030 C4 O7 H12 103.279
C5 C4 O7 118.142 C5 C6 H11 119.055
C6 C5 H10 121.249
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.229      
2 C 0.002      
3 C -0.121      
4 C 0.090      
5 C -0.106      
6 C 0.001      
7 O -0.210      
8 H 0.090      
9 H 0.080      
10 H 0.096      
11 H 0.091      
12 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.240 2.511 0.000 2.800
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.793 -3.598 0.000
y -3.598 -40.785 0.000
z 0.000 0.000 -38.333
Traceless
 xyz
x 7.766 -3.598 0.000
y -3.598 -5.722 0.000
z 0.000 0.000 -2.044
Polar
3z2-r2-4.089
x2-y28.992
xy-3.598
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.136 -0.372 0.000
y -0.372 7.824 0.000
z 0.000 0.000 1.051


<r2> (average value of r2) Å2
<r2> 182.853
(<r2>)1/2 13.522