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All results from a given calculation for C5H5NO (2-Pyridinol)

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-321.594652
Energy at 298.15K-321.601482
Nuclear repulsion energy274.990420
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 B1B95/3-21G*
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' 3530 3371 51.42      
2 A' 3271 3123 0.43      
3 A' 3258 3111 8.16      
4 A' 3230 3084 6.91      
5 A' 3217 3072 13.07      
6 A' 1649 1574 80.74      
7 A' 1617 1544 53.66      
8 A' 1526 1457 135.97      
9 A' 1512 1443 9.33      
10 A' 1402 1339 13.30      
11 A' 1344 1283 47.00      
12 A' 1311 1251 41.01      
13 A' 1218 1163 14.04      
14 A' 1192 1138 146.11      
15 A' 1116 1066 80.45      
16 A' 1067 1019 3.39      
17 A' 1005 960 7.13      
18 A' 865 826 16.58      
19 A' 650 621 3.23      
20 A' 571 545 0.60      
21 A' 398 380 20.73      
22 A" 1052 1004 0.04      
23 A" 1020 974 1.64      
24 A" 924 883 3.80      
25 A" 833 795 74.73      
26 A" 784 749 16.16      
27 A" 592 565 70.48      
28 A" 521 498 98.71      
29 A" 437 417 0.11      
30 A" 224 214 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 20665.6 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 19733.6 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 B1B95/3-21G*
ABC
0.19523 0.09146 0.06228

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.177 0.285 0.000
C2 0.000 0.905 0.000
C3 1.225 0.235 0.000
C4 1.199 -1.149 0.000
C5 -0.028 -1.822 0.000
C6 -1.188 -1.062 0.000
O7 -0.010 2.270 0.000
H8 2.144 0.802 0.000
H9 2.127 -1.706 0.000
H10 -0.075 -2.901 0.000
H11 -2.162 -1.534 0.000
H12 -0.964 2.548 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.33092.40332.77572.39981.34712.30343.36103.85803.37132.06832.2737
C21.33091.39692.37892.72732.29821.36532.14613.36813.80733.25961.9049
C32.40331.39691.38422.40832.73942.38151.07922.14013.39493.82143.1852
C42.77572.37891.38421.39932.38833.62742.16761.08242.16643.38304.2837
C52.39982.72732.40831.39931.38634.09253.40572.15831.08052.15344.4693
C61.34712.29822.73942.38831.38633.53473.81733.37682.14921.08263.6177
O72.30341.36532.38153.62744.09253.53472.60704.51475.17234.37100.9931
H83.36102.14611.07922.16763.40573.81732.60702.50784.31684.89843.5646
H93.85803.36812.14011.08242.15833.37684.51472.50782.50594.29275.2588
H103.37133.80733.39492.16641.08052.14925.17234.31682.50592.49475.5217
H112.06833.25963.82143.38302.15341.08264.37104.89844.29272.49474.2548
H122.27371.90493.18524.28374.46933.61770.99313.56465.25885.52174.2548

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 123.518 N1 C2 O7 117.360
N1 C6 C5 122.790 N1 C6 H11 116.271
C2 N1 C6 118.223 C2 C3 C4 117.604
C2 C3 H8 119.613 C2 O7 H12 106.676
C3 C2 O7 119.122 C3 C4 C5 119.817
C3 C4 H9 119.871 C4 C3 H8 122.783
C4 C5 C6 118.047 C4 C5 H10 121.238
C5 C4 H9 120.312 C5 C6 H11 120.939
C6 C5 H10 120.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.617      
2 C 0.563      
3 C -0.247      
4 C -0.175      
5 C -0.274      
6 C 0.053      
7 O -0.590      
8 H 0.233      
9 H 0.228      
10 H 0.216      
11 H 0.235      
12 H 0.375      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.268 -1.189 0.000 1.218
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.689 -2.550 0.000
y -2.550 -35.551 0.000
z 0.000 0.000 -42.990
Traceless
 xyz
x 2.582 -2.550 0.000
y -2.550 4.288 0.000
z 0.000 0.000 -6.870
Polar
3z2-r2-13.741
x2-y2-1.138
xy-2.550
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.137 0.029 0.000
y 0.029 10.938 0.000
z 0.000 0.000 2.354


<r2> (average value of r2) Å2
<r2> 177.017
(<r2>)1/2 13.305