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All results from a given calculation for C5H5NO (2(3H)-Pyridinone)

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-321.688121
Energy at 298.15K-321.694425
Nuclear repulsion energy270.940001
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 B3LYP/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 3225 3112 10.59      
2 A 3187 3075 4.42      
3 A 3132 3022 38.66      
4 A 3093 2985 0.52      
5 A 3012 2906 0.79      
6 A 1747 1686 149.31      
7 A 1700 1640 42.17      
8 A 1565 1510 124.79      
9 A 1471 1419 32.56      
10 A 1451 1400 6.75      
11 A 1430 1380 16.79      
12 A 1345 1298 5.60      
13 A 1253 1209 7.23      
14 A 1232 1188 0.77      
15 A 1095 1056 61.36      
16 A 1042 1005 1.51      
17 A 1035 999 1.90      
18 A 990 955 4.93      
19 A 967 933 49.30      
20 A 950 916 3.06      
21 A 938 905 5.53      
22 A 744 718 47.19      
23 A 728 702 16.84      
24 A 607 585 1.55      
25 A 580 559 0.21      
26 A 534 516 2.03      
27 A 468 451 1.96      
28 A 456 440 1.80      
29 A 272 263 3.26      
30 A 50 48 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 20147.5 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 19440.3 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 B3LYP/3-21G
ABC
0.17551 0.09232 0.06178

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.350 -1.288 0.116
C2 1.061 -0.043 0.009
C3 0.266 1.266 0.155
C4 -1.217 1.133 -0.057
C5 -1.784 -0.080 -0.118
C6 -0.943 -1.268 0.037
O7 2.276 -0.036 -0.166
H8 0.707 1.999 -0.530
H9 -1.804 2.043 -0.131
H10 -2.850 -0.214 -0.250
H11 -1.457 -2.226 0.101
H12 0.448 1.654 1.171

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.43702.55562.88962.46401.29652.31383.36883.97503.39592.03633.1272
C21.43701.53872.56472.84822.34911.22772.14193.54713.92363.33352.1464
C32.55561.53871.50362.46732.81022.41661.09602.22943.47353.89451.1035
C42.88962.56471.50361.34062.41883.68532.16221.08542.12643.37222.1338
C52.46402.84822.46731.34061.46394.06083.27092.12321.08272.18263.1068
C61.29652.34912.81022.41881.46393.45313.70413.42552.19751.08913.4296
O72.31381.22772.41663.68534.06083.45312.59564.57975.13024.33602.8259
H83.36882.14191.09602.16223.27093.70412.59562.54314.19924.78911.7554
H93.97503.54712.22941.08542.12323.42554.57972.54312.49114.29022.6308
H103.39593.92363.47352.12641.08272.19755.13024.19922.49112.47284.0487
H112.03633.33353.89453.37222.18261.08914.33604.78914.29022.47284.4534
H123.12722.14641.10352.13383.10683.42962.82591.75542.63084.04874.4534

picture of 2(3H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 118.326 N1 C2 O7 120.322
N1 C6 C5 126.309 N1 C6 H11 116.945
C2 N1 C6 118.398 C2 C3 C4 114.912
C2 C3 H8 107.580 C2 C3 H12 107.510
C3 C2 O7 121.334 C3 C4 C5 120.227
C3 C4 H9 117.975 C4 C3 H8 111.596
C4 C3 H12 108.896 C4 C5 C6 119.126
C4 C5 H10 122.322 C5 C4 H9 121.778
C5 C6 H11 116.744 C6 C5 H10 118.529
H8 C3 H12 105.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.517      
2 C 0.590      
3 C -0.549      
4 C -0.113      
5 C -0.238      
6 C 0.103      
7 O -0.432      
8 H 0.255      
9 H 0.214      
10 H 0.202      
11 H 0.223      
12 H 0.262      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.262 2.384 0.295 4.892
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.045 3.235 1.040
y 3.235 -38.013 0.510
z 1.040 0.510 -40.387
Traceless
 xyz
x -4.845 3.235 1.040
y 3.235 4.203 0.510
z 1.040 0.510 0.642
Polar
3z2-r21.285
x2-y2-6.032
xy3.235
xz1.040
yz0.510


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.304 0.550 0.090
y 0.550 8.853 0.001
z 0.090 0.001 3.604


<r2> (average value of r2) Å2
<r2> 179.368
(<r2>)1/2 13.393