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All results from a given calculation for C5H5NO (3(4H)-Pyridinone)

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 C1 1A'
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-319.238485
Energy at 298.15K-319.244264
Nuclear repulsion energy265.745736
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' 3484 3076 0.57      
2 A' 3456 3052 17.03      
3 A' 3413 3014 6.14      
4 A' 3323 2934 4.31      
5 A' 1818 1605 4.15      
6 A' 1805 1594 35.50      
7 A' 1670 1475 0.43      
8 A' 1605 1417 10.29      
9 A' 1498 1323 2.12      
10 A' 1448 1278 5.05      
11 A' 1395 1232 0.45      
12 A' 1291 1140 2.04      
13 A' 1252 1105 13.74      
14 A' 1066 942 4.13      
15 A' 1002 885 3.59      
16 A' 945 835 1.50      
17 A' 761 672 6.61      
18 A' 595 525 2.35      
19 A' 501 443 6.76      
20 A' 433 382 6.62      
21 A" 3412 3012 1.74      
22 A" 1276 1127 0.78      
23 A" 1046 923 0.45      
24 A" 1009 891 1.86      
25 A" 925 817 0.00      
26 A" 774 684 15.40      
27 A" 576 508 5.25      
28 A" 416 367 5.58      
29 A" 272 240 1.01      
30 A" 52 46 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 21258.5 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 18771.3 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 B1B95/STO-3G
ABC
0.16785 0.08857 0.05861

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 1.377 -1.076 0.000
C2 1.270 0.241 0.000
C3 0.000 1.084 0.000
C4 -1.333 0.281 0.000
C5 -1.122 -1.220 0.000
C6 0.095 -1.787 0.000
O7 0.045 2.338 0.000
H8 2.214 0.815 0.000
H9 -1.931 0.576 0.882
H10 -2.022 -1.849 0.000
H11 0.213 -2.879 0.000
H12 -1.931 0.576 -0.882

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.32132.56223.03052.50271.46593.66512.06823.80153.48552.14583.8015
C21.32131.52482.60322.80252.34372.42911.10483.33743.89913.29403.3374
C32.56221.52481.55642.56292.87311.25452.23032.18323.56263.96932.1832
C43.03052.60321.55641.51542.51272.47613.58681.10622.23813.51781.1062
C52.50272.80252.56291.51541.34223.74453.90732.15841.09812.12952.1584
C61.46592.34372.87312.51271.34224.12563.35583.23522.11771.09843.2352
O73.66512.42911.25452.47613.74454.12562.65052.79084.66925.22002.7908
H82.06821.10482.23033.58683.90733.35582.65054.24475.00384.20114.2447
H93.80153.33742.18321.10622.15843.23522.79084.24472.58174.16101.7646
H103.48553.89913.56262.23811.09812.11774.66925.00382.58172.46132.5817
H112.14583.29403.96933.51782.12951.09845.22004.20114.16102.46134.1610
H123.80153.33742.18321.10622.15843.23522.79084.24471.76462.58174.1610

picture of 3(4H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 128.236 N1 C2 H8 116.678
N1 C6 C5 125.999 N1 C6 H11 112.819
C2 N1 C6 114.368 C2 C3 C4 115.308
C2 C3 O7 121.548 C3 C2 H8 115.086
C3 C4 C5 113.085 C3 C4 H9 108.988
C3 C4 H12 108.988 C4 C3 O7 123.143
C4 C5 C6 123.004 C4 C5 H10 116.920
C5 C4 H9 109.854 C5 C4 H12 109.854
C5 C6 H11 121.182 C6 C5 H10 120.076
H9 C4 H12 105.806
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 -0.200      
2 C 0.002      
3 C 0.142      
4 C -0.170      
5 C -0.073      
6 C -0.025      
7 O -0.169      
8 H 0.098      
9 H 0.104      
10 H 0.092      
11 H 0.095      
12 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.994 -0.687 0.000 2.109
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.743 3.061 0.000
y 3.061 -41.002 0.000
z 0.000 0.000 -36.618
Traceless
 xyz
x 2.068 3.061 0.000
y 3.061 -4.321 0.000
z 0.000 0.000 2.254
Polar
3z2-r24.508
x2-y24.259
xy3.061
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.076 0.497 0.000
y 0.497 7.420 0.000
z 0.000 0.000 1.860


<r2> (average value of r2) Å2
<r2> 183.935
(<r2>)1/2 13.562