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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-323.347045
Energy at 298.15K-323.353240
Nuclear repulsion energy272.333916
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 B1B95/6-31G**
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' 3229 3083 28.18      
2 A' 3204 3059 1.20      
3 A' 3164 3021 13.72      
4 A' 3049 2911 1.94      
5 A' 1816 1734 181.83      
6 A' 1719 1641 16.67      
7 A' 1647 1572 8.00      
8 A' 1429 1364 0.23      
9 A' 1401 1337 23.93      
10 A' 1362 1301 0.95      
11 A' 1338 1278 8.51      
12 A' 1255 1198 7.96      
13 A' 1225 1169 2.01      
14 A' 1040 993 11.70      
15 A' 976 932 5.03      
16 A' 941 898 6.17      
17 A' 756 722 11.88      
18 A' 586 559 3.89      
19 A' 498 475 15.47      
20 A' 437 417 13.58      
21 A" 3081 2941 0.32      
22 A" 1179 1125 3.94      
23 A" 992 948 1.81      
24 A" 979 935 1.06      
25 A" 866 827 0.04      
26 A" 767 732 24.58      
27 A" 546 521 7.50      
28 A" 424 405 17.64      
29 A" 276 263 1.43      
30 A" 62 59 6.28      

Unscaled Zero Point Vibrational Energy (zpe) 20118.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 19209.3 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 B1B95/6-31G**
ABC
0.17717 0.09307 0.06170

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.313 -1.023 0.000
C2 1.254 0.257 0.000
C3 0.000 1.055 0.000
C4 -1.290 0.266 0.000
C5 -1.104 -1.210 0.000
C6 0.118 -1.756 0.000
O7 0.032 2.271 0.000
H8 2.180 0.831 0.000
H9 -1.883 0.586 0.867
H10 -1.984 -1.845 0.000
H11 0.257 -2.832 0.000
H12 -1.883 0.586 -0.867

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.28202.45882.90592.42481.40213.53482.04743.68223.39882.09433.6822
C21.28201.48612.54432.77712.31162.35541.09013.27083.86083.24573.2708
C32.45881.48611.51252.52002.81381.21612.19182.12533.51413.89512.1253
C42.90592.54431.51251.48822.46482.40133.51651.09792.22243.46281.0979
C52.42482.77712.52001.48821.33873.66163.86722.14141.08542.11682.1414
C61.40212.31162.81382.46481.33874.02803.30893.20042.10451.08423.2004
O73.53482.35541.21612.40133.66164.02802.58612.69364.58315.10732.6936
H82.04741.09012.19183.51653.86723.30892.58614.16184.95074.13744.1618
H93.68223.27082.12531.09792.14143.20042.69364.16182.58334.12441.7349
H103.39883.86083.51412.22241.08542.10454.58314.95072.58332.44882.5833
H112.09433.24573.89513.46282.11681.08425.10734.13744.12442.44884.1244
H123.68223.27082.12531.09792.14143.20042.69364.16181.73492.58334.1244

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 125.143 N1 C2 H8 119.119
N1 C6 C5 124.412 N1 C6 H11 114.168
C2 N1 C6 118.842 C2 C3 C4 116.094
C2 C3 O7 120.976 C3 C2 H8 115.739
C3 C4 C5 114.238 C3 C4 H9 107.953
C3 C4 H12 107.953 C4 C3 O7 122.931
C4 C5 C6 121.272 C4 C5 H10 118.597
C5 C4 H9 110.892 C5 C4 H12 110.892
C5 C6 H11 121.420 C6 C5 H10 120.131
H9 C4 H12 104.388
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.395      
2 C 0.063      
3 C 0.388      
4 C -0.335      
5 C -0.099      
6 C 0.049      
7 O -0.451      
8 H 0.146      
9 H 0.187      
10 H 0.130      
11 H 0.131      
12 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.227 -1.831 0.000 2.883
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.577 2.976 0.000
y 2.976 -45.512 0.000
z 0.000 0.000 -39.443
Traceless
 xyz
x 4.900 2.976 0.000
y 2.976 -7.002 0.000
z 0.000 0.000 2.102
Polar
3z2-r24.204
x2-y27.934
xy2.976
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.683 0.652 0.000
y 0.652 11.031 0.000
z 0.000 0.000 4.281


<r2> (average value of r2) Å2
<r2> 177.948
(<r2>)1/2 13.340