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

using model chemistry: B1B95/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-323.362821
Energy at 298.15K-323.369006
Nuclear repulsion energy272.824206
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(2df,p)
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' 3216 3080 27.03      
2 A' 3191 3056 0.80      
3 A' 3145 3012 13.69      
4 A' 3038 2910 1.98      
5 A' 1811 1735 183.01      
6 A' 1712 1640 15.37      
7 A' 1643 1573 7.20      
8 A' 1419 1359 0.25      
9 A' 1388 1329 22.54      
10 A' 1356 1299 0.70      
11 A' 1328 1272 7.64      
12 A' 1245 1192 6.46      
13 A' 1219 1167 2.11      
14 A' 1035 991 10.39      
15 A' 975 933 6.06      
16 A' 937 898 6.80      
17 A' 754 722 11.68      
18 A' 583 558 3.81      
19 A' 494 473 14.90      
20 A' 433 415 13.66      
21 A" 3070 2940 0.30      
22 A" 1171 1121 3.85      
23 A" 1000 957 1.40      
24 A" 988 946 0.44      
25 A" 866 829 0.07      
26 A" 772 740 19.56      
27 A" 548 525 6.45      
28 A" 426 408 16.65      
29 A" 276 265 1.59      
30 A" 52 49 5.80      

Unscaled Zero Point Vibrational Energy (zpe) 20044.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 19196.5 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(2df,p)
ABC
0.17776 0.09339 0.06191

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.311 -1.021 0.000
C2 1.251 0.256 0.000
C3 0.000 1.056 0.000
C4 -1.289 0.266 0.000
C5 -1.101 -1.209 0.000
C6 0.117 -1.753 0.000
O7 0.033 2.266 0.000
H8 2.177 0.831 0.000
H9 -1.882 0.585 0.866
H10 -1.982 -1.842 0.000
H11 0.258 -2.828 0.000
H12 -1.882 0.585 -0.866

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.27812.45672.90092.41981.40033.52652.04473.67783.39412.09113.6778
C21.27811.48572.54022.77132.30672.35051.08983.26763.85433.23933.2676
C32.45671.48571.51222.51912.81221.20962.18822.12493.51153.89272.1249
C42.90092.54021.51221.48652.46042.39743.51131.09752.21883.45851.0975
C52.41982.77132.51911.48651.33483.65523.86112.13981.08472.11372.1398
C61.40032.30672.81222.46041.33484.01983.30463.19622.10161.08363.1962
O73.52652.35051.20962.39743.65524.01982.57912.69134.57545.09832.6913
H82.04471.08982.18823.51133.86113.30462.57914.15744.94404.13154.1574
H93.67783.26762.12491.09752.13983.19622.69134.15742.57894.12021.7328
H103.39413.85433.51152.21881.08472.10164.57544.94402.57892.44752.5789
H112.09113.23933.89273.45852.11371.08365.09834.13154.12022.44754.1202
H123.67783.26762.12491.09752.13983.19622.69134.15741.73282.57894.1202

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 125.302 N1 C2 H8 119.217
N1 C6 C5 124.419 N1 C6 H11 114.070
C2 N1 C6 118.842 C2 C3 C4 115.844
C2 C3 O7 121.058 C3 C2 H8 115.481
C3 C4 C5 114.289 C3 C4 H9 107.969
C3 C4 H12 107.969 C4 C3 O7 123.098
C4 C5 C6 121.304 C4 C5 H10 118.452
C5 C4 H9 110.904 C5 C4 H12 110.904
C5 C6 H11 121.511 C6 C5 H10 120.244
H9 C4 H12 104.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.232      
2 C -0.061      
3 C 0.366      
4 C -0.403      
5 C -0.093      
6 C 0.007      
7 O -0.331      
8 H 0.142      
9 H 0.176      
10 H 0.127      
11 H 0.127      
12 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.102 -1.784 0.000 2.758
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.448 2.825 0.000
y 2.825 -45.225 0.000
z 0.000 0.000 -39.195
Traceless
 xyz
x 4.762 2.825 0.000
y 2.825 -6.903 0.000
z 0.000 0.000 2.141
Polar
3z2-r24.283
x2-y27.777
xy2.825
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.933 0.625 0.000
y 0.625 11.166 0.000
z 0.000 0.000 4.797


<r2> (average value of r2) Å2
<r2> 177.310
(<r2>)1/2 13.316