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

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 C1 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-321.546016
Energy at 298.15K-321.552339
Nuclear repulsion energy270.938978
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' 3254 3107 19.52      
2 A' 3207 3063 2.58      
3 A' 3176 3033 13.57      
4 A' 3048 2910 1.76      
5 A' 1737 1659 98.56      
6 A' 1687 1611 33.10      
7 A' 1610 1537 2.43      
8 A' 1446 1381 31.20      
9 A' 1437 1372 6.12      
10 A' 1369 1307 0.68      
11 A' 1345 1284 7.70      
12 A' 1261 1204 0.64      
13 A' 1208 1153 15.22      
14 A' 1038 991 4.94      
15 A' 976 932 10.21      
16 A' 908 867 4.90      
17 A' 736 703 12.30      
18 A' 597 570 4.72      
19 A' 497 475 13.64      
20 A' 432 412 11.44      
21 A" 3075 2936 0.01      
22 A" 1253 1196 3.80      
23 A" 1045 998 5.01      
24 A" 1026 980 1.61      
25 A" 891 851 0.30      
26 A" 804 768 36.86      
27 A" 571 546 18.28      
28 A" 462 441 16.43      
29 A" 287 274 0.28      
30 A" 80 77 5.08      

Unscaled Zero Point Vibrational Energy (zpe) 20231.2 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 19318.8 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
0.17736 0.09131 0.06095

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 1.320 -1.018 0.000
C2 1.251 0.269 0.000
C3 0.000 1.062 0.000
C4 -1.287 0.254 0.000
C5 -1.100 -1.230 0.000
C6 0.118 -1.777 0.000
O7 0.021 2.297 0.000
H8 2.166 0.855 0.000
H9 -1.879 0.562 0.874
H10 -1.985 -1.855 0.000
H11 0.269 -2.847 0.000
H12 -1.879 0.562 -0.874

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.28812.46382.90092.42931.42163.56042.05513.67333.41002.10963.6733
C21.28811.48202.53842.78802.33842.37261.08653.26313.87113.26663.2631
C32.46381.48201.51962.54222.84191.23472.17582.13163.52853.91862.1316
C42.90092.53841.51961.49562.47002.42543.50481.09982.22143.46971.0998
C52.42932.78802.54221.49561.33553.70033.87452.14051.08392.11892.1405
C61.42162.33842.84192.47001.33554.07523.33493.19752.10531.08053.1975
O73.56042.37261.23472.42543.70034.07522.58462.71694.61085.14992.7169
H82.05511.08652.17583.50483.87453.33492.58464.14834.95754.15974.1483
H93.67333.26312.13161.09982.14053.19752.71694.14832.57224.12311.7489
H103.41003.87113.52852.22141.08392.10534.61084.95752.57222.46352.5722
H112.10963.26663.91863.46972.11891.08055.14994.15974.12312.46354.1231
H123.67333.26312.13161.09982.14053.19752.71694.14831.74892.57224.1231

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 125.449 N1 C2 H8 119.624
N1 C6 C5 123.521 N1 C6 H11 114.252
C2 N1 C6 119.221 C2 C3 C4 115.483
C2 C3 O7 121.426 C3 C2 H8 114.927
C3 C4 C5 114.940 C3 C4 H9 107.859
C3 C4 H12 107.859 C4 C3 O7 123.091
C4 C5 C6 121.385 C4 C5 H10 118.014
C5 C4 H9 110.188 C5 C4 H12 110.188
C5 C6 H11 122.226 C6 C5 H10 120.601
H9 C4 H12 105.331
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 -0.505      
2 C 0.052      
3 C 0.387      
4 C -0.557      
5 C -0.203      
6 C -0.016      
7 O -0.456      
8 H 0.256      
9 H 0.284      
10 H 0.230      
11 H 0.242      
12 H 0.284      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.384 -1.771 0.000 2.970
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.121 3.336 0.000
y 3.336 -45.354 0.000
z 0.000 0.000 -40.409
Traceless
 xyz
x 4.761 3.336 0.000
y 3.336 -6.089 0.000
z 0.000 0.000 1.328
Polar
3z2-r22.656
x2-y27.233
xy3.336
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.900 0.685 0.000
y 0.685 10.343 0.000
z 0.000 0.000 3.534


<r2> (average value of r2) Å2
<r2> 179.944
(<r2>)1/2 13.414