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All results from a given calculation for C5H5NO (2(1H)-Pyridinone)

using model chemistry: LSDA/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-321.666962
Energy at 298.15K-321.673674
Nuclear repulsion energy274.350939
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 LSDA/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' 3510 3439 52.18      
2 A' 3196 3131 2.14      
3 A' 3184 3120 0.95      
4 A' 3168 3103 1.14      
5 A' 3139 3076 9.16      
6 A' 1739 1704 361.95      
7 A' 1654 1620 80.87      
8 A' 1592 1559 28.87      
9 A' 1484 1454 0.78      
10 A' 1436 1407 0.91      
11 A' 1376 1348 1.10      
12 A' 1283 1257 15.72      
13 A' 1215 1190 8.47      
14 A' 1158 1134 7.41      
15 A' 1104 1082 23.15      
16 A' 1033 1013 3.65      
17 A' 997 977 8.94      
18 A' 830 813 2.50      
19 A' 621 609 0.58      
20 A' 546 534 5.51      
21 A' 442 433 7.78      
22 A" 999 979 0.09      
23 A" 935 916 1.37      
24 A" 862 845 45.27      
25 A" 804 787 66.48      
26 A" 759 744 38.17      
27 A" 714 700 45.15      
28 A" 500 490 39.94      
29 A" 397 389 0.21      
30 A" 182 178 3.40      

Unscaled Zero Point Vibrational Energy (zpe) 20429.6 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 20014.8 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 LSDA/6-31G
ABC
0.18906 0.09224 0.06200

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.139 0.226 0.000
C2 0.000 1.057 0.000
C3 1.237 0.327 0.000
C4 1.269 -1.042 0.000
C5 0.072 -1.803 0.000
C6 -1.121 -1.134 0.000
O7 -0.140 2.301 0.000
H8 2.148 0.930 0.000
H9 2.233 -1.562 0.000
H10 0.091 -2.893 0.000
H11 -2.090 -1.640 0.000
H12 -2.023 0.743 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.41032.37892.72142.36251.35992.30333.36223.81673.35322.09401.0233
C21.41031.43642.45232.86042.46121.25212.15183.44163.95133.41192.0469
C32.37891.43641.36942.42802.77462.40701.09232.13573.41853.86533.2863
C42.72142.45231.36941.41852.39183.62772.15921.09542.19433.41143.7439
C52.36252.86042.42801.41851.36754.10923.43222.17421.09092.16753.2961
C61.35992.46122.77462.39181.36753.57243.86653.38102.13671.09282.0818
O72.30331.25212.40703.62774.10923.57242.66764.53395.19964.39702.4438
H83.36222.15181.09232.15923.43223.86652.66762.49404.34184.95654.1749
H93.81673.44162.13571.09542.17423.38104.53392.49402.52134.32304.8393
H103.35323.95133.41852.19431.09092.13675.19964.34182.52132.51544.2058
H112.09403.41193.86533.41142.16751.09284.39704.95654.32302.51542.3836
H121.02332.04693.28633.74393.29612.08182.44384.17494.83934.20582.3836

picture of 2(1H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 113.367 N1 C2 O7 119.673
N1 C6 C5 120.036 N1 C6 H11 116.823
C2 N1 C6 125.342 C2 N1 H12 113.558
C2 C3 C4 121.841 C2 C3 H8 115.970
C3 C2 O7 126.960 C3 C4 C5 121.125
C3 C4 H9 119.693 C4 C3 H8 122.188
C4 C5 C6 118.289 C4 C5 H10 121.413
C5 C4 H9 119.182 C5 C6 H11 123.141
C6 N1 H12 121.100 C6 C5 H10 120.298
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.646      
2 C 0.389      
3 C -0.162      
4 C -0.131      
5 C -0.181      
6 C 0.089      
7 O -0.418      
8 H 0.176      
9 H 0.168      
10 H 0.168      
11 H 0.194      
12 H 0.354      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.301 -4.261 0.000 4.455
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.492 0.184 0.000
y 0.184 -46.689 0.000
z 0.000 0.000 -42.557
Traceless
 xyz
x 14.131 0.184 0.000
y 0.184 -10.165 0.000
z 0.000 0.000 -3.966
Polar
3z2-r2-7.932
x2-y216.198
xy0.184
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.841 0.015 0.000
y 0.015 12.148 0.000
z 0.000 0.000 3.001


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000