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All results from a given calculation for C5H5NO (2(3H)-Pyridinone)

using model chemistry: LSDA/3-21G

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/3-21G
 hartrees
Energy at 0K-319.940645
Energy at 298.15K-319.946923
Nuclear repulsion energy273.076239
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/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 3156 3104 3.20      
2 A 3117 3066 1.01      
3 A 3049 2999 25.21      
4 A 3048 2998 6.74      
5 A 2929 2881 2.73      
6 A 1745 1716 129.25      
7 A 1664 1637 46.37      
8 A 1540 1515 93.44      
9 A 1400 1377 30.16      
10 A 1395 1372 21.61      
11 A 1380 1357 18.33      
12 A 1281 1260 12.39      
13 A 1191 1172 14.51      
14 A 1167 1148 5.39      
15 A 1111 1093 44.59      
16 A 1008 992 2.65      
17 A 992 976 6.03      
18 A 980 964 1.69      
19 A 963 947 19.00      
20 A 942 926 29.04      
21 A 905 891 5.91      
22 A 767 754 1.88      
23 A 700 688 72.51      
24 A 621 611 1.98      
25 A 575 566 0.26      
26 A 520 512 0.60      
27 A 450 442 3.20      
28 A 423 416 5.38      
29 A 270 266 3.48      
30 A 92 90 2.80      

Unscaled Zero Point Vibrational Energy (zpe) 19690.2 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 19367.3 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 LSDA/3-21G
ABC
0.17537 0.09443 0.06426

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.341 -1.257 0.218
C2 1.044 -0.046 0.026
C3 0.267 1.229 0.283
C4 -1.169 1.137 -0.096
C5 -1.745 -0.071 -0.223
C6 -0.948 -1.247 0.062
O7 2.227 -0.049 -0.309
H8 0.795 2.054 -0.227
H9 -1.737 2.064 -0.227
H10 -2.803 -0.190 -0.471
H11 -1.480 -2.203 0.184
H12 0.328 1.453 1.375

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.41342.48732.84722.43981.29792.30103.37173.94283.39052.05202.9458
C21.41341.51462.51252.80102.32641.22922.13023.50053.88193.32382.1393
C32.48731.51461.48852.44892.76662.41281.10452.23063.46533.85171.1160
C42.84722.51251.48851.34432.39913.60312.17201.09562.13783.36512.1221
C52.43982.80102.44891.34431.44933.97323.31252.13571.09262.18593.0287
C61.29792.32642.76662.39911.44933.41343.74443.41652.20071.10043.2614
O72.30101.22922.41283.60313.97323.41342.54554.49265.03414.31532.9489
H83.37172.13021.10452.17203.31253.74442.54552.53214.24784.84411.7731
H93.94283.50052.23061.09562.13573.41654.49262.53212.50594.29432.6835
H103.39053.88193.46532.13781.09262.20075.03414.24782.50592.49563.9884
H112.05203.32383.85173.36512.18591.10044.31534.84414.29432.49564.2481
H122.94582.13931.11602.12213.02873.26142.94891.77312.68353.98844.2481

picture of 2(3H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 116.269 N1 C2 O7 120.931
N1 C6 C5 125.183 N1 C6 H11 117.416
C2 N1 C6 118.126 C2 C3 C4 113.572
C2 C3 H8 107.817 C2 C3 H12 107.861
C3 C2 O7 122.791 C3 C4 C5 119.562
C3 C4 H9 118.562 C4 C3 H8 112.951
C4 C3 H12 108.284 C4 C5 C6 118.317
C4 C5 H10 122.292 C5 C4 H9 121.834
C5 C6 H11 117.379 C6 C5 H10 119.278
H8 C3 H12 105.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.448      
2 C 0.502      
3 C -0.600      
4 C -0.140      
5 C -0.235      
6 C 0.030      
7 O -0.375      
8 H 0.275      
9 H 0.236      
10 H 0.221      
11 H 0.241      
12 H 0.292      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.046 2.357 0.544 4.714
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.091 3.059 1.882
y 3.059 -37.544 0.898
z 1.882 0.898 -40.443
Traceless
 xyz
x -4.098 3.059 1.882
y 3.059 4.223 0.898
z 1.882 0.898 -0.125
Polar
3z2-r2-0.251
x2-y2-5.547
xy3.059
xz1.882
yz0.898


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.396 0.596 0.188
y 0.596 8.958 0.000
z 0.188 0.000 3.911


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