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All results from a given calculation for C5H5NO (4(1H)-Pryidinone)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-321.719963
Energy at 298.15K-321.726728
Nuclear repulsion energy272.360355
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 B3LYP/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' 3577 3452 89.21      
2 A' 3247 3133 0.20      
3 A' 3244 3130 7.56      
4 A' 3217 3104 5.66      
5 A' 3215 3102 5.59      
6 A' 1716 1655 302.84      
7 A' 1658 1600 11.12      
8 A' 1644 1587 11.63      
9 A' 1509 1456 92.17      
10 A' 1456 1405 0.32      
11 A' 1433 1382 1.42      
12 A' 1290 1245 5.84      
13 A' 1253 1209 10.23      
14 A' 1244 1200 11.49      
15 A' 1057 1020 4.41      
16 A' 1040 1004 9.31      
17 A' 1002 967 37.35      
18 A' 802 773 2.81      
19 A' 638 616 1.64      
20 A' 538 519 7.18      
21 A' 445 429 4.01      
22 A" 1042 1006 7.80      
23 A" 1034 998 0.00      
24 A" 912 880 67.43      
25 A" 841 811 0.00      
26 A" 766 739 4.22      
27 A" 597 576 141.01      
28 A" 494 476 38.72      
29 A" 441 426 0.00      
30 A" 182 175 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 20765.9 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 20037.0 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 B3LYP/3-21G
ABC
0.19023 0.08860 0.06045

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.745 0.000 0.000
C2 1.051 -1.196 0.000
C3 -0.301 -1.224 0.000
C4 -1.117 0.000 0.000
C5 -0.301 1.224 0.000
C6 1.051 1.196 0.000
O7 -2.367 0.000 0.000
H8 1.656 -2.094 0.000
H9 -0.822 -2.171 0.000
H10 -0.822 2.171 0.000
H11 1.656 2.094 0.000
H12 2.758 0.000 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.38232.38412.86202.38411.38234.11142.09603.36213.36212.09601.0131
C21.38231.35302.47652.77222.39173.62121.08262.11233.85333.34502.0837
C32.38411.35301.47102.44782.77222.40082.14171.08123.43503.85213.2948
C42.86202.47651.47101.47102.47651.24943.47492.19132.19133.47493.8751
C52.38412.77222.44781.47101.35302.40083.85213.43501.08122.14173.2948
C61.38232.39172.77222.47651.35303.62123.34503.85332.11231.08262.0837
O74.11143.62122.40081.24942.40083.62124.53492.66472.66474.53495.1245
H82.09601.08262.14173.47493.85213.34504.53492.47914.93294.18822.3664
H93.36212.11231.08122.19133.43503.85332.66472.47914.34284.93294.1869
H103.36213.85333.43502.19131.08122.11232.66474.93294.34282.47914.1869
H112.09603.34503.85213.47492.14171.08264.53494.18824.93292.47912.3664
H121.01312.08373.29483.87513.29482.08375.12452.36644.18694.18692.3664

picture of 4(1H)-Pryidinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 121.293 N1 C2 H8 115.964
N1 C6 C5 121.293 N1 C6 H11 115.964
C2 N1 C6 119.793 C2 N1 H12 120.103
C2 C3 C4 122.503 C2 C3 H9 119.988
C3 C2 H8 122.743 C3 C4 C5 112.616
C3 C4 O7 123.692 C4 C3 H9 117.510
C4 C5 C6 122.503 C4 C5 H10 117.510
C5 C4 O7 123.692 C5 C6 H11 122.743
C6 N1 H12 120.103 C6 C5 H10 119.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.747      
2 C 0.118      
3 C -0.273      
4 C 0.391      
5 C -0.273      
6 C 0.118      
7 O -0.527      
8 H 0.226      
9 H 0.204      
10 H 0.204      
11 H 0.226      
12 H 0.333      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.494 0.000 0.000 6.494
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.157 0.000 0.000
y 0.000 -33.998 0.000
z 0.000 0.000 -42.988
Traceless
 xyz
x -1.664 0.000 0.000
y 0.000 7.575 0.000
z 0.000 0.000 -5.910
Polar
3z2-r2-11.820
x2-y2-6.159
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.619 0.000 0.000
y 0.000 8.599 0.000
z 0.000 0.000 2.406


<r2> (average value of r2) Å2
<r2> 180.127
(<r2>)1/2 13.421